Problems using Servlet with 4.1.29, Apache 2.0.40 and https
Hello, I'm trying to get a servlet called rreport running with the Software shown above. Everything is working well as long as I use the http-address (everything is redirect via apache) to call rreport. I can also run the tomcat-examples via https so I think that redirecting via Apache isn't the problem. I presume that the object not found-message I get calling rreport via https results from a missing entry in the tomcat-configs but I don't know where to start searching for it. Help would be appreciated :-) Greetings Lutz Maibach - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: bug in redirect to https
Antonio Fiol Bonnín wrote: Could you please post your connector config? Here it is: Connector port=80 maxThreads=150 minSpareThreads=25 maxSpareThreads=75 enableLookups=false redirectPort=443 acceptCount=100 debug=0 connectionTimeout=2 disableUploadTimeout=true / Connector port=443 maxThreads=150 minSpareThreads=25 maxSpareThreads=75 enableLookups=false disableUploadTimeout=true acceptCount=100 debug=9 scheme=https secure=true keystoreFile=E:\jakarta-tomcat-5.0.18\conf\keystore.ImportKey keystorePass=asdf clientAuth=false sslProtocol=TLS / The filetypes *.gif, *.jpg, *.html are always displayed correctly from IE 5.5 and 6.0, no matter which version of tomcat or operating system I tested. -- Regards Bernhard Wraase - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat on Solaris (Sparc)
Hi, We have an application on the application server : iplanet. The server is a sparc with Solaris 8. We would like to know if we could migrate the appplication : - on the same server - Tomcat/Apache/mod_jk = Which version ? - Tomcat 4.1 ? - Apache 2.0 or 1.3 ? - mod_jk 1 or mod_jk 2 ? - Which JVM is best on Solaris ? On intel i386, we prefer to use the JRockit JVM. But on Sparc/Solaris ? Which one is best ? Sun JVM ? Thanks a lot - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: source code exposure
Any information about using mod_jk? Where to download the bin mod_jk for tomcat 4.1.29 and apache 2.0.48? But I wonder why it will have such bug. Bill Barker wrote: unplug [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] As you can see, the jsp only contains a line of code %= new java.util.Date() %. I haven't set the content type in the jsp and it can be run at http://company.com/examples/test.jsp. However source code exposure at http://company.com//examples/test.jsp. I wonder why the / will cause source code exposure. Is it a bug or configuration missing of tomcat? Anyone can help to stop source code exposure. From a quick glance at the code, it looks like it is a bug. Use mod_jk instead of mod_jk2. mod_jk doesn't have this problem. Thanks, unplug jerome moliere wrote: unplug wrote: HI all, I am using Fedora Core 1 with tomcat 4.1.29, apache 2.0.48 and mod_jk2. I have created a simple jsp (code listed below) and put it under $CATALINA_HOME/webapps/examples. code: file name: test.jsp %= new java.util.Date() % It can be accessed in the browser using the following link http://company.com/examples/test.jsp However, its source code will be exposed when I type the following. http://company.com//examples/test.jsp How can I configure it to prevent such exposure? Anyone can give me an advise. I guess taht your JSP doesn't specify the content for the response so the browser doesn't layout the HTML but show the code source instead... So try to fix the content type in your response to text/html HTH Jerome - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Good practice for classloaders
Hi
I am writing an application in which I use classloaders to load different
groups of plugins.
Basically what I am doing is:
protected Class findClass( String className )
throws ClassNotFoundException
{
if ( className.startsWith( com.companyname. ) )
return getClass().getClassLoader().loadClass( className );
byte classData[] = getTypeFromBasePath( className );
if ( classData == null )
throw new ClassNotFoundException();
return defineClass( className, classData, 0, classData.length );
}
private byte[] getTypeFromBasePath( String typeName )
{
return Utils.readFile( classPath + typeName.replace( '.',
File.separatorChar ) + .class );
}
Now, I have problems an obvious problem with jar-files. [I have already
posted this before.]
[Actually I do not understand this problem, since it worked well with
tomcat4.0.6, but thats another problem. Still any hints are wellcome...]
What I would like to do is get rid of the getTypeFromBasePath-method. I
would prefer to let the parent classloader do this part and only do the
defineClass myself.
What I am doing right now seems to be bad practice event to me. But what
would be good practice?
The once thing I want to archive is that I want to load these classes with
different classloaders to be able to reload them during the lifetime of my
application.
Can anyone give me any hint?
Thanks,
Steffen
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Re: bug in redirect to https
See http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27122. This seems to me as a different bug. Martin says that this problem is only on solaris present. In my case these Url works with IE 5.5 and 6.0 correctly: http://servername/sec-test/a.pdf http://servername/sec-test/b.zip https://servername/sec-test/a.pdf https://servername/sec-test/b.zip When I activate this in web.xml: security-constraint web-resource-collection web-resource-nameThe Entire Web App/web-resource-name url-pattern/*/url-pattern /web-resource-collection user-data-constraint transport-guaranteeCONFIDENTIAL/transport-guarantee /user-data-constraint /security-constraint then the problem arise. I started for every request the IE new. When I remove this security constraint, the buggy behavior diappear. Again, the same webapp runs with tomcat 4.02, 4.04, 4.1.30 and this security constraint(redirect) without any problem. The operating system that I tested was solaris, linuy and W2000. They had no influence to the problem. It seems to be the redirect from http to https which causes the issue. -- Regards Bernhard Wraase - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat exception - Please help
Hi, I have recently started using ant in netbeans. I got most of my info from the following tutorial: http://www.netbeans.org/kb/articles/ant-webapps.html#customProject For some unknown reason, I am not able to deploy my application. I get the following error: 2004-02-27 10:45:42 WebappLoader[]: Deploying class repositories to work directory /root/.netbeans/3.5/tomcat406_base/work/Tomcat-Internal/localhost/_ 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/commons-fileupload-1.0.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/commons-fileupload-1.0.j ar 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/log4j-1.2.8.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/log4j-1.2.8.jar 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/ojdbc14.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/ojdbc14.jar 2004-02-27 10:45:42 StandardManager[]: Seeding random number generator class java.security.SecureRandom 2004-02-27 10:45:42 StandardManager[]: Seeding of random number generator has been completed 2004-02-27 10:45:42 ContextConfig[]: Added certificates - request attribute Valve 2004-02-27 10:45:43 StandardWrapper[:default]: Loading container servlet default 2004-02-27 10:45:45 ApplicationDispatcher[] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException at org.apache.jsp.err$jsp._jspService(err$jsp.java:77) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWrapper .service(IDEJspServlet.java:173) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.serviceJspFile(ID EJspServlet.java:246) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.service(IDEJspSer vlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher. java:683) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch er.java:431) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher .java:355) at org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve. java:391) at org.apache.catalina.valves.ErrorDispatcherValve.status(ErrorDispatcherValve. java:305) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:180) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java :174) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java: 1027) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1125 ) at java.lang.Thread.run(Thread.java:534) 2004-02-27 10:46:25 ApplicationDispatcher[] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException at org.apache.jsp.err$jsp._jspService(err$jsp.java:77) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWrapper .service(IDEJspServlet.java:173) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.serviceJspFile(ID EJspServlet.java:246) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.service(IDEJspSer vlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher. java:683) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch er.java:431) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher .java:355) at org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve. java:391) at
Re: Limit size of catalina.out ?
Nope. There are no size based limitations on files bundled. -Tim Philippe Couas wrote: Hi, Can i limit disk size of catalina.out file in Tomcat 4.1.30 ? - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Updating shared libs without reloading tomcat
hello ! We have developed several applications under tomcat 5. all of these applications use a lib we made, so we put it in shared/lib Is it possible to update this library without a tomcat reload ? (a context reload would be ok, but restarting tomcat would be a problem :/...) thanks for advice ! - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat and SSL: problem with expiration of VeriSign Global Server ID Intermediate Root
Hi Yan, Now that the VeriSign Global Server ID Intermediate Root cert has expired I have to replace the Intermediate Root cert on the server. There is an example on how to replace the cert on an apache server on their website (and that works fine), but no instructions how to replace it on an standalone tomcat server. Hi, what i did for my local machine(TOMCAT-STANDALONE) was regenerate the certificate with a new date and everything worked fine. it's supposed to be easy. It IS easy when you're using a self-signed cert, but I have to use one from VeriSign and I don't think that I can regenerate the VeriSign cert with a new date :-) JB - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat and commons logging
Can someone just PLEASE post a simple straight forward example of how to configure a Tomcat system (4.1.x) for once and for all without getting that damn No logger for class xxx exception. *sigh* I want no loggers defined for 3rd party packages (eg the host of jars required for struts 1.1). Well, default loggers that maybe just do nothing would be fine. Where how do I set this? __ Do you Yahoo!? Get better spam protection with Yahoo! Mail. http://antispam.yahoo.com/tools - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
JSP forwarding outside of Context
I supervise development of a web-app, currently deployed on Jrun, but I also want to deploy it on other appservers, among those tomcat. I want to distribute the app as a .war file (which we do), but with JSPs outside the .war file. This because we want to be able to do fixes, and not least to add JSPs (according to that being made possible by the servlet we direct all requsts to, but that's a long story), without having to redeploy the entire .war file. Thing is, since we reside on the context root /, anything below the context root is in the .war file. JRun4 supports the concept of virtual mapping, by which means resources within the context may be mapped to a different physical location, e.g. virtual-mapping resource-path/pages/resource-path system-path/wherever/on/the/harddisk/pages/system-path /virtual-mapping This maps the context relative path of /pages to the physical location in system-path. This allows for relocation of resources to outside of a .war file distribution. If I have managed to make myself clear here, is there any way I could do something similar in tomcat? TIA, Roar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Deploying to ROOT problem
Hi Justin
I've tried what you suggest and it works great for me too. Thank you for
your help.
If I browse to /manager I do get the directory listing but if I browse
to /manager/list for example the manager application works fine. I've
seen this same directory listing before. I'm going to try a new tomcat
install and try again.
Thanks you for your reply; I'm still playing with this and I'll let you
know if I make any further progress.
Andrew
Justin Johnson wrote:
I just did the same thing, though with more success. In build.xml, I set
app.path to /, and app.name to ROOT, then adjusted the deploy task to
your first try. On deployment, ROOT.war is copied to [tomcat]/webapps and
expanded into ROOT (I changed the target depends to dist from compile).
Everything's there, and it browses normally.
However, now the manager app doesn't work, instead simply showing the
directory listing for server/webapps/manager. Admin still works correctly.
Any idea?
Justin
-Original Message-
From: Andrew Watters [mailto:[EMAIL PROTECTED]
Sent: Thursday, February 26, 2004 7:03 AM
To: Tomcat Users List
Subject: Deploying to ROOT problem
I'm using the deployer via an ant task to deploy my application. I am
using deployer 5.0.18 on windows and deploying to tomcat 5.0.18 on both
windows and linux. The following works fine
deploy url=${server.url}/manager
username=${deployer.username}
password=${deployer.password}
path=/${web.app}
war=${dist}/${web.app}.war
update=true /
I also need to deploy to root. I have tried both
deploy url=${server.url}/manager
username=${deployer.username}
password=${deployer.password}
path=/
war=${dist}/${web.app}.war
update=true /
and
deploy url=${server.url}/manager
username=${deployer.username}
password=${deployer.password}
path=/ROOT
war=${dist}/${web.app}.war
update=true /
The first option completes successfully but I can see no evidence of my
application being unpacked; browsing to '/' doesn't show my application.
The second option also completes successfully and this time I see the
application unpacked under webapps/ROOT; browsing to '/' doesn't help
but browsing to '/ROOT/' shows that my appplication is there.
Does anybody know how to deploy to root using the deployer please? Any
help or advice would be greatly appreciated.
