Replicating session across applications
Hi, I use Tomcat 5.0.19 under Windows 2000 and have different applications running on one tomcat instance. When I set a session variable in one application it does not appear in the other applications. Is there an easy way to achive that? Thanks Bernhard Slominski Technical Project Manager zooplus AG Eichenweg 4 RG. 85774 Unterföhring Tel + 49. 89. 95 00 6 - 129 Fax + 49. 89. 95 00 6 - 500 mailto:[EMAIL PROTECTED] http://www.zooplus.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Memory Leak
Hi, I had a simalar problem when not closing database related stuff (connections, resultsets, statemnts). Does that apply to your application maybe? Cheers Bernhard -Ursprüngliche Nachricht- Von: Chanan Braunstein [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 15. April 2004 16:27 An: 'Tomcat Users List' Betreff: Memory Leak Hello, I am having a problem with Tomcat 5.0.19 on windows with JDK 1.4.2_02. The memory that java.exe is using keeps growing till the point that tomcat stops responding. Using a profiler, doesn't seem to give me any clues. I can see the memory being used by certain classes go up (mainly char[]) and even reach all the way to the point that used java heap equals to the java heap, but then GC kicks in and drops down back to where it was when I started the test. However, the memory in the task manager keeps going up. For example right now it is at 717,000 K, even though the heap used is at about 200,000 K. What am I missing here? My current params are -server -Xrs -Xms356M -Xmx356M - I tried all kinds of different sizes for the memory but that doesn't really help. Any suggestions as to where (how) to look to find my memory leak? Chanan Braunstein Knovel Corp. Web Development Manager 607-773-1840 x672 http://www.knovel.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Tomcat 5, cross context problem
Hi, I posted the same question, and didn't get an answer, so I just did some research on my own: First of all the session is ALWAYS on application scope, this is not an Tomcat specific behaviour but a requirement of the Specification: SRV.7.3 Session Scope HttpSession objects must be scoped at the application (or servlet context) level. The underlying mechanism, such as the cookie used to establish the session, can be the same for different contexts, but the object referenced, including the attributes in that object, must never be shared between contexts by the container. So there is no way around this, if the sessions were relicated across the applications it would violate the specification. When you enable crossConext for your application: Context crossContext=true docBase=testapp path=/testapp reloadable=true /Context you can get the context for another application: ServletContext context2 = context.getContext(/testapp); and set attributes: context2.setAttribute(test,JSP is great!); But you cannot get to the session in the other application. So what you can do is implement the session swapping on your own (Cookies, via the Database) or merge your applications into one. Some links from the Sun Forums: http://forum.java.sun.com/thread.jsp?forum=33thread=259394 http://forum.java.sun.com/thread.jsp?forum=45thread=492484 http://forum.java.sun.com/thread.jsp?forum=33thread=318569 Please correct me, when I was wrong! Cheers Bernhard -Ursprüngliche Nachricht- Von: Rainald Suchan [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 16. April 2004 11:50 An: [EMAIL PROTECTED] Betreff: Tomcat 5, cross context problem Hi, I have 2 web applications, a JSP and a Servlet, that are in differed contexts. For both I have set cross context to true. In the JSP I put some attributes in the session and use a RequestDispatcher and call the include() function to pass the request to the servlet. In the servlet I get these attributes out of the session and put some other attributes in the session. After returning to the JSP I get these new attributes again out of the session. This all works ok with Tomcat 4. But now I tried this with Tomcat 5.0.16 and the session passed between the two webapps don't have the attributes in it any more in the other context. That means If I put an attribute in the JSP in the session and get this session back in the Servlet then this session doesn't contain my attribute any more. Is that a known issue with Tomcat 5? Does anybody have a solution for this problem? Regards Rainald - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Tomcat 5 : java.lang.OutOfMemoryError