Andrew
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RE: Number Format
Howdy, double d = 12345.00; DecimalFormat df = new DecimalFormat(0); String s = df.format(d); Yoav Shapira Millennium ChemInformatics -Original Message- From: Cui Xiaojing-a13339 [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 1:38 AM To: 'Tomcat Users List' Subject: Number Format Hello All, I need to format number 12345.00 to 12345, I use below code to do the format, but the result is 12,345. Could please give some advice about how to delete the separator. Thanks a lot. NumberFormat nf= NumberFormat.getInstance(); nf.setMaximumFractionDigits(0); nf.setMinimumFractionDigits(0); ((DecimalFormat)nf).setDecimalSeparatorAlwaysShown(false); Regards, Xiaojing - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: can't get tomcat 5 to work
Howdy, What I really want is more error messages, so I can figure out what is going wrong with my webapps. - Take out all the elements from your Context tag e.g. the FileDirContext, and add the attribute debug=99. - Set debug=99 for the Host, Engine. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: log comming big after....
Howdy, sorry for my newbiness again but iam on windows and awser that i see on google are for linux:S cron is a unix command, though you can probably simulate it on windows with a number of tools like cygwin or 12ghosts. But it's not the best approach here. Instead, change the code that produces messages every second to only log errors/warnings. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat exception - Please help
Howdy, It's probably due to a problem with your IDEs JSP classpath. I'm not very familiar with NetBeans, so I can't help much there, except the obvious question: what happens when you run the code outside an IDE? Yoav Shapira Millennium ChemInformatics -Original Message- From: Rudi Doku [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:31 AM To: [EMAIL PROTECTED] Subject: Tomcat exception - Please help Hi, I have recently started using ant in netbeans. I got most of my info from the following tutorial: http://www.netbeans.org/kb/articles/ant-webapps.html#customProject For some unknown reason, I am not able to deploy my application. I get the following error: 2004-02-27 10:45:42 WebappLoader[]: Deploying class repositories to work directory /root/.netbeans/3.5/tomcat406_base/work/Tomcat-Internal/localhost/_ 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/commons-fileupload-1.0.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/commons-fileupload- 1.0.j ar 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/log4j-1.2.8.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/log4j-1.2.8.jar 2004-02-27 10:45:42 WebappLoader[]: Deploy JAR /WEB-INF/lib/ojdbc14.jar to /home/rdoku/projects/mosadminproj/build/WEB-INF/lib/ojdbc14.jar 2004-02-27 10:45:42 StandardManager[]: Seeding random number generator class java.security.SecureRandom 2004-02-27 10:45:42 StandardManager[]: Seeding of random number generator has been completed 2004-02-27 10:45:42 ContextConfig[]: Added certificates - request attribute Valve 2004-02-27 10:45:43 StandardWrapper[:default]: Loading container servlet default 2004-02-27 10:45:45 ApplicationDispatcher[] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException at org.apache.jsp.err$jsp._jspService(err$jsp.java:77) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWr appe r .service(IDEJspServlet.java:173) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.serviceJspFi le(I D EJspServlet.java:246) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.service(IDEJ spSe r vlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispat cher . java:683) at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDis patc h er.java:431) at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispa tche r .java:355) at org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherV alve . java:391) at org.apache.catalina.valves.ErrorDispatcherValve.status(ErrorDispatcherV alve . java:305) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherV alve . java:180) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.j ava: 5 64) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jav a:17 0 ) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.j ava: 5 64) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:46 8) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.j ava: 5 64) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve .jav a :174) at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.j ava: 5 66) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java: 472) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943) at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor. java : 1027) at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java :112 5 ) at java.lang.Thread.run(Thread.java:534) 2004-02-27 10:46:25 ApplicationDispatcher[] Servlet.service() for servlet jsp threw exception java.lang.NullPointerException at org.apache.jsp.err$jsp._jspService(err$jsp.java:77) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet$JspServletWr appe r .service(IDEJspServlet.java:173) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.serviceJspFi le(I D EJspServlet.java:246) at org.netbeans.modules.tomcat.tomcat40.runtime.IDEJspServlet.service(IDEJ spSe r vlet.java:339) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
%@ include file= outside of current context
I am trying to refer to a different context from within another context via an [EMAIL PROTECTED] file=/media/javascripts/common.jsp % directive. What i get is a : JasperException : /newdnr/standard/header.jsp(57,0) File /media/javascripts/common.jsp not found my contexts are : Context path= docBase=/www/dnr debug=0 reloadable=true crossContext=true/ Context path=/media/ docBase=/www/DNR_Media debug=0 reloadable=true crossContext=true/ The file /newdnr/standard/header.jsp is in the root context, but the include /media/javascripts/common.jsp is in the media context. Nothing I do seems to make one see the other. There is not a problem when calling them from my web browser (I am using the JK2 connector) using html, just referring to them internally in the jsp. Is this what the ServletContext.getContext(java.lang.String UriPath) function helps you achieve? If so has anybody used it? I know I could rearrange my file and context system to make it work, but I am porting an application from JRun, and am trying to emulate JRun's behaviour as best I can. I have looked in the Tomcat docs, and gone through archives and found a few people with the same problem, but no solutions. Thought I'd throw it out there before I attempt to modify the tomcat source code. Regards Konrad Steinmuller signature.asc Description: This is a digitally signed message part
RE: Tomcat on Solaris (Sparc)
Howdy, We would like to know if we could migrate the appplication : - on the same server - Tomcat/Apache/mod_jk = Which version ? - Tomcat 4.1 ? - Apache 2.0 or 1.3 ? - mod_jk 1 or mod_jk 2 ? - Which JVM is best on Solaris ? On intel i386, we prefer to use the JRockit JVM. But on Sparc/Solaris ? Which one is best ? Sun JVM ? We've been doing great with the Sun JVM (1.4.2) on Solaris 8. Rock solid stability and good performance including under heavy load. JRockit wasn't as stable so we haven't retested it in a while. We don't use Apache in front of tomcat, and thus no connectors, so I can't comment on that aspect. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Updating shared libs without reloading tomcat
Howdy, We have developed several applications under tomcat 5. all of these applications use a lib we made, so we put it in shared/lib Is it possible to update this library without a tomcat reload ? (a context reload would be ok, but restarting tomcat would be a problem :/...) No, it's not possible, and this is yet another good reason to put your lib in the WEB-INF/lib directory (a copy for each webapp - disk space is cheap) rather than in a shared location. Unless the apps actually share objects at runtime? Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: %@ include file= outside of current context
You can't compile time include a file outside your context. -Tim Konrad Steinmuller wrote: I am trying to refer to a different context from within another context via an [EMAIL PROTECTED] file=/media/javascripts/common.jsp % directive. What i get is a : JasperException : /newdnr/standard/header.jsp(57,0) File /media/javascripts/common.jsp not found my contexts are : Context path= docBase=/www/dnr debug=0 reloadable=true crossContext=true/ Context path=/media/ docBase=/www/DNR_Media debug=0 reloadable=true crossContext=true/ The file /newdnr/standard/header.jsp is in the root context, but the include /media/javascripts/common.jsp is in the media context. Nothing I do seems to make one see the other. There is not a problem when calling them from my web browser (I am using the JK2 connector) using html, just referring to them internally in the jsp. Is this what the ServletContext.getContext(java.lang.String UriPath) function helps you achieve? If so has anybody used it? I know I could rearrange my file and context system to make it work, but I am porting an application from JRun, and am trying to emulate JRun's behaviour as best I can. I have looked in the Tomcat docs, and gone through archives and found a few people with the same problem, but no solutions. Thought I'd throw it out there before I attempt to modify the tomcat source code. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Help please
Yoav, Could I please be removed from this list. Two of my attempts to do so failed yesterday, perhaps you can help. Regards, Santosh - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Keytore and Veriisgn certificates
I have been wrestling with getting a CA certificate into my keystore file. I Keep getting an error message of Public Keys in reply and keystore don't match. The steps are pretty simple. I've rtfm and stfw. But I can't find an explanation for this error. step 1) create the csr step 2) sent if off to verisign step 3) get CA certificate back, get a copy of the intermediate/trusted root/chain certificate step 4) load intermediate into Keystore step 5) load CA into Keystore. step 5 is where the process fails. Am I leaving out a step? or ? any ideas would be helpful Thanks ahead of time Henry R Faust EDI Analyst Ozburn-Hessey Logistics W: (615) 524-3648 C: (615) 300-0352 IM: HenryFaust
Process Died | Production
Hi all, We have the following version being currently used in production: - jdk1.4.2 - Tomcat 3.3 - Apache 1.3.27 - Solaris 8 (4 Cpu's, 4 GB Ram, 4GB Swap) - Oracle 8 - 4 Machines running 3 tomcats each (12 Tomcats in all) Problem: A tomcat process died on our production dumping a core file of size 1Gb. The reasons are not known as what caused the same. We have specified the following setting for the JVM: 256K (min size) 778K (max size) I would like to know, what happens when the JVM reaches the max heap size? Does it continue to run, I mean is there a point after which it cannot sustain any longer as it has no space allocated to do so ? When does it dump the core file, after encountering the some signal I would also like to know if anyone in the list havent restarted their tomcats for months and are running their application smoothly (more importantly the JVM is kept alive for months). It would also help if anyone can point to some useful resource which exaclty point to this problem / question. Moreover, anything else one should look for apart from code leaks in this case to sustain the Jvm for longer duration ? Thanks in Advance, Arnab C
RE: unknown jar file in Tomcat
At 6:49 PM + 2/26/04, [EMAIL PROTECTED] wrote: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: RE: unknown jar file in Tomcat Date: Thu, 26 Feb 2004 12:12:49 -0500 Message-ID: [EMAIL PROTECTED] From: Shapira, Yoav [EMAIL PROTECTED] To: Tomcat Users List [EMAIL PROTECTED] Howdy, There files are not part of tomcat. My guess is that someone is (possibly illegally) trying to get around tomcat's JDK requirement by including the JDK's tools.jar file with his/her webapp distribution. If my guess is right, the 1.3.1 and 1.4.1 version numbers correspond to JDK version numbers. If you have a JDK (as opposed to a JRE), you don't need this file at all. Yoav Shapira Millennium ChemInformatics Yeah, I've got the JDK installed. So, I'll ignore the files for now and see what happens. Thanks Yoav. -- Mark :-) Mark J. Miller, Sr. Instructional Systems Analyst Saginaw Valley State University USA 7400 Bay Rd, University Center, Mi 48710 Wickes 265, 989-964-7102 [EMAIL PROTECTED], www.svsu.edu/its - The man who fights for his ideals is the man who is - alive! - Miguel de Cervantes, author of Don Quixote - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Keytore and Veriisgn certificates
On Fri, Feb 27, 2004 at 09:06:06AM -0600, [EMAIL PROTECTED] wrote: I have been wrestling with getting a CA certificate into my keystore file. I Keep getting an error message of Public Keys in reply and keystore don't match. The steps are pretty simple. I've rtfm and stfw. But I can't find an explanation for this error. step 1) create the csr step 2) sent if off to verisign step 3) get CA certificate back, get a copy of the intermediate/trusted root/chain certificate step 4) load intermediate into Keystore step 5) load CA into Keystore. step 5 is where the process fails. Am I leaving out a step? or ? any ideas would be helpful Have you read http://mark.foster.cc/kb/keytool ?? It would help if you showed the keytool commands you are using at each step as well as the output of keytool -list -v -- Some days it's just not worth chewing through the restraints... Mark D. Foster, CISSP [EMAIL PROTECTED] http://mark.foster.cc/ pgp0.pgp Description: PGP signature
RE: Process Died | Production
Howdy, A tomcat process died on our production dumping a core file of size 1Gb. The reasons are not known as what caused the same. We have specified the following setting for the JVM: 256K (min size) 778K (max size) Are you sure that's K? Assuming you really mean M, how did you arrive at a number like 778? Maybe you mean 768? I would like to know, what happens when the JVM reaches the max heap size? If the JVM cannot allocate any more system memory to heap because -Xmx is reaches, it will try full garbage collections frequently. If those don't reclaim much/any memory, ie the heap is full and referenced, you will get java.lang.OutOfMemoryErrors. You'll be able to see them in logs/catalina.out. However, the JVM won't crash for a long long time even while these are occurring. It'll thrash at a high CPU usage, and you will start getting random NullPointerExceptions throughout your code because referenced variables might be swapped out. But it won't crash with a core dump as you're describing. Does it continue to run, I mean is there a point after which it cannot sustain any longer as it has no space allocated to do so ? When does it dump the core file, after encountering the some signal Internal crashes, not OufOfMemoryErrors, cause core dumps. I would also like to know if anyone in the list havent restarted their tomcats for months and are running their application smoothly (more importantly the JVM is kept alive for months). Yes: we have numerous applications that have been running for more months now, including one that's been running tomcat 4.1.24 since it came out without stopping ;) It would also help if anyone can point to some useful resource which exaclty point to this problem / question. Moreover, anything else one should look for apart from code leaks in this case to sustain the Jvm for longer duration ? Yeah: core dumps frequently indicate a mismatch between the JVM and the OS. Look for missing OS patches or an upgraded JVM. Beyond that, I don't use tomcat 3.x nor an Apache front-end so I can't offer much specific help there. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Help please