Maybe your query just returns too much results, because sometimes copies a part of the data locally to your client and does the query processing there, so for a serious Web Apllication Access is definitly the wrong choice, consider using either SQL Server or maybe MySql. Cheers Bernhard -Ursprüngliche Nachricht- Von: Francesco Pellegrini [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 20. April 2004 12:05 An: Tomcat-User-ML Betreff: Tomcat 5 : java.lang.OutOfMemoryError Hi all, I have Tomcat 5.0.18 with one java web application and database Access 2000. When one Servlet/JSP try to make heavy query to database, tomcat shows this error message : HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception javax.servlet.ServletException org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextI mpl.java:867) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImp l.java:800) org.apache.jsp.pannelli.telematica.visconsumi_jsp._jspService(visconsumi_jsp .java:789) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:3 11) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248) javax.servlet.http.HttpServlet.service(HttpServlet.java:856) root cause java.lang.OutOfMemoryError -- I've tried to modify the catilina.bat file, increased start memory by set : set CATALINA_OPTS= -server -Xmx1200M -Xms1200M -Xss256k but i still having the same problem How can I solve it? Thans in advance for your kind attention, Francesco. - 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]
session-config session-timout value from web.xml
Hi, Is it possible, to extract the value that is is the web.xml file for session timeout into my JSP page session-config session-timeout 5 /session-timeout /session-config I want to get the 5 minutes into the JSP page so I can use it for some information. Thanks for your help! Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: session-config session-timout value from web.xml
Thanks a lot, works! -Ursprüngliche Nachricht- Von: Daniel Gibby [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 21. April 2004 16:37 An: Tomcat Users List Betreff: Re: session-config session-timout value from web.xml Just follow your nose! ... I mean, the spec... It always knows! session.getMaxInactiveInterval() is I believe the right thing to call... look at the docs to be sure which method you should be calling. Bernhard Slominski wrote: Hi, Is it possible, to extract the value that is is the web.xml file for session timeout into my JSP page session-config session-timeout 5 /session-timeout /session-config I want to get the 5 minutes into the JSP page so I can use it for some information. Thanks for your help! Bernhard - 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]
AW: How to run servlet for every 30 minutes in Tomcat 4.1.30
Hi, you can use something like HTTPUnit which just calls the web page with your servlet. Can can easiliy schedule the HTTPUnit Job, so it runs every 30mins. Cheers Bernhard -Ursprüngliche Nachricht- Von: Shilpa Nalgonda [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 21. Dezember 2004 16:44 An: Tomcat Users List Betreff: How to run servlet for every 30 minutes in Tomcat 4.1.30 Hi, I am using Tomcat4.1.30 version. I have to develop a client application which looks in the database every 30 minutes, to retrieve the status of an order and send the status to the remote client. Again waits for the The client's response and insert the repsonse back to the database. I wanted to do this in a servlet, so is there any way that i could run this servlet automatically inside the Tomcat container, or is it configurable in servlet mapping? if so can someone please suggest me with examples... - 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]
AW: Tomcat 5.0.28 exiting randomly
Hi Greg, we had simalar problems and couldn't find out the exact reason. We solved it by just making an automated nightly restart of Tomcat. It's maybe just running out of memory after some time. Cheers Bernhard -Ursprüngliche Nachricht- Von: Greg Lappen [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 13. Januar 2005 01:30 An: Tomcat Users List Betreff: Tomcat 5.0.28 exiting randomly Hello- I have been tracking down this problem for a while now and finally have some more information. I am using Tomcat 5.0.28 on RedHat EL 3.0 with JDK 1.4.2_06 and we occasionally find that Tomcat is no longer running in our production server. It runs fine for days, then suddenly the java process disappears. I initially thought the JVM was crashing, but could not find any core files or log messages. Then someone suggested to me that I install a shutdown hook with Runtime.addShutdownHook to see if somewhere System.exit() is being called. Well, it turns out that it is. Unfortunately, I don't think I can tell in my shutdown hook where the System.exit() call occurred. I have reviewed our application code numerous times looking for System.exit() calls and have not found any. Is it possible that it is coming from Tomcat itself, or someone is able to issue a shutdown command externally somehow? Greg - 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]
Connections not released during reload
Hi, I'm using the following conmfiguration: - tomcat 5.0.28 - Windows 2000 - Oracle 9i database on Sun Solaris I'm using the Tomcat connection pooling dbcp and have the following problem. When reloading the applcation, the open connections are not released and just stay open on the database forever. These connections never die, even though the configuration to remove dead connections is enabled. I then get a whole set of new connections for the reloaded application. Seems the reference to the old connections is just lost. This only happens when reloading the application, not during stop/start. Is there a way to fix this (except stop/start of course :-)) Thanks Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: session across webapps