Yoav, Could you please remove me from the list? Regards, Santosh - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help please
Howdy, I removed [EMAIL PROTECTED] from this list after your first request. If you're still getting emails, it means you're subscribed from another address. Stop sending these public notices and follow the normal unsubscribe directions, including the part where if it doesn't work, email [EMAIL PROTECTED] (I'll get it on my private account and the thousands of other subscribers don't have to get this thread). Yoav Shapira Millennium ChemInformatics -Original Message- From: Santosh Joshi [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 10:30 AM To: Tomcat Users List Subject: Help please Yoav, Could you please remove me from the list? Regards, Santosh - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat 5 and apache 2.0.48
Hello, Can anyone direct me to a good tutorial about hooking Tomcat 5 to Apache 2.0.48 on windows. Thanks in advance, Julien. PS. I asked this question before but I lost my emails. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Process Died | Production
Hi Shapira, Thanks for the answers. Are you sure that's K? Assuming you really mean M, how did you arrive at a number like 778? Maybe you mean 768? Thats Correct its M and not K. This number is arrived assuming the total process size might never go beyond 1GB. Would it ? (4 gb total mem, 3 tomcats so 3 gb) If the JVM cannot allocate any more system memory to heap because -Xmx is reaches, it will try full garbage collections frequently. If those don't reclaim much/any memory, ie the heap is full and referenced, you will get java.lang.OutOfMemoryErrors. You'll be able to see them in logs/catalina.out. However, the JVM won't crash for a long long time even while these are occurring. It'll thrash at a high CPU usage, and you will start getting random NullPointerExceptions throughout your code because referenced variables might be swapped out. But it won't crash with a core dump as you're describing. You mean there would be frequent page faults but would never crash for the mere reason of out of memory exception. Any pointers or more details on the same please ? I want to research and know more about this ... Internal crashes, not OufOfMemoryErrors, cause core dumps. What is the nature of Internal crashes...have u encountered any and how does one figure it out ? Yeah: core dumps frequently indicate a mismatch between the JVM and the OS. Look for missing OS patches or an upgraded JVM. Beyond that, I don't use tomcat 3.x nor an Apache front-end so I can't offer much specific help there. We have applied the OS patches more specifically the one for J2SE patches for solaris. What I have experienced in my application is that...we have maintenance windows every sunday...meaning once in a week...all tomcats are restarted and they start using the memory from the beginning...In case there are no maintenance windows because of no patches rolling to productionthey are not restarted and each process consumes 1GB by that time at the end of the week and hence time come for them to dump the code...and they dump it but not all one or 2 max. I want to understand these internal crashes and how to prevent them ? Any thought/comments, Arnab C - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Process Died | Production
Howdy, Thats Correct its M and not K. This number is arrived assuming the total process size might never go beyond 1GB. Would it ? (4 gb total mem, 3 tomcats so 3 gb) Only you can answer that, as it depends on your applications and their memory usage. We have several whose size can go over 1GB. You mean there would be frequent page faults but would never crash for the mere reason of out of memory exception. Any pointers or more details on the same please ? I want to research and know more about this ... Nope, no more pointers in my head right now. What is the nature of Internal crashes...have u encountered any and how does one figure it out ? Yeah, I've encountered internal crashes, as I imagine many others on the list have. In my case it was due to missing Solaris OS patches. The hs_err produced by the JVM when it has an internal crash sometimes says things like could not allocate font package xxx which is a hint to a badly installed JDK. Other people on Linux have had internal crashes with the wrong thread library configured, or the wrong kernel version. You can search the archives for all this information. It's more an art than a science to debug these, and that can be frustrating. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Limit size of catalina.out ?
Is there any particular reason why this was never set-up to rotate like the other logs? --- Tim Funk [EMAIL PROTECTED] wrote: Nope. There are no size based limitations on files bundled. -Tim Philippe Couas wrote: Hi, Can i limit disk size of catalina.out file in Tomcat 4.1.30 ? - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] = Norris Shelton Software Engineer Sun Certified Java 1.1 Programmer Appriss, Inc. ICQ# 26487421 AIM NorrisEShelton YIM norrisshelton __ Do you Yahoo!? Get better spam protection with Yahoo! Mail. http://antispam.yahoo.com/tools - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Limit size of catalina.out ?
Howdy, Is there any particular reason why this was never set-up to rotate like the other logs? It's not a catalina Logger, it's just the trap for System.out/System.err. one good way to get it to rotate is to add swallowOutput=true to your Context definition. Of course, patches/enhancements are always welcome as well. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Proxy through apache not working correctly
-Original Message- I am having problems with Apache and Tomcat, I am running Apache with many websites, one needs to use Tomcat. I had the setting as such using Virtual name servers VirtualHost www.mysite.net:80 ServerAdmin [EMAIL PROTECTED] DocumentRoot /usr/local/httpd/htdocs/sites/mysite/ ServerName www.mysite.net ProxyPass / http://mysite.net:8080 ProxyPassReverse / http://mysite.net:8080 /VirtualHost This works to an extent if you connect to www.mysite.net:8080 you get the tomcat home page in full all graphics displaying. if you connect to www.mysite.net you get the tomcat home page but no graphics If you try to ask for the graphic directly you get an error 400 Unrecognised Response from Server... if you change the ProxyPass to /webapps it works fully and serves the images has anyone any idea why? Mike. -BEGIN GEEK CODE BLOCK- Version: 3.12 GCM d- s:+ a C UL P+ L+++ E--- W+++ N+++ o+ K w O-- M- V- PS+ PE+ Y+ PGP t+++ 5+++ X- R+++ tv++ h++ DI D++ G e+ h++ r+++ y+++ --END GEEK CODE BLOCK-- --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat and IIS question
-Original Message- From: Ben Souther [mailto:[EMAIL PROTECTED] Sent: Thursday, February 26, 2004 3:43 PM To: Tomcat Users List Subject: Re: Tomcat and IIS question I imagine that you've got Tomcat and IIS communicating behind a firewall, if not on the same machine. If only IIS is exposed to the internet, why would you need communication between the two to be encrypted? We are producing a medical app. As part of the new HIPAA requirements, we are to take all precautions necessary to ensure that personal health information is securely transmitted electronically. If someone should break through all other security measures, the data will still be encrypted, and we have reduced our liability. Also, If you aren't relying on IIS for encryption, why use it at all? Why not just use Tomcat as a stand alone and install the certificate there? IIS needs to run so that our clients can continue to administer their other apps (which could be ASP) in the same manner as they are used too, without having our app interfere. What we need is roundtrip encryption - yes it will be slow through IIS- but if you have any other ideas for this kind of scenario, please tell me as I am not an sys admin. I am a humble software engineer Are you running ASP apps too? On Thursday 26 February 2004 06:51 pm, you wrote: I believe there is a misunderstanding (I think???)... I already have tomcat talking to IIS, and IIS talking securely with the client. The problem is that IIS decrypts ssl requests to process them. In the case of a servlet request, it forwards the decrypted request to Tomcat and Tomcat sends the response decrypted back to IIS (I think???). I want all requests and responses to be encrypted. How can I have all communication secure??? -Original Message- From: Ben Souther [mailto:[EMAIL PROTECTED] Sent: Thursday, February 26, 2004 2:58 PM To: Tomcat Users List Subject: Re: Tomcat and IIS question http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jk2/jk/iishowto.html On Thursday 26 February 2004 05:19 pm, you wrote: Can I be running IIS and Tomcat concurrently and have specific webapps directed to each for processing. I am assuming that Tomcat will be running as a web server as well as servlet container and that IIS is of course running as a web server. The goal is to elminate the port number from the address window for all requests, to use tomcat/ssl for dynamic webapps, and for other static webapss, have them run through IIS. The general question is--how can I accomplish this goal??? - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Proxy through apache not working correctly
Hi, I put my application context and it works fine. ProxyPass /context http://mysite.net:8080 ProxyPassReverse /context http://mysite.net:8080 -Original Message- From: Michael Forster [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:14 AM To: [EMAIL PROTECTED] Subject: Proxy through apache not working correctly -Original Message- I am having problems with Apache and Tomcat, I am running Apache with many websites, one needs to use Tomcat. I had the setting as such using Virtual name servers VirtualHost www.mysite.net:80 ServerAdmin [EMAIL PROTECTED] DocumentRoot /usr/local/httpd/htdocs/sites/mysite/ ServerName www.mysite.net ProxyPass / http://mysite.net:8080 ProxyPassReverse / http://mysite.net:8080 /VirtualHost This works to an extent if you connect to www.mysite.net:8080 you get the tomcat home page in full all graphics displaying. if you connect to www.mysite.net you get the tomcat home page but no graphics If you try to ask for the graphic directly you get an error 400 Unrecognised Response from Server... if you change the ProxyPass to /webapps it works fully and serves the images has anyone any idea why? Mike. -BEGIN GEEK CODE BLOCK- Version: 3.12 GCM d- s:+ a C UL P+ L+++ E--- W+++ N+++ o+ K w O-- M- V- PS+ PE+ Y+ PGP t+++ 5+++ X- R+++ tv++ h++ DI D++ G e+ h++ r+++ y+++ --END GEEK CODE BLOCK-- --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat heap vs. java.exe
I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Help tomcat problem with memory
Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat heap vs. java.exe
Howdy, Search the archives, as the relationship of the heap size to the total java OS process size has been described numerous times. What you're seeing is normal. Yoav Shapira Millennium ChemInformatics -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
So what's your problem? Are you using Linux? Did you know that Linux shows threads as processes using ps? Are you running out of memory? A little more information would be helpful. Regards, Drew -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:36 AM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
I not shure which problem you have : - Why do I have so many processes (You havn't, that are threads, search google or the archives on that one) - Why does the process take this amount of memory Depens on several factors. (Memory setting of the vm, amount of servlets, jsp's, number of features you use in tomcat, current number of active sessions, ) - How can I give the process more memory Set the option in the environment variable CATALINA_OPTS or JAVA_OPTS befor starting tomcat. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:36 PM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
If you weren't aware of what Hamilton mentioned, try a ps awxu --forest | grep java, and you will get a listing of processes with their child threads in a tree view. -Original Message- From: Hamilton Andrew [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 9:44 AM To: Tomcat Users List Subject: RE: Help tomcat problem with memory So what's your problem? Are you using Linux? Did you know that Linux shows threads as processes using ps? Are you running out of memory? A little more information would be helpful. Regards, Drew -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:36 AM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ This communication is intended for the use of the recipient to whom it is addressed, and may contain confidential, personal, and or privileged information. Please contact us immediately if you are not the intended recipient of this communication, and do not copy, distribute, or take action relying on it. Any communications received in error, or subsequent reply, should be deleted or destroyed. --- - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Proxy through apache not working correctly
It works correctly for me but I want the context to be / not /webapps Like I said it works for the jsp page but the img files inside are not sent and they produce a Bad Request Your browser sent a request that this server could not understand. error (400 Bad Request) -Original Message- From: Asif Chowdhary [mailto:[EMAIL PROTECTED] Sent: 27 February 2004 16:24 To: Tomcat Users List Subject: RE: Proxy through apache not working correctly Hi, I put my application context and it works fine. ProxyPass /context http://mysite.net:8080 ProxyPassReverse /context http://mysite.net:8080 -Original Message- From: Michael Forster [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:14 AM To: [EMAIL PROTECTED] Subject: Proxy through apache not working correctly -Original Message- I am having problems with Apache and Tomcat, I am running Apache with many websites, one needs to use Tomcat. I had the setting as such using Virtual name servers VirtualHost www.mysite.net:80 ServerAdmin [EMAIL PROTECTED] DocumentRoot /usr/local/httpd/htdocs/sites/mysite/ ServerName www.mysite.net ProxyPass / http://mysite.net:8080 ProxyPassReverse / http://mysite.net:8080 /VirtualHost This works to an extent if you connect to www.mysite.net:8080 you get the tomcat home page in full all graphics displaying. if you connect to www.mysite.net you get the tomcat home page but no graphics If you try to ask for the graphic directly you get an error 400 Unrecognised Response from Server... if you change the ProxyPass to /webapps it works fully and serves the images has anyone any idea why? Mike. -BEGIN GEEK CODE BLOCK- Version: 3.12 GCM d- s:+ a C UL P+ L+++ E--- W+++ N+++ o+ K w O-- M- V- PS+ PE+ Y+ PGP t+++ 5+++ X- R+++ tv++ h++ DI D++ G e+ h++ r+++ y+++ --END GEEK CODE BLOCK-- --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
So what's your problem? -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:36 PM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Proxy through apache not working correctly
In both cases whether it is /webapps or / on the server XML the context is set to !-- Tomcat Root Context -- Context path=/ docBase=ROOT debug=0 /Context it seems that if the proxypass is set to / it doesnt work (the graphics are also available from apache as / when in /webapps config. It seems that because the proxypass is there it cannot understand requests for non jsp/bean requests. -Original Message- From: Michael Forster [mailto:[EMAIL PROTECTED] Sent: 27 February 2004 16:49 To: Tomcat Users List Subject: RE: Proxy through apache not working correctly It works correctly for me but I want the context to be / not /webapps Like I said it works for the jsp page but the img files inside are not sent and they produce a Bad Request Your browser sent a request that this server could not understand. error (400 Bad Request) -Original Message- From: Asif Chowdhary [mailto:[EMAIL PROTECTED] Sent: 27 February 2004 16:24 To: Tomcat Users List Subject: RE: Proxy through apache not working correctly Hi, I put my application context and it works fine. ProxyPass /context http://mysite.net:8080 ProxyPassReverse /context http://mysite.net:8080 -Original Message- From: Michael Forster [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:14 AM To: [EMAIL PROTECTED] Subject: Proxy through apache not working correctly -Original Message- I am having problems with Apache and Tomcat, I am running Apache with many websites, one needs to use Tomcat. I had the setting as such using Virtual name servers VirtualHost www.mysite.net:80 ServerAdmin [EMAIL PROTECTED] DocumentRoot /usr/local/httpd/htdocs/sites/mysite/ ServerName www.mysite.net ProxyPass / http://mysite.net:8080 ProxyPassReverse / http://mysite.net:8080 /VirtualHost This works to an extent if you connect to www.mysite.net:8080 you get the tomcat home page in full all graphics displaying. if you connect to www.mysite.net you get the tomcat home page but no graphics If you try to ask for the graphic directly you get an error 400 Unrecognised Response from Server... if you change the ProxyPass to /webapps it works fully and serves the images has anyone any idea why? Mike. -BEGIN GEEK CODE BLOCK- Version: 3.12 GCM d- s:+ a C UL P+ L+++ E--- W+++ N+++ o+ K w O-- M- V- PS+ PE+ Y+ PGP t+++ 5+++ X- R+++ tv++ h++ DI D++ G e+ h++ r+++ y+++ --END GEEK CODE BLOCK-- --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.593 / Virus Database: 376 - Release Date: 20/02/2004 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Problems running JSPs
Hello All, I am having trouble running JSPs in examples context (that with Tomcat). Below is my stack trace: org.apache.jasper.JasperException: Unable to compile class for JSP/var/tomcat/work/Standalone/localhost/examples/_0002fjsp_0002fnum_0002fnu mguess_0002ejspnumguess_jsp_0.java:15: Class num.NumberGuessBean not found in import. import num.NumberGuessBean; ^ 1 error at org.apache.jasper.compiler.Compiler.compile(Compiler.java) at org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java) at org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java) I thought it was something to do with classpath and set JAVA_HOME, CATALINA_HOME and even added all the jars in the classpath. Also, I followed some suggestions found in the archives including setting _RUN atributes, upgraded from Tomcat 4.1.24, 4.1.27, 4.1.30 Please let me know if there is ANYTHING else that I can do. The environment is Red hat linux 2.4.3-6smp #1, PII, JDK 1.3.1 Thank you, Vijay Kandy - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
My main concern is to make sure that there is no memory leakage of any sort. Our server has 1GB of ram. I'm running tomcat with -Xms128m -Xmx256m. In this case, I'm guessing that java.exe will eventually become 256MB + JVM memory ~= 370MB and stay stabilized like that. I don't want our server to use the page file very much as it slows down the performance very much. Do you think it makes sense to assume that java.exe won't exceed 370 MB (400 MB top) under these conditions? I'll go ahead and search the archives right away. Thank you for your time. Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:38 AM, Shapira, Yoav wrote: Howdy, Search the archives, as the relationship of the heap size to the total java OS process size has been described numerous times. What you're seeing is normal. Yoav Shapira Millennium ChemInformatics -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat heap vs. java.exe
Hi, the performance very much. Do you think it makes sense to assume that java.exe won't exceed 370 MB (400 MB top) under these conditions? Yes. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help tomcat problem with memory
Hi, my problem is that the performance of my server linux redhat 7.3 is down because when a try to get acceso to some application (for java) in my webserver i have to wait a lot of time, somtimes i've got acces sometime it didn't happen ... when i use ps -ef | grep java i getting many proccess with java using more or less 145 MB of my memory and i have in this moment 105 proccess using 145 MB. Thanks for you help Hamilton Andrew wrote: So what's your problem? Are you using Linux? Did you know that Linux shows threads as processes using ps? Are you running out of memory? A little more information would be helpful. Regards, Drew -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:36 AM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Problems running JSPs
Have you added the jar that contains the num.NumberGuessBean under the examples/WEB-INF/lib Or add the num.NumberGuessBean to the examples/WEB-INF/classes RS Vijay Kandy [EMAIL PROTECTED]To: 'Tomcat Users List' com [EMAIL PROTECTED] cc: 02/27/2004 10:57 Subject: Problems running JSPs AM Please respond to Tomcat Users List Hello All, I am having trouble running JSPs in examples context (that with Tomcat). Below is my stack trace: org.apache.jasper.JasperException: Unable to compile class for JSP/var/tomcat/work/Standalone/localhost/examples/_0002fjsp_0002fnum_0002fnu mguess_0002ejspnumguess_jsp_0.java:15: Class num.NumberGuessBean not found in import. import num.NumberGuessBean; ^ 1 error at org.apache.jasper.compiler.Compiler.compile(Compiler.java) at org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java) at org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java) I thought it was something to do with classpath and set JAVA_HOME, CATALINA_HOME and even added all the jars in the classpath. Also, I followed some suggestions found in the archives including setting _RUN atributes, upgraded from Tomcat 4.1.24, 4.1.27, 4.1.30 Please let me know if there is ANYTHING else that I can do. The environment is Red hat linux 2.4.3-6smp #1, PII, JDK 1.3.1 Thank you, Vijay Kandy - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help tomcat problem with memory
Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: I not shure which problem you have : - Why do I have so many processes (You havn't, that are threads, search google or the archives on that one) - Why does the process take this amount of memory Depens on several factors. (Memory setting of the vm, amount of servlets, jsp's, number of features you use in tomcat, current number of active sessions, ) - How can I give the process more memory Set the option in the environment variable CATALINA_OPTS or JAVA_OPTS befor starting tomcat. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:36 PM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat heap vs. java.exe
Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
that is your vm settings? -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 12:07 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory Importance: High Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: I not shure which problem you have : - Why do I have so many processes (You havn't, that are threads, search google or the archives on that one) - Why does the process take this amount of memory Depens on several factors. (Memory setting of the vm, amount of servlets, jsp's, number of features you use in tomcat, current number of active sessions, ) - How can I give the process more memory Set the option in the environment variable CATALINA_OPTS or JAVA_OPTS befor starting tomcat. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:36 PM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Cluster error when starting up web application
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27296 Thank you for making excellent software. p.s. i'd also like to just say thanks to person(s) reponsible for the main build.xml file which made getting and building tomcat such a breeze. Filip Hanik (lists) wrote: thanks for the very diligent email, open a bug, and I will address this issue shortly. thank you for helping us make better software Filip -Original Message- From: Aadi Deshpande [mailto:[EMAIL PROTECTED] Sent: Wednesday, February 25, 2004 10:36 PM To: Tomcat Users List Subject: Re: Cluster error when starting up web application Upon further research, it seems that DeltaSession.setId() fires the sessionCreated events to registered listeners, but this happens before a session is declared valid ( i.e. setValid(true) has not been called ). so when a registered listener tries to utilize ( what it seems to believe is ) a newly created session, the setAttribute method throws the IllegalStateException.. Now I don't know too much about how the actual workings of the HttpSession should go, but in my opinion, the sessionCreated events should not be fired unless a valid session has been created. which seems to imply that maybe setValid() should doing the firing... However, that doesn't sit well with me since it doesn't make sense for a session to be truly valid unless it has a sessionId, which either forces there to be an implict order between setId() and setValid() which is no good, requiring that either/or check to see if the other has been truly satisfied, and setting up some sort of implicit sequence coupling. the alternative, as I see it, is move the tellNew() invocation to the DeltaManager ( it's declared public, so it's already exposed ). I tried that, by patching up the TC5 sources and it seemed to resolve the issue. Again, as I know little to nothing of how sessions should work and what other implications this refactoring may have, what should be my next course of action? Should I contact the webwork people? Is this not correct use of sessions and session listeners? Should I open up a bug and/or propose my patch? Thanks in advance for reading and/or responding, -a Aadi Deshpande wrote: Hi, I just got Tomcat 5.0.19 and after setting up the new delta based cluster manager, i get this during the startup my application : SEVERE: Session event listener threw exception java.lang.IllegalStateException: setAttribute: Session already invalidated at org.apache.catalina.cluster.session.DeltaSession.setAttribute(DeltaSession.j ava:1306) at org.apache.catalina.cluster.session.DeltaSession.setAttribute(DeltaSession.j ava:1283) at org.apache.catalina.cluster.session.DeltaSessionFacade.setAttribute(DeltaSes sionFacade.java:17 7) at com.opensymphony.webwork.lifecycle.SessionLifecycleListener.sessionCreated(S essionLifecycleLis tener.java:50) at org.apache.catalina.cluster.session.DeltaSession.tellNew(DeltaSession.java:4 59) at org.apache.catalina.cluster.session.DeltaSession.setId(DeltaSession.java:431 ) at org.apache.catalina.cluster.session.DeltaManager.createSession(DeltaManager. java:377) at org.apache.catalina.cluster.session.DeltaManager.messageReceived(DeltaManage r.java:895) at org.apache.catalina.cluster.session.DeltaManager.messageDataReceived(DeltaMa nager.java:794) at org.apache.catalina.cluster.tcp.SimpleTcpCluster.messageDataReceived(SimpleT cpCluster.java:561 ) at org.apache.catalina.cluster.io.ObjectReader.execute(ObjectReader.java:117) at org.apache.catalina.cluster.tcp.TcpReplicationThread.drainChannel(TcpReplica tionThread.java:17 6) at org.apache.catalina.cluster.tcp.TcpReplicationThread.run(TcpReplicationThrea d.java:114) As far as I can tell, it's happening when I request a page that has the webwork2 RequestLifecycleFilter set for that url pattern. The doFilter function creates a HttpSession if none exists, which I assume calls the SessionLifecycleListener.sessionCreated(), but for some reason, it seems like the session is being invalidated prematurely.. Here's the relevant piece from my web.xml : filter filter-namecontainer/filter-name filter-class com.opensymphony.webwork.lifecycle.RequestLifecycleFilter/filter-class /filter filter-mapping filter-namecontainer/filter-name url-pattern/*/url-pattern !-- modify appropriately -- /filter-mapping listener listener-class com.opensymphony.webwork.lifecycle.SessionLifecycleListener/listener-class /listener listener listener-class com.opensymphony.webwork.lifecycle.ApplicationLifecycleListener/listener-cl ass /listener and from my server.xml file, taken pretty much verbatim from the default server.xml: Cluster className=org.apache.catalina.cluster.tcp.SimpleTcpCluster
RE: Help tomcat problem with memory
To what value did you set -Xms, -Xmm ? Can you post the statement that sets the values ? (Have seen to much typos in the past) How much memory has your box ? What says the cpu load ? Can you post the head of the top output hat shows the overall memory usage ? Are both tomcat instances on the same server ? Unless you have less than ~150 MB RAM I wouldn't expect that the memory usage is the problem if each tomcat has it's own server, if they share the same server the box would need rougly 300 MB (Depending on how much memory is used by other processes) Remember that all threads of the same vm share their memory. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 6:07 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory Importance: High Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Alternatives to J2EE Authentication
Hello.