Hi Huu, First of all the session is ALWAYS on application scope, this is not an Tomcat specific behaviour but a requirement of the Specification: SRV.7.3 Session Scope HttpSession objects must be scoped at the application (or servlet context) level. The underlying mechanism, such as the cookie used to establish the session, can be the same for different contexts, but the object referenced, including the attributes in that object, must never be shared between contexts by the container. So there is no way around this, if the sessions were relicated across the applications it would violate the specification. When you enable crossConext for your application: Context crossContext=true docBase=testapp path=/testapp reloadable=true /Context you can get the context for another application: ServletContext context2 = context.getContext(/testapp); and set attributes: context2.setAttribute(test,JSP is great!); But you cannot get to the session in the other application. So what you can do is implement the session swapping on your own (Cookies, via the Database) or merge your applications into one. Some links from the Sun Forums: http://forum.java.sun.com/thread.jsp?forum=33thread=259394 http://forum.java.sun.com/thread.jsp?forum=45thread=492484 http://forum.java.sun.com/thread.jsp?forum=33thread=318569 Cheers Bernhard -Ursprüngliche Nachricht- Von: Kieu Huu Dung [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 13. Januar 2005 12:35 An: Tomcat Users List Betreff: session across webapps Hi all, I prefer one (only one) session for all webapps (Tomcat 5.0.28 and I've turned on SingleSignOn - user login once for all webapps) or how can I know user is in the same session between the login and logout when he/she is in differents webapps. Does anyone know is it possible or not? If possible how can we do it? If not, is there another way to share informations between webapps? Thanks for your help, Huu Dung Kieu. __ Do you Yahoo!? The all-new My Yahoo! - Get yours free! http://my.yahoo.com - 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]
AW: Connections not released during reload
Antony, thanks a lot, that's a very good idea and should fix it definitly! Cheers Bernhard -Ursprüngliche Nachricht- Von: Antony Paul [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 13. Januar 2005 11:56 An: Tomcat Users List Betreff: Re: Connections not released during reload Write a ServletContextLlistener and in its contextDestroyed() method use the shutdown() method of the DBCP pool to close connections. rgds Antony Paul On Thu, 13 Jan 2005 11:37:22 +0100, Bernhard Slominski [EMAIL PROTECTED] wrote: Hi, I'm using the following conmfiguration: - tomcat 5.0.28 - Windows 2000 - Oracle 9i database on Sun Solaris I'm using the Tomcat connection pooling dbcp and have the following problem. When reloading the applcation, the open connections are not released and just stay open on the database forever. These connections never die, even though the configuration to remove dead connections is enabled. I then get a whole set of new connections for the reloaded application. Seems the reference to the old connections is just lost. This only happens when reloading the application, not during stop/start. Is there a way to fix this (except stop/start of course :-)) Thanks Bernhard - 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]
AW: Long running requests and timeouts?
Hi Andrzej, one possible workaround is compress the output, so the response is compressed with zip compresseion and your response gets shorter. You need a response filter for that, if this is an option an you need more details let me know. Cheers Bernhard -Ursprüngliche Nachricht- Von: Andrzej Jan Taramina [mailto:[EMAIL PROTECTED] Gesendet: Montag, 17. Januar 2005 16:25 An: tomcat-user@jakarta.apache.org Betreff: Long running requests and timeouts? I have a situation where some requests that get sent to Tomcat are very long running (basically batch operations). I've been testing with a request that takes just over 7 minutes to process and returns and XML document as a response. The problem I'm having is that the response gets truncated. It's always truncated at a consistent spot (3207 characters for some reason, that's what Firefox reports). Shorter running requests don't truncate anything, regardless of how long the response might be. I'm running Tomcat 5.0.28 and my Connector in the Tomcat server.xml file looks like: Connector port=80 maxThreads=150 minSpareThreads=25 maxSpareThreads=75 enableLookups=false redirectPort=8443 acceptCount=100 debug=0 connectionTimeout=2 disableUploadTimeout=true / Is the connectionTimeout value the one that might be contributing to this behaviour? Are there any other timeout settings that might affect this? Thanks! Andrzej Jan Taramina Chaeron Corporation: Enterprise System Solutions http://www.chaeron.com - 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]
Reloading an application via command line
Hi, for an automated build process I want to reload an application via command line, is this possible? The possibilties I found out so far were: - ant script - using the tomcat manager Thanks Bernhard Slominski - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Forum instead of mailist!!