The idea of a servlet filter to manage part of the user login process
that I read here rang a bell in my head. Diggin' in books articles I
finally found where I have first heard such a thing :^) In Professional
Struts Applications (Carnel, Linwood, Zawadzki - Apress, 2003) the authors
state that it is possible to define [...] a filter [...] that checks if the
user is logged on into the application. If the user has not logged in yet,
they will automatically be logged in as an anonymous user, furthermore,
[...] this filter is called every time the Struts ActionServlet is invoked
(achieved by mapping the filter and action servlet to the same url pattern,
of course)
This whole filter thing seems like a pretty good trick to me, and
becomes even more interesting if, for instance, you think of adding Tiles
into the mix to take care of different (and automatically loaded)
application Look Feel depending on the type of user...
Anyway, just some thoughts I thought I'd share on the list...
Best regards,
Carlos
You start coding. I'll go find out what they want.
Computer analyst to programmer
- Original Message -
From: David Evans [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, February 26, 2004 10:31 PM
Subject: Re: Alternatives to J2EE Authentication
Having just researched this, here's what i found.
Using a javax.servlet.Filter works very well.
As you say, You check the session for an attribute value that indicates
authentication. in its absence you use a RequestDispatcher to
forward to a login servlet which checks for four cases:
1. no request parameters, display logon form
2. invalid request parameters, display errors
3. unable to authenticate with valid parameters, display error
4. parameters authenticate, forward to home page
Thanks to Rick Bay on the struts-users list for this idea.
along with option 3 on this email.
http://www.mail-archive.com/[EMAIL PROTECTED]/msg24504.html
This is a fully featured, xml file configurable filter
that i will eventually use as my solution:
http://securityfilter.sourceforge.net/
but for fun and understanding i wrote (cut and pasted bits from the web
really) this one, as a test:
public final class AuthFilter implements Filter {
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
boolean auth = false;
if (request instanceof HttpServletRequest) {
HttpSession session =
((HttpServletRequest)request).getSession();
String path = ((HttpServletRequest) request).getPathInfo();
Boolean authAttr =
(Boolean) session.getAttribute(authenticated);
if (authAttr != null) auth = authAttr.booleanValue();
}
if (auth) {
chain.doFilter(request, response);
return;
}
else {
RequestDispatcher dispatcher =
request.getRequestDispatcher(/login.do);
dispatcher.forward (request, response);
return;
}
}
}
Hope that helps.
dave
On Thu, 2004-02-26 at 18:19, Steven J. Owens wrote:
Hi folks,
The most common (and frustrating) bookmarked login page gotcha
with J2EE authentication has been oft-discussed (broken as designed)
on this list.
What are people's favorite alternatives to J2EE authentication?
And why?
Something I'm particularly interested is alternatives that don't
require me to rebuild the application from scratch. I'm looking at
tearing out the old login process and putting in a new one and I don't
really want to start the whole thing over.
If I had to build it from scratch myself, I'd do it as a simple
Servlet filter that checks for a Principal object stored in the user's
HttpSession.
-
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RE: Help tomcat problem with memory
The 145 is the entire JVM memory usage. It just shows up on every thread as 145M. It's not actually using that much per thread. Again... ps awxu --forest | grep java will show all the threads, along with their parent. You might notice that the parent and children all show the same values. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 10:01 AM To: Tomcat Users List; [EMAIL PROTECTED] Subject: Re: Help tomcat problem with memory Importance: High Hi, my problem is that the performance of my server linux redhat 7.3 is down because when a try to get acceso to some application (for java) in my webserver i have to wait a lot of time, somtimes i've got acces sometime it didn't happen ... when i use ps -ef | grep java i getting many proccess with java using more or less 145 MB of my memory and i have in this moment 105 proccess using 145 MB. Thanks for you help Hamilton Andrew wrote: So what's your problem? Are you using Linux? Did you know that Linux shows threads as processes using ps? Are you running out of memory? A little more information would be helpful. Regards, Drew -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:36 AM To: [EMAIL PROTECTED] Subject: Help tomcat problem with memory Importance: High Hi i have installed apache 13.24 with 2 tomcats 4.0.3 with loadbalancer is woring fine but the problem when i'm using the ps -ef | grep java command i've saw many java process justa like these: 21430 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21431 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21443 root 15 0 139M 139M 49444 S 0.0 13.8 0:07 java 21444 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21445 root 20 0 139M 139M 49444 S 0.0 13.8 0:00 java 21446 root 15 0 139M 139M 49444 S 0.0 13.8 0:06 java 21454 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21457 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21458 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21460 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21462 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21464 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21466 root 15 0 139M 139M 49444 S 0.0 13.8 0:00 java 21468 root 16 0 139M 139M 49444 S 0.0 13.8 0:04 java 21469 root 15 0 139M 139M 49444 S 0.0 13.8 0:03 java looking the internet, the solution is use the -Xmx , -Xms and use the className=org.apache.tomcat.service.PoolTcpConnector and i'm working with Ajp13 !-- A pooled AJPV12 Connector for out-of-process operation -- Connector className=org.apache.tomcat.service.PoolTcpConnector Parameter name=handler value=org.apache.tomcat.service.connector.Ajp12ConnectionHandler/ Parameter name=port value=8007/ Parameter name=max_threads value=30/ Parameter name=max_spare_threads value=20/ Parameter name=min_spare_threads value=5 / /Connector Thanks Fabian - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] __ This communication is intended for the use of the recipient to whom it is addressed, and may contain confidential, personal, and or privileged information. Please contact us immediately if you are not the intended recipient of this communication, and do not copy, distribute, or take action relying on it. Any communications received in error, or subsequent reply, should be deleted or destroyed. --- - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Context to path
Every web-app is in a context. Every context is in a path on the system. The question is, how can I translate a context to a system path. For example a context is in the following path: E:\xxx\yyy\myContext The web-app is in: http://localhost:8080/myContext How can I translate that using a PageContext or something similar into the path mentioned above. Any suggestions? Thanks in advance, Sjoerd van Leent
Re: Help tomcat problem with memory
Hi this the statemens that i posted in the catalina.sh file JAVA_HOME=/usr/java/j2sdk1.4.0 ; export JAVA_HOME CATALINA_HOME=/usr/local/tomcat1 ; export CATALINA_HOME JAVA_OPST=-server -Xms30m -Xmx40m -Dfile.encoding=ISO-8859-1 CATALINA_OPTS=-Xms30m -Xmx40m This the output of the top command and both tomcats has been installed in the same server 1:22pm up 21 days, 5:36, 6 users, load average: 0.17, 0.23, 0.28 220 processes: 218 sleeping, 2 running, 0 zombie, 0 stopped CPU0 states: 9.5% user, 4.0% system, 0.0% nice, 85.5% idle CPU1 states: 7.4% user, 8.5% system, 0.4% nice, 83.3% idle Mem: 1030580K av, 1019220K used, 11360K free, 0K shrd, 92348K buff Swap: 2096376K av, 58748K used, 2037628K free 706776K cached PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND 23447 root 25 0 86252 84M 18864 S 0.0 8.3 0:02 java 23461 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23462 root 15 0 86252 84M 18864 S 0.0 8.3 0:03 java 23463 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23464 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23474 root 15 0 86252 84M 18864 S 0.5 8.3 0:03 java 23475 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java 23476 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java Ralph Einfeldt wrote: To what value did you set -Xms, -Xmm ? Can you post the statement that sets the values ? (Have seen to much typos in the past) How much memory has your box ? What says the cpu load ? Can you post the head of the top output hat shows the overall memory usage ? Are both tomcat instances on the same server ? Unless you have less than ~150 MB RAM I wouldn't expect that the memory usage is the problem if each tomcat has it's own server, if they share the same server the box would need rougly 300 MB (Depending on how much memory is used by other processes) Remember that all threads of the same vm share their memory. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 6:07 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory Importance: High Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Context to path
What I usually do is this: pageContext.getServletContext().getContext(/myContext).getRealPath(/ myfile.jsp))); Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 1:00 PM, Sjoerd van Leent wrote: Every web-app is in a context. Every context is in a path on the system. The question is, how can I translate a context to a system path. For example a context is in the following path: E:\xxx\yyy\myContext The web-app is in: http://localhost:8080/myContext How can I translate that using a PageContext or something similar into the path mentioned above. Any suggestions? Thanks in advance, Sjoerd van Leent
RE: Context to path
Howdy, Every web-app is in a context. Every context is in a path on the system. The second assertion is false. A web application may be a packed WAR whose contents reside only in memory. If you want to break portability, you get use ServletContext#getRealPath(/) to get the docBase of your webapp. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
round trip SSL question
What we want to do is have round trip, SSL encryption when our clients use our webapps AND not have the port number as part of the URL. There are 3 scenarios: 1) Our client is using IIS to serve their current webapps some of these apps could be employing SSL. How do we insure that JSPs and Servlets that are redirected to Tomcat are talking with IIS securely encrypted? I understand that typical redirection from IIS to tomcat is always decrypted, cleartext. 2) Our client is using IIS to serve their current webapps none of their apps employ ssl. Can (and should) we setup IIS and Tomcat so that SSL requests go directly to Tomcat (Tomcat talks to client directly when SSL request issued) and standard HTTP requests goto IIS? 3) Our client does NOT want to use IIS how do you setup tomcat to be a secure webapp server? (this is not as big a problem as numbers 1 and 2) - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help tomcat problem with memory
So, Hi this the statemens that i posted in the catalina.sh file JAVA_HOME=/usr/java/j2sdk1.4.0 ; export JAVA_HOME CATALINA_HOME=/usr/local/tomcat1 ; export CATALINA_HOME JAVA_OPST=-server -Xms30m -Xmx40m -Dfile.encoding=ISO-8859-1 CATALINA_OPTS=-Xms30m -Xmx40m Your app seems to be taking more than 30m, eh? Try 30M -- it might be case sensitive. Although the VM and Tomcat might not even be able to load and get anything done in that little memory. This the output of the top command and both tomcats has been installed in the same server 1:22pm up 21 days, 5:36, 6 users, load average: 0.17, 0.23, 0.28 Your load average looks great. What's the problem? CPU0 states: 9.5% user, 4.0% system, 0.0% nice, 85.5% idle CPU1 states: 7.4% user, 8.5% system, 0.4% nice, 83.3% idle Mem: 1030580K av, 1019220K used, 11360K free, 0K shrd, 92348K You've got a dual-CPU machine with a gig of RAM and your app is responding slowly? What are you running? buff Swap: 2096376K av, 58748K used, 2037628K free 706776K Your swap hasn't been touched. Unless you have a totally braindead app, something is terribly wrong if it's really not responding. Have you hooked up a profiler to your app? -chris signature.asc Description: OpenPGP digital signature
RE: Tomcat and commons logging