These autoreply is really annoying, but it can easily happen if you forget to unsubscribe, before leaving on holiday That's why I vote for a forum instead of a mailist! Does anyone agree? Cheers Bernhard -Ursprüngliche Nachricht- Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Gesendet: Montag, 11. Oktober 2004 16:59 An: Tomcat Users List Betreff: AutoReply: Tomcat 4 as an NT Service Hello Tomcat Users List [EMAIL PROTECTED], This refers to your mail with subject as Tomcat 4 as an NT Service. Thank you for sending your CV and registering with A.S. Consultancy Services. Our team will review your CV and match it against current requirements. If your profile matches with any ongoing opening, we will contact you by telephone / email. We recommend that you update your profile and send us an updated CV whenever your contact details or your career path changes, so that your record is up-to-date with us. Please be assured that your CV will remain confidential with us and we will submit your profile to our clients only after due consultation with you. In case you require any further information please do contact us. with warm regards, Staffing Team A.S. Consultancy Services #1205, 2nd Main, 2nd Cross, Vijayanagar, Bangalore - 560040, India Tele - 91 80 2310 9012, Telefax - 91 80 2330 5364, Email - [EMAIL PROTECTED] URL: www.asconsultancy.com - 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]
AW: Not able to run .html and servlet in Tomcat 5
If you use it together with Apache it may be an Apache configuration problem -Ursprüngliche Nachricht- Von: Vivek Behal [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 29. September 2004 11:41 An: Tomcat Users List Betreff: RE: Not able to run .html and servlet in Tomcat 5 yes. it is stable version 5.0.28. Regards, Vivek Behal. The only thing that stands between a man and what he wants from life is often merely the will to try it and the faith to believe that it is possible -Original Message- From: Ben Souther [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 29, 2004 3:07 PM To: Tomcat Users List Subject: Re: Not able to run .html and servlet in Tomcat 5 Tomcat 5.0 or tomcat 5.5? If you're just starting out, go with a stable version (5.0.28). This tutorial should get you started: http://jakarta.apache.org/tomcat/tomcat-5.0-doc/appdev/index.html A static HTML page should show just fine. What is the name of the page? What are you typing in your browser's address window? Remember, the address (after the domain) is case sensitive. On Wed, 2004-09-29 at 05:00, Vivek Behal wrote: Hi, I downloaded tomcat 5. I added a .html file to the webapps/Root folder but as i try to access it, gives me error with status 404. i.e the tomcat is not able to locate the file. Could you tell me what should i do to make it work. I deployed a .class file in webapps/Root/WEb-INF/classes folder which was actually a servlet file . Tomcat is not able to access that also. So every tiems it gives me page not found error when i try to access it. Could you suggets me some way Regards, Vivek Behal. - 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]
AW: JSP compile hangs
Hi Eric,
did you check the generated code?
Maybe from the code you see what might be the problem.
Another possible solution is wrting your own EL function which replaces the
nested calls.
Cheers
Bernhard
-Ursprüngliche Nachricht-
Von: Eric Blenkush [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 19. Oktober 2004 08:27
An: [EMAIL PROTECTED]
Betreff: JSP compile hangs
Hi,
On Tomcat 5.5.2 I am experiencing very long compile times(and hangs)
for certain JSP pages. The page has an EL expression like this:
${fn:toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:
toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:
toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:
toUpperCase((fn:toUpperCase((fn:toUpperCase((fn:
toUpperCase(('b'}
If you remove the extraneous parenthesis it will compile and execute
very quickly. However, if you add more nested calls to fn:toUpperCase
compiling will again take a very long time. So, this may be related to
the number of nested expressions. This is just a test case obviously
but I am generating JSPs automatically and it is difficult if not
impossible to avoid EL statements with these nested function calls.
Resin can compile and execute these pages with ease but I want to stick
with Tomcat.
Anyone know why this is so slow and how to fix it?