Normally this can be solved by add log4j.jar to your classpath. Are you sure it's an exception, not a warning? -Original Message- From: Riaan Oberholzer [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:52 AM To: [EMAIL PROTECTED] Subject: Tomcat and commons logging Can someone just PLEASE post a simple straight forward example of how to configure a Tomcat system (4.1.x) for once and for all without getting that damn No logger for class xxx exception. *sigh* I want no loggers defined for 3rd party packages (eg the host of jars required for struts 1.1). Well, default loggers that maybe just do nothing would be fine. Where how do I set this? __ Do you Yahoo!? Get better spam protection with Yahoo! Mail. http://antispam.yahoo.com/tools - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Problems running JSPs
Theres no jar file associated with examples webapp but I put examples/WEB-INF/classes in classpath but that did not help - I still get the same stack trace. Any other suggestions please? Vijay Kandy -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 12:02 PM To: Tomcat Users List Subject: Re: Problems running JSPs Have you added the jar that contains the num.NumberGuessBean under the examples/WEB-INF/lib Or add the num.NumberGuessBean to the examples/WEB-INF/classes RS Vijay Kandy [EMAIL PROTECTED]To: 'Tomcat Users List' com [EMAIL PROTECTED] cc: 02/27/2004 10:57 Subject: Problems running JSPs AM Please respond to Tomcat Users List Hello All, I am having trouble running JSPs in examples context (that with Tomcat). Below is my stack trace: org.apache.jasper.JasperException: Unable to compile class for JSP/var/tomcat/work/Standalone/localhost/examples/_0002fjsp_0002fnum_0002fnu mguess_0002ejspnumguess_jsp_0.java:15: Class num.NumberGuessBean not found in import. import num.NumberGuessBean; ^ 1 error at org.apache.jasper.compiler.Compiler.compile(Compiler.java) at org.apache.jasper.servlet.JspServlet.doLoadJSP(JspServlet.java) at org.apache.jasper.servlet.JasperLoader12.loadJSP(JasperLoader12.java) I thought it was something to do with classpath and set JAVA_HOME, CATALINA_HOME and even added all the jars in the classpath. Also, I followed some suggestions found in the archives including setting _RUN atributes, upgraded from Tomcat 4.1.24, 4.1.27, 4.1.30 Please let me know if there is ANYTHING else that I can do. The environment is Red hat linux 2.4.3-6smp #1, PII, JDK 1.3.1 Thank you, Vijay Kandy - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Connecting apache httpd 2.0.48 to Tomcat 5
Hello, Can anyone post their configuration files for connecting Apache Httpd with Tomcat 5 on a windows 2000 system? Thanks in advance, Julien Martin. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Problems on starting Tomcat 5.0.16
I think that should be some silly error, but I cannot find the solution... I'm new to Linux and Tomcat. I'm using Linux Mandrake 9.2 and Tomcat 5.0.16. When I launch startup.sh, tomcat shows the env variables and nothing more happens. I looked into the .sh end found that I can launch even with the catalina.sh. If I execute catalina.sh run , everything run fine (apparently). Can you help me? thanks, Giorgio - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Problems on starting Tomcat 5.0.16
Howdy, When I launch startup.sh, tomcat shows the env variables and nothing more happens. That's all that's supposed to show on the console. Keep a tail open on catalina.out (tail -f ../logs/catalina.out) to see other messages. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Good practice for classloaders
What's Utils and classpath? Can't you just call super.findClass(className)?
Just a guess:).
-Original Message-
From: SH Solutions [mailto:[EMAIL PROTECTED]
Sent: Friday, February 27, 2004 2:16 AM
To: [EMAIL PROTECTED]
Subject: Good practice for classloaders
Hi
I am writing an application in which I use classloaders to load different
groups of plugins.
Basically what I am doing is:
protected Class findClass( String className )
throws ClassNotFoundException
{
if ( className.startsWith( com.companyname. ) )
return getClass().getClassLoader().loadClass( className );
byte classData[] = getTypeFromBasePath( className );
if ( classData == null )
throw new ClassNotFoundException();
return defineClass( className, classData, 0, classData.length );
}
private byte[] getTypeFromBasePath( String typeName )
{
return Utils.readFile( classPath + typeName.replace( '.',
File.separatorChar ) + .class );
}
Now, I have problems an obvious problem with jar-files. [I have already
posted this before.]
[Actually I do not understand this problem, since it worked well with
tomcat4.0.6, but thats another problem. Still any hints are wellcome...]
What I would like to do is get rid of the getTypeFromBasePath-method. I
would prefer to let the parent classloader do this part and only do the
defineClass myself.
What I am doing right now seems to be bad practice event to me. But what
would be good practice?
The once thing I want to archive is that I want to load these classes with
different classloaders to be able to reload them during the lifetime of my
application.
Can anyone give me any hint?
Thanks,
Steffen
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certificates and Keystores and SSL
Does anybody have any suggestions on keystores and CA Certificates. I can get my certificates imported into a keystore, but when I attempt to hit the website, the certificate I see is an old one, not the new on. I have the entry in the server.xml set to the correct file. Henry R Faust EDI Analyst Ozburn-Hessey Logistics W: (615) 524-3648 C: (615) 300-0352 IM: HenryFaust
Re: Help tomcat problem with memory
If i have only two java proccess of 141 MB and 55 MB why my memory is over 90% of the utilization and the application working slowly or not working, when the users try to get access using the webserver in this server. i can't understand this problem...thnaks Thanks a lot for you help Fabian software wrote: Hi this the statemens that i posted in the catalina.sh file JAVA_HOME=/usr/java/j2sdk1.4.0 ; export JAVA_HOME CATALINA_HOME=/usr/local/tomcat1 ; export CATALINA_HOME JAVA_OPST=-server -Xms30m -Xmx40m -Dfile.encoding=ISO-8859-1 CATALINA_OPTS=-Xms30m -Xmx40m This the output of the top command and both tomcats has been installed in the same server 1:22pm up 21 days, 5:36, 6 users, load average: 0.17, 0.23, 0.28 220 processes: 218 sleeping, 2 running, 0 zombie, 0 stopped CPU0 states: 9.5% user, 4.0% system, 0.0% nice, 85.5% idle CPU1 states: 7.4% user, 8.5% system, 0.4% nice, 83.3% idle Mem: 1030580K av, 1019220K used, 11360K free, 0K shrd, 92348K buff Swap: 2096376K av, 58748K used, 2037628K free 706776K cached PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND 23447 root 25 0 86252 84M 18864 S 0.0 8.3 0:02 java 23461 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23462 root 15 0 86252 84M 18864 S 0.0 8.3 0:03 java 23463 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23464 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23474 root 15 0 86252 84M 18864 S 0.5 8.3 0:03 java 23475 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java 23476 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java Ralph Einfeldt wrote: To what value did you set -Xms, -Xmm ? Can you post the statement that sets the values ? (Have seen to much typos in the past) How much memory has your box ? What says the cpu load ? Can you post the head of the top output hat shows the overall memory usage ? Are both tomcat instances on the same server ? Unless you have less than ~150 MB RAM I wouldn't expect that the memory usage is the problem if each tomcat has it's own server, if they share the same server the box would need rougly 300 MB (Depending on how much memory is used by other processes) Remember that all threads of the same vm share their memory. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 6:07 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory Importance: High Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Problems using Servlet with 4.1.29, Apache 2.0.40 and https
http and https use different port. Most likely your Apache only listens to the http port. hope this helps:) -Yan -Original Message- From: Lutz Maibach [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 1:15 AM To: Tomcat Users List Subject: Problems using Servlet with 4.1.29, Apache 2.0.40 and https Hello, I'm trying to get a servlet called rreport running with the Software shown above. Everything is working well as long as I use the http-address (everything is redirect via apache) to call rreport. I can also run the tomcat-examples via https so I think that redirecting via Apache isn't the problem. I presume that the object not found-message I get calling rreport via https results from a missing entry in the tomcat-configs but I don't know where to start searching for it. Help would be appreciated :-) Greetings Lutz Maibach - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: JSP forwarding outside of Context
Will JNDI help you in any way? I don't have a solution for ya:), but thought this would be a very good counter-arguement against the idea that .war is the best deployment practise in Tomcat. -Yan -Original Message- From: Johansen, Roar [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 6:06 AM To: Tomcat Users List Subject: JSP forwarding outside of Context I supervise development of a web-app, currently deployed on Jrun, but I also want to deploy it on other appservers, among those tomcat. I want to distribute the app as a .war file (which we do), but with JSPs outside the .war file. This because we want to be able to do fixes, and not least to add JSPs (according to that being made possible by the servlet we direct all requsts to, but that's a long story), without having to redeploy the entire .war file. Thing is, since we reside on the context root /, anything below the context root is in the .war file. JRun4 supports the concept of virtual mapping, by which means resources within the context may be mapped to a different physical location, e.g. virtual-mapping resource-path/pages/resource-path system-path/wherever/on/the/harddisk/pages/system-path /virtual-mapping This maps the context relative path of /pages to the physical location in system-path. This allows for relocation of resources to outside of a .war file distribution. If I have managed to make myself clear here, is there any way I could do something similar in tomcat? TIA, Roar - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Web site error.
When I went to look for a link on documentation I ran into this: TC Main page http://jakarta.apache.org/tomcat/ Documentation for TC4 goes to http://jakarta.apache.org/tomcat/tomcat-4.1-doc/index.html JK Documentation goes to http://jakarta.apache.org/tomcat/tomcat-4.1-doc/jk2/index.html Good TC Main page http://jakarta.apache.org/tomcat/ Documentation for TC5 goes to http://jakarta.apache.org/tomcat/tomcat-5.0-doc/index.html JK Documentation goes to http://jakarta.apache.org/site/binindex.cgi Oops! Which has no documentation, just the binaries. May explain the rash of request for the TC5 iis and jk docs. Is there a better place to report website errors? Doug Parsons www.parsonstechnical.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Good practice for classloaders
Hi
What's Utils and classpath?
A utility class and a member String in my system. These work.
Can't you just call super.findClass(className)?
No.
http://java.sun.com/j2se/1.4.2/docs/api/java/lang/ClassLoader.html#findClass
(java.lang.String)
Finds the specified class. This method should be overridden by class loader
implementations that follow the delegation model for loading classes, and
will be invoked by the loadClass method after checking the parent class
loader for the requested class. The default implementation throws a
ClassNotFoundException.
So which ClassLoader should I inherit from? java.lang.ClassLoader would
obviously not do it...
Thanks anyway,
Steffen
Just a guess:).
-Original Message-
From: SH Solutions [mailto:[EMAIL PROTECTED]
Sent: Friday, February 27, 2004 2:16 AM
To: [EMAIL PROTECTED]
Subject: Good practice for classloaders
Hi
I am writing an application in which I use classloaders to load different
groups of plugins.
Basically what I am doing is:
protected Class findClass( String className )
throws ClassNotFoundException
{
if ( className.startsWith( com.companyname. ) )
return getClass().getClassLoader().loadClass( className );
byte classData[] = getTypeFromBasePath( className );
if ( classData == null )
throw new ClassNotFoundException();
return defineClass( className, classData, 0, classData.length );
}
private byte[] getTypeFromBasePath( String typeName )
{
return Utils.readFile( classPath + typeName.replace( '.',
File.separatorChar ) + .class );
}
Now, I have problems an obvious problem with jar-files. [I have already
posted this before.]