Thanks,
Eric Blenkush
-
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AW: Deny access to a JSP page
Hi, I think the easiest way is to add a security contsraint in you web.xml of you web application: web app... security-contraint web-resources-collection web-resource-nameTest/web-resource-name url-pattern/myjsps/*/url-pattern /web-resources-collection auth-contsraint/ security-contraint ... /web app this will block all reuqests to the folder /myjsps You can also block certain http methods or allow access th certain users, check the spec for more details. Cheers Bernhard -Ursprüngliche Nachricht- Von: apuerta.foros [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 1. Februar 2005 20:23 An: tomcat-user@jakarta.apache.org Betreff: Deny access to a JSP page Hi all. I'd like Tomcat to deny access to some JSPs with internal information. I can configure Apache to deny access depending on the user IP, transparently. I'd like to do the same in Tomcat, but i don't now how. Any idea? Thanks. - 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]
AW: JasperException while running JSP
Hi, in Tomcat Version 5.5.4 there is a bug in the JSP Compiler Jasper, it sometiems looses the classpath (Bug: http://issues.apache.org/bugzilla/show_bug.cgi?id=32330) This is fixed in 5.5.7. So there are two ways to fix it: 1. Restart Tomcat 2. Upgrade to 5.5.7 Cheers Bernhard -Ursprüngliche Nachricht- Von: U K Laxmi [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 18. Februar 2005 04:27 An: tomcat-user@jakarta.apache.org Betreff: JasperException while running JSP I have integrated tomcat 5.5 with apache 2 successfully and i could able to run sample JSPs. Now i created a jsp page which will inititate a Java program called TestSQLLoad.java. TestSQLLoad.java talks to Ms Access database and gets me reuired fields from databasae and it will be displayed on browser thro' JSP page test-db.jsp. I'm using Netscape 7.2 browser. When i run test-db.jsp after running tomcat apache, it gives JasperException. It's saying - TestSQLLoad cannot be resolved or is not a type. I created jar file with TestSQLLoad.java TestSQLLoad.class and put it in TOMCAT_ROOT/webapps/web/WEB-INF/classes directory as well as TOMCAT_ROOT/common/lib directories. Thinking that class loader is unable to find the class, i put the above directories in my class path as well. Where i'm going wrong? What's happenning. Pls help. Here is the exception that's displayed on the browser. org.apache.jasper.JasperException: Unable to compile class for JSP An error occurred at line: 7 in the jsp file: /JSP/test-db.jsp Generated servlet error: TestSQLLoad cannot be resolved or is not a type An error occurred at line: 7 in the jsp file: /JSP/test-db.jsp Generated servlet error: TestSQLLoad cannot be resolved or is not a type org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandle r.java:84) org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:3 28) org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:397) org.apache.jasper.compiler.Compiler.compile(Compiler.java:288) org.apache.jasper.compiler.Compiler.compile(Compiler.java:267) org.apache.jasper.compiler.Compiler.compile(Compiler.java:255) org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:5 56) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2 96) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) __ Do you Yahoo!? Meet the all-new My Yahoo! - Try it today! http://my.yahoo.com - 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]
AW: Getting other Sessions
Hi, HttpSession.getAttributeNames() should do what you want! From the javadoc: getAttributeNames public java.util.Enumeration getAttributeNames() Returns an Enumeration of String objects containing the names of all the objects bound to this session. Cheers Bernhard -Ursprüngliche Nachricht- Von: Joseph Shraibman [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 23. Februar 2005 05:18 An: tomcat-user@jakarta.apache.org Betreff: Getting other Sessions I want to make an admin page in my application. I needs to be able to get access to all the current Session objects to access their attributes. Is this possible? - 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]
AW: Getting other Sessions
Hi Matt, Joseph, you're right, I was not reading Joseph's question properly, I thought he want wants all objects IN the session. I also can't think of another solution than Antony mentioned earlier. Bernhard -Ursprüngliche Nachricht- Von: Dale, Matt [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 23. Februar 2005 10:25 An: Tomcat Users List Betreff: RE: Getting other Sessions Hi, That doesn't answer Joseph's question. It tells him how to access the objects in his own session but not how to access other peoples sessions. I would be interested to see how this is done as well. Ta Matt -Original Message- From: Bernhard Slominski [mailto:[EMAIL PROTECTED] Sent: 23 February 2005 09:17 To: 'Tomcat Users List' Subject: AW: Getting other Sessions Hi, HttpSession.getAttributeNames() should do what you want! From the javadoc: getAttributeNames public java.util.Enumeration getAttributeNames() Returns an Enumeration of String objects containing the names of all the objects bound to this session. Cheers Bernhard -Ursprüngliche Nachricht- Von: Joseph Shraibman [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 23. Februar 2005 05:18 An: tomcat-user@jakarta.apache.org Betreff: Getting other Sessions I want to make an admin page in my application. I needs to be able to get access to all the current Session objects to access their attributes. Is this possible? - 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]
AW: possibly stupid question
Hi,
we use this instructions to log to a file. Sounds a bit complicated, but
should work:
Follow the following steps to setup a file named tomcat.log that has
internal Tomcat logging output to it:
1. Create a file called log4j.properties with the following content and
save it into common/classes.