[Actually I do not understand this problem, since it worked well with
tomcat4.0.6, but thats another problem. Still any hints are wellcome...]
What I would like to do is get rid of the getTypeFromBasePath-method. I
would prefer to let the parent classloader do this part and only do the
defineClass myself.
What I am doing right now seems to be bad practice event to me. But what
would be good practice?
The once thing I want to archive is that I want to load these classes with
different classloaders to be able to reload them during the lifetime of my
application.
Can anyone give me any hint?
Thanks,
Steffen
-
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
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Re: Problems on starting Tomcat 5.0.16
Thanks, with your tip I found the problem. Bye, Giorgio Shapira, Yoav wrote: Howdy, When I launch startup.sh, tomcat shows the env variables and nothing more happens. That's all that's supposed to show on the console. Keep a tail open on catalina.out (tail -f ../logs/catalina.out) to see other messages. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Help tomcat problem with memory
Why don't you find someone who understands memory usage for your operating system and have them explain the output of your commands to you. You have 700+MB being used as file cache. Your system is under no memory pressure. Your app is slow because 1) It's compiling JSPs, and this takes some overhead on the first hit. OR 2) You are hitting a database and not using connection pooling. This can kill performance. OR 3) Your application is badly written. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 1:35 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory If i have only two java proccess of 141 MB and 55 MB why my memory is over 90% of the utilization and the application working slowly or not working, when the users try to get access using the webserver in this server. i can't understand this problem...thnaks Thanks a lot for you help Fabian software wrote: Hi this the statemens that i posted in the catalina.sh file JAVA_HOME=/usr/java/j2sdk1.4.0 ; export JAVA_HOME CATALINA_HOME=/usr/local/tomcat1 ; export CATALINA_HOME JAVA_OPST=-server -Xms30m -Xmx40m -Dfile.encoding=ISO-8859-1 CATALINA_OPTS=-Xms30m -Xmx40m This the output of the top command and both tomcats has been installed in the same server 1:22pm up 21 days, 5:36, 6 users, load average: 0.17, 0.23, 0.28 220 processes: 218 sleeping, 2 running, 0 zombie, 0 stopped CPU0 states: 9.5% user, 4.0% system, 0.0% nice, 85.5% idle CPU1 states: 7.4% user, 8.5% system, 0.4% nice, 83.3% idle Mem: 1030580K av, 1019220K used, 11360K free, 0K shrd, 92348K buff Swap: 2096376K av, 58748K used, 2037628K free 706776K cached PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND 23447 root 25 0 86252 84M 18864 S 0.0 8.3 0:02 java 23461 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23462 root 15 0 86252 84M 18864 S 0.0 8.3 0:03 java 23463 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23464 root 15 0 86252 84M 18864 S 0.0 8.3 0:00 java 23474 root 15 0 86252 84M 18864 S 0.5 8.3 0:03 java 23475 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java 23476 root 20 0 86252 84M 18864 S 0.0 8.3 0:00 java Ralph Einfeldt wrote: To what value did you set -Xms, -Xmm ? Can you post the statement that sets the values ? (Have seen to much typos in the past) How much memory has your box ? What says the cpu load ? Can you post the head of the top output hat shows the overall memory usage ? Are both tomcat instances on the same server ? Unless you have less than ~150 MB RAM I wouldn't expect that the memory usage is the problem if each tomcat has it's own server, if they share the same server the box would need rougly 300 MB (Depending on how much memory is used by other processes) Remember that all threads of the same vm share their memory. -Original Message- From: software [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 6:07 PM To: Tomcat Users List Subject: Re: Help tomcat problem with memory Importance: High Yes i've configured the Tomcat environment -Xms, -Xmm but i think it doesn't work, because it's consume the server memory until 145 Mb per process i need to limit the number of java proccess and the memory that they consume on my Linux Red Hat 7.3 server thanks a lot fabian Ralph Einfeldt wrote: - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: Tomcat and SSL: problem with expiration of VeriSign Global Server ID Intermediate Root
Oh I see. You got a new one from them, installed for apache OK, but having trouble install it on Tomcat-StandAlone. Well, since you paid for it, you might as well ask them to see if they can give you any support:). Oh, I did a man keytool, it seems that you can import a certificate. What happens if you do that? -Yan -Original Message- From: Jörn Böckenkamp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 5:41 AM To: Tomcat Users List Subject: Re: Tomcat and SSL: problem with expiration of VeriSign Global Server ID Intermediate Root Hi Yan, Now that the VeriSign Global Server ID Intermediate Root cert has expired I have to replace the Intermediate Root cert on the server. There is an example on how to replace the cert on an apache server on their website (and that works fine), but no instructions how to replace it on an standalone tomcat server. Hi, what i did for my local machine(TOMCAT-STANDALONE) was regenerate the certificate with a new date and everything worked fine. it's supposed to be easy. It IS easy when you're using a self-signed cert, but I have to use one from VeriSign and I don't think that I can regenerate the VeriSign cert with a new date :-) JB - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Help tomcat problem with memory
Fabian, If i have only two java proccess of 141 MB and 55 MB why my memory is over 90% of the utilization and the application working slowly or not working, when the users try to get access using the webserver in this server. i can't understand this problem...thnaks You have to understand something about Linux memory: it never gives it up. So, even though 'top' reports that your box has very little free physical memory, that doesn't mean that it's all being used. When the kernel obtains memory on behalf of a process, it doesn't go back into 'free' when the process fees it or dies. I know it's a little weird. However, you do have a reasonable complaint: the app seems sluggish, and with that hardware, it shouldn't be. Again: what are you running? If your code fires off 500 threads every time a request comes in, then maybe you shoudl rethink your architecture. If it's nothing heavy-hitting, then something else is wrong. What else is running on the box? What benchmarks have you run? Or, are you just complaining about wall-clock time? Could your problem be network latency? How far from the box are you? -chris signature.asc Description: OpenPGP digital signature
Re: Tomcat heap vs. java.exe
Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
kill -a process_id_of_Tomcat Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:21 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not
Re: Tomcat heap vs. java.exe
oops! kill -3 process_id_of_Tomcat RS [EMAIL PROTECTED] tric.com To: Tomcat Users List [EMAIL PROTECTED] 02/27/2004 04:26 cc: PM Subject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List kill -a process_id_of_Tomcat Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:21 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this
Re: Tomcat heap vs. java.exe
kill doesn't work on Windows. Besides, I can't afford to stop the server right now. Many of our customers are using currently using the websites. Any idea why JVM would run out of memory? I thought GC would clean up the memory at a certain ratio. Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:27 PM, [EMAIL PROTECTED] wrote: oops! kill -3 process_id_of_Tomcat RS [EMAIL PROTECTED] tric.com To: Tomcat Users List [EMAIL PROTECTED] 02/27/2004 04:26 cc: PM Subject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List kill -a process_id_of_Tomcat Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:21 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to be strictly confidential. If you are not the intended recipient of this message, you may not disclose, print, copy or disseminate this information. If you have received this in error, please reply and notify the sender (only) and delete the message. Unauthorized interception of this e-mail is a violation of federal criminal law. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] This transmission is intended to
RE: Context to path
Actually, I already did this before but lost the solution. I remember that I also used JNDI (or should I say, abuse JNDI) to get the actual context path. Making a standard taglib and factory method for this seems to be not to much of an effort. Thanks again for this quick response. -Oorspronkelijk bericht- Van: Asim Alp [mailto:[EMAIL PROTECTED] Verzonden: vrijdag 27 februari 2004 19:04 Aan: Tomcat Users List Onderwerp: Re: Context to path What I usually do is this: pageContext.getServletContext().getContext(/myContext).getRealPath(/ myfile.jsp))); Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 1:00 PM, Sjoerd van Leent wrote: Every web-app is in a context. Every context is in a path on the system. The question is, how can I translate a context to a system path. For example a context is in the following path: E:\xxx\yyy\myContext The web-app is in: http://localhost:8080/myContext How can I translate that using a PageContext or something similar into the path mentioned above. Any suggestions? Thanks in advance, Sjoerd van Leent - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
http://jakarta.apache.org/tomcat/faq/memory.html has some descriptions as to what to do with an OutOfMemroyError You need to realize that the JVM needs to know what memory it can and cannot free, and if it thinks something is unfreeable, that is as good as a leak, since the garbage collector cannot clean it up. This happens many different ways, I'd suggest you do some research on it. And, if this keeps happening, it would pay to get a good java profiler, and load test your application in a development environment and see where the memory leaks are. [EMAIL PROTECTED] 2/27/04 3:31:38 PM kill doesn't work on Windows. Besides, I can't afford to stop the server right now. Many of our customers are using currently using the websites. Any idea why JVM would run out of memory? I thought GC would clean up the memory at a certain ratio. Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:27 PM, [EMAIL PROTECTED] wrote: oops! kill -3 process_id_of_Tomcat RS [EMAIL PROTECTED] tric.com To: Tomcat Users List [EMAIL PROTECTED] 02/27/2004 04:26 cc: PM Subject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List kill -a process_id_of_Tomcat Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:21 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject: Tomcat heap vs. java.exe I have a quick question. When I run Tomcat 5.0.18, my java.exe starts with ~65MB. Then as my websites get hits, java.exe starts increasing. I run tomcat with the -Xms128m -Xmx256m options. So the startup heap size of tomcat is 128MB. After my first start, I usually have around 80 MB free memory for Tomcat. My question is, why is the startup java.exe size is smaller than my total heap size? Does the size of java.exe grow as the heap starts being used. I would expect java.exe to be at least 128 MB (plus the JVM memory) since that is how much is allocated. Thanks, Asim - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
starting tomcat with custom propertys
I am using an application that requires me to run it with a custom property (-Djava.awt.headless=true). I poked around in my tomcat 4.1.29 installation and found that in the catalina.sh file there was an CATALINA_OPTS variable. I tried to set it at a few different places in the catalina.sh file. The all resulted in catalina.sh: CATALINA_OPTS: command not found. So my question is how can I get tomcat to run with the property -Djava.awt.headless=true? Thanks //Ukiah Smith - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: starting tomcat with custom propertys
I think you have to set the JAVA_OPTS environmental variable. Asim On Feb 27, 2004, at 5:48 PM, Ukiah Smith wrote: I am using an application that requires me to run it with a custom property (-Djava.awt.headless=true). I poked around in my tomcat 4.1.29 installation and found that in the catalina.sh file there was an CATALINA_OPTS variable. I tried to set it at a few different places in the catalina.sh file. The all resulted in catalina.sh: CATALINA_OPTS: command not found. So my question is how can I get tomcat to run with the property -Djava.awt.headless=true? Thanks //Ukiah Smith - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
If I were you, I'd load test your site first before going to production. As you pointed out, you cannot afford to stop your production server or hang it with OutOfMemory errors. You can get jvm dumps on windows by turning on the -verbosegc. This will dump out stack traces repeatedly without exiting the JVM. Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:31 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List kill doesn't work on Windows. Besides, I can't afford to stop the server right now. Many of our customers are using currently using the websites. Any idea why JVM would run out of memory? I thought GC would clean up the memory at a certain ratio. Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:27 PM, [EMAIL PROTECTED] wrote: oops! kill -3 process_id_of_Tomcat RS [EMAIL PROTECTED] tric.com To: Tomcat Users List [EMAIL PROTECTED] 02/27/2004 04:26 cc: PM Subject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List kill -a process_id_of_Tomcat Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:21 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List How can I take a thread dump? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 5:16 PM, [EMAIL PROTECTED] wrote: OutOfMemory errors sometimes show up when the java vm runs low on memory. Since you have increased the heap size, could you take a thread dump to see if there are any CPU burning threads or any threads waiting on a resource? Thanks, RS Asim Alp [EMAIL PROTECTED]To: Tomcat Users List tworks.net [EMAIL PROTECTED] cc: 02/27/2004 04:14 PMSubject: Re: Tomcat heap vs. java.exe Please respond to Tomcat Users List Our sites have just went down for a couple of minutes. I solved the problem by restarting Tomcat. At the time of the crash, java.exe was about 345MB. I'm running tomcat with the -Xms128m -Xmx256m options. Our server has 1GB physical ram. On the Tomcat logs, it reads: 2004-02-27 16:58:55 ApplicationDispatcher[/jsp-apps] Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError 2004-02-27 16:58:55 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError Do you have any idea why this might have happened? Also, how can we avoid such problems in the future? Asim Alp Educational Networks 55 Broad Street, 10th Floor New York, NY 10004 www.educationalnetworks.net Tel: +1 (212) 269-0200 Fax: +1 (212) 269-1446 On Feb 27, 2004, at 11:39 AM, Kannan Sundararajan wrote: Yes, it goes along with subject called Garbage collection and tuning. This area is a huge, sometimes very quick to tune, and sometimes gives a nightmare to tune those properties. The nature of this subject grows based on your application, servers and expectations from user end. -Original Message- From: Asim Alp [mailto:[EMAIL PROTECTED] Sent: Friday, February 27, 2004 11:25 AM To: [EMAIL PROTECTED] Subject:
Upgrading Tomcat from 4.1.x to 5.0.x
I've been using Tomcat 4.124 and now Tomcat 4.1.29 with good results but I'm thinking it might be time to upgrade to Tomcat 5.0.x. Are there any cautions/warnings/problems or just differences that I should expect between the two? For instance, will my servlets need to change in any way to run in 5.0.x? Will administration of the servlets change in any way? If there is anything I should do to prepare for the upgrade, particularly steps that minimize problems, I'd like to do so. Am I right in believing that I should normally not remove old versions beforeinstalling newer versions of Tomcat; that new versions simply go on "in parallel", i.e. they are put in different directories than the old versions? That's what I did when going from 4.1.24 to 4.1.29 in Windows XP. However, we also have Tomcat on our Linux Mandrake 9.1 server and the administrator wants to use urpm to simply overlay 4.1.24 on Linux with 5.0.x. Is that safe or should we do it some other way? Rhino---rhino1 AT sympatico DOT ca"If you want the best seat in the house, you'll have to move the cat."
RE: Limit size of catalina.out ?
I searched the internet for it, but could not get a clear definition for it. Does it ignore System.out and System.err from the context? --- Shapira, Yoav [EMAIL PROTECTED] wrote: Howdy, Is there any particular reason why this was never set-up to rotate like the other logs? It's not a catalina Logger, it's just the trap for System.out/System.err. one good way to get it to rotate is to add swallowOutput=true to your Context definition. Of course, patches/enhancements are always welcome as well. Yoav Shapira This e-mail, including any attachments, is a confidential business communication, and may contain information that is confidential, proprietary and/or privileged. This e-mail is intended only for the individual(s) to whom it is addressed, and may not be saved, copied, printed, disclosed or used by anyone else. If you are not the(an) intended recipient, please immediately delete this e-mail from your computer system and notify the sender. Thank you. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] = Norris Shelton Software Engineer Sun Certified Java 1.1 Programmer Appriss, Inc. ICQ# 26487421 AIM NorrisEShelton YIM norrisshelton __ Do you Yahoo!? Get better spam protection with Yahoo! Mail. http://antispam.yahoo.com/tools - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat heap vs. java.exe
Asim, kill doesn't work on Windows. Besides, I can't afford to stop the server right now. Many of our customers are using currently using the websites. In order to get a thread-dump, you can do a CRTL-BREAK (not CTRL-C) on win32. Unfortunately, you have to already have started the JVM on a console, instead of as a service. If it's already running, and you can't restart, you can write a JSP that will get a thread dump for you. Just look up Thread.getThreadGroup, ThreadGroup.getParent, and ThreadGroup.list and you can throw something together pretty quickly. Ideally, you can get a VM thread-dump, though. Any idea why JVM would run out of memory? I thought GC would clean up the memory at a certain ratio. In general, yes. However, it's easy to eat-up memory when you think the GC will take care of *everything*. Sometimes, you will get a legitimate OutOfMemoryError. These occur when your application just plain needs more memory than you have allowed Java to use. Setting the max (and usually min) heap size to something larger will certainly help with that. However, if you have a memory leak, it will only prolong the enevitable. -chris signature.asc Description: OpenPGP digital signature
RE: Problems using Servlet with 4.1.29, Apache 2.0.40 and https
From: Lutz Maibach [mailto:[EMAIL PROTECTED] I'm trying to get a servlet called rreport running with the Software shown above. Everything is working well as long as I use the http-address When I add a new context in Tomcat, I have to add a section to ssl.conf (an Apache config file, not Tomcat). The one for the Tomcat examples looks like this: # Enable SSL for example servlets Alias /examples /path/to/tomcat/webapps/examples Directory /path/to/tomcat/webapps/examples SSLOptions +StdEnvVars +ExportCertData Options Indexes FollowSymLinks /Directory JkMount /examples/* ajp13 Location /examples/WEB-INF/ AllowOverride None Deny from all /Location Did you add one of those for the context that contains your 'rreport' Servlet? -- Wendy Smoak Application Systems Analyst, Sr. ASU IA Information Resources Management - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: starting tomcat with custom propertys
I just used JAVA_OPTS = -Djava.awt.headless=true as the first non commented line in catalina.sh. I also tried it in my init.d/tomcat41 directory. When it was in my catalina.sh file I got and error, JAVA_OPTS: command not found. What am I doing wrong? Where do I set JAVA_OPTS or CATALINA_OPTS? //Ukiah On Fri, Feb 27, 2004 at 05:42:38PM -0500, Asim Alp wrote: I think you have to set the JAVA_OPTS environmental variable. Asim On Feb 27, 2004, at 5:48 PM, Ukiah Smith wrote: I am using an application that requires me to run it with a custom property (-Djava.awt.headless=true). I poked around in my tomcat 4.1.29 installation and found that in the catalina.sh file there was an CATALINA_OPTS variable. I tried to set it at a few different places in the catalina.sh file. The all resulted in catalina.sh: CATALINA_OPTS: command not found. So my question is how can I get tomcat to run with the property -Djava.awt.headless=true? Thanks //Ukiah Smith - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- http://www.societyofno.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Cross context c:import not working?
Hi, I'm not sure if this or the taglibs-user is the right place for posting this, but it looks to be a Tomcat error. When trying to use a c:import in the vein of : c:import url=/test.jsp context=/profile/ Hi, Not sure if this is the right place or taglibs-user for this issue ( it seems to be a tomcat problem ), but it looks like cross context c:imports don't work if a page is session-enabled. This used to work in Tomcat 5.0.16 but is broken in 5.0.19 For example : Both / and /profile contexts have crossContext=true c:import url=/cross_context_import.jsp context=/profile/ if cross_context_import.jsp has %@ page session=false %, everything works well. if cross_context_import doesn't have that ( or %@ page session=true % ), then it gives me a NullPointerException ( stack trace at the end ) The problem it seems is that inside ApplicationHttpRequest.getSession(), the call to context.getManager().findSession(id) returns null ( this is for the first time that the context is accessed ). However, before checking to see if the session is null, the .access() method is called on it ( presumably to update the access time ) . The whole thing is wrapped in an IOException, but which gets ignored since NullPointerException is a RuntimeException. What's odd is that the check for the ( localSession == null ) follows immediately after the try block, so it looks like some sort of oversight in my eyes. What I've done is take the source code, and refactor it so that the access comes in an else block ( it looks like other session management code was put in place after 5.0.16 ) I'd like to make sure I didn't miss anything before erroneously reporting a bug. java.lang.NullPointerException at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:546) at org.apache.catalina.core.ApplicationHttpRequest.getSession(ApplicationHttpRequest.java:512) at org.apache.jasper.runtime.PageContextImpl._initialize(PageContextImpl.java:192) at org.apache.jasper.runtime.PageContextImpl.initialize(PageContextImpl.java:167) at org.apache.jasper.runtime.JspFactoryImpl.internalGetPageContext(JspFactoryImpl.java:149) at org.apache.jasper.runtime.JspFactoryImpl.getPageContext(JspFactoryImpl.java:106) at org.apache.jsp.index_jsp._jspService(index_jsp.java:55) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204) at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:750) at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:636) at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:546) at org.apache.taglibs.standard.tag.common.core.ImportSupport.doEndTag(ImportSupport.java:179) at org.apache.jsp.cross_005fcontext_005fimport_jsp._jspx_meth_c_import_0(cross_005fcontext_005fimport_jsp.java:85) at org.apache.jsp.cross_005fcontext_005fimport_jsp._jspService(cross_005fcontext_005fimport_jsp.java:59) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) at javax.servlet.http.HttpServlet.service(HttpServlet.java:856) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204) at clubmom.framework.PersistentHibernateSession.doFilter(PersistentHibernateSession.java:62) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:233) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:257) at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245) at
RE: Limit size of catalina.out ?
From: Shapira, Yoav [mailto:[EMAIL PROTECTED] It's not a catalina Logger, it's just the trap for System.out/System.err. one good way to get it to rotate is to add swallowOutput=true to your Context definition. Of course, patches/enhancements are always welcome as well. Thanks for that, it will save me some research when this comes back up on my things to do list! Every month on maintenance weekend I stop Tomcat, rename catalina.out and restart Tomcat. A bit of a pain, but I don't like the file getting too big. At least now I know it isn't currently possible. This would be a great enhancement. Would someone who is familiar with the Tomcat code take a moment to describe how you think it could be done? Or just point in the general direction of the code that would need to be changed. Getting started is the hardest part, and I'm not familiar enough with Tomcat to know where to look. -- Wendy Smoak Application Systems Analyst, Sr. ASU IA Information Resources Management - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: starting tomcat with custom propertys
Hello, Ukiah: To see what's failing in the script you can try this: set -x catalina.sh You can then type set +x to switch off the display of executed commands or just open another command shell Oswald Ukiah Smith [EMAIL PROTECTED] wrote: I just used JAVA_OPTS = -Djava.awt.headless=true as the first non commented line in catalina.sh. I also tried it in my init.d/tomcat41 directory. When it was in my catalina.sh file I got and error, JAVA_OPTS: command not found. What am I doing wrong? Where do I set JAVA_OPTS or CATALINA_OPTS? //Ukiah On Fri, Feb 27, 2004 at 05:42:38PM -0500, Asim Alp wrote: I think you have to set the JAVA_OPTS environmental variable. Asim On Feb 27, 2004, at 5:48 PM, Ukiah Smith wrote: I am using an application that requires me to run it with a custom property (-Djava.awt.headless=true). I poked around in my tomcat 4.1.29 installation and found that in the catalina.sh file there was an CATALINA_OPTS variable. I tried to set it at a few different places in the catalina.sh file. The all resulted in catalina.sh: CATALINA_OPTS: command not found. So my question is how can I get tomcat to run with the property -Djava.awt.headless=true? Thanks //Ukiah Smith - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] -- http://www.societyofno.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - Do you Yahoo!? Get better spam protection with Yahoo! Mail
Re: Tomcat heap vs. java.exe
Hello, If I were you, I'd load test your site first before going to production. As you pointed out, you cannot afford to stop your production server or hang it with OutOfMemory errors. This is good advice. Load testing is generally easy to do in development, and hard to recover from if you don't do it, once you're in prod. You can get jvm dumps on windows by turning on the -verbosegc. This will dump out stack traces repeatedly without exiting the JVM. I don';t think this is accurate. '-verbosegc' only logs the GC activity to the stdout or stderr or whatever. It does not generate stack traces for you. CTRL-BREAK on win32 gives you a full thread-dump. This will give you a stack trace for any running thread, as well as information about it's state (runnable, waiting on monitor, sleeping, etc.). This can be valuable when your application is not responding in timely way. If you're thrashing or getting LOTS and lots of GC activity, your memory settings might be off. On the other hand, if you have horrible code, you can never recover from that, even with a dual-cpu box ith a gig of ram :) -chris signature.asc Description: OpenPGP digital signature