2.
log4j.rootLogger=warn, R
log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=${catalina.home}/logs/tomcat.log
log4j.appender.R.MaxFileSize=10MB
log4j.appender.R.MaxBackupIndex=10
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern= ?p ?t ?c - ?m?n
log4j.logger.org.apache.catalina=DEBUG, R
3. The log4j.jar and commons-loggin.jar will be put into your
$CATALINA_HOME/common/lib when you get the latest version of the
website_config libs (towards the end of this setup).
4. Install Commons Logging and place the commons-logging.jar (not
commons-logging-api.jar) in $CATALINA_HOME/common/lib with the log4j jar.
5. Start Tomcat
This log4j configuration sets up a file called tomcat.log in your Tomcat
logs folder with a maximum file size of 10MB and up to 10 backups. DEBUG
level is specified which will result in the most verbose output from Tomcat.
-Ursprüngliche Nachricht-
Von: news [mailto:[EMAIL PROTECTED] Auftrag von teknokrat
Gesendet: Mittwoch, 30. März 2005 11:54
An: tomcat-user@jakarta.apache.org
Betreff: possibly stupid question
I am running tomcat 5.5 on windows XP. There is no catalina.out file
being produced. Is this usual? How do i get a file of of everything
going to stdout?
thanks
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JSP precompilation, jspc, NullPointerException
Hi,
I try to get the precompilation working with tomcat 5.5.7 under Windows NT.
I use the following target:
target name=jspc
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
/classpath
/taskdef
jasper2
validateXml=false
uriroot=${webapp.path}
webXmlFragment=${webapp.path}/WEB-INF/generated_web.xml
outputDir=${webapp.path}/WEB-INF/src /
/target
And I'm getting a NullPointer Exception (see below), looks like the Jasper
cannot be created.
Anyone has a clue why this happens?
Thanks for your help
Bernhard
jspc:
[jasper2] java.lang.NullPointerException
[jasper2] at
org.apache.jasper.JspCompilationContext.createCompiler(JspCom
pilationContext.java:220)
[jasper2] at org.apache.jasper.JspC.processFile(JspC.java:847)
[jasper2] at org.apache.jasper.JspC.execute(JspC.java:989)
[jasper2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
[jasper2] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcces
sorImpl.java:39)
[jasper2] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMet
hodAccessorImpl.java:25)
[jasper2] at java.lang.reflect.Method.invoke(Method.java:585)
[jasper2] at
org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:123
)
[jasper2] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.ja
va:275)
[jasper2] at org.apache.tools.ant.Task.perform(Task.java:364)
[jasper2] at org.apache.tools.ant.Target.execute(Target.java:341)
[jasper2] at org.apache.tools.ant.Target.performTasks(Target.java:369)
[jasper2] at
org.apache.tools.ant.Project.executeTarget(Project.java:1214)
[jasper2] at
org.apache.tools.ant.Project.executeTargets(Project.java:1062
)
[jasper2] at org.apache.tools.ant.Main.runBuild(Main.java:673)
[jasper2] at org.apache.tools.ant.Main.startAnt(Main.java:188)
[jasper2] at
org.apache.tools.ant.launch.Launcher.run(Launcher.java:196)
[jasper2] at
org.apache.tools.ant.launch.Launcher.main(Launcher.java:55)
BUILD FAILED
D:\work\jspdeploy2\precompile.xml:25: org.apache.jasper.JasperException
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AW: How to Deploy Replacement War
Hi Scott, it's quite easy: you just have to copy the war-file across in your webapps root. Tomcat picks up the war file automatically and redeploys your application. You don't have to mess around with the manager app. It normally only takes a few seonds. Depending on your configuration after some redeploys you might get some memory problems, so if possible you should restart you Tomcat periodically, like every night. Cheers Bernhard -Ursprüngliche Nachricht- Von: Scott Purcell [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 13. April 2005 17:46 An: tomcat-user@jakarta.apache.org Betreff: How to Deploy Replacement War Hello, I deployed a war file for a new project a couple of weeks back. The war extracted, and the manager saw it, and all is good. But now I need to replace that webapp, with a new war file. Now the other day, I went to the manager, undeployed the webapp, turned off Tomcat and deleted the webapp folder. Then I put the war file under webapps and restarted the server. But things got screwey and I had to repeat this a couple of times, and also turn Tomcat off in order to remove the libs. Anyway, what is the proper protocol on how to properly replace a webapp with a new war. Thanks, Scott K Purcell - 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]
Precompilation of tag files
Hi, after getting the jsp precompilation finally working, I want also want to do the precompliation for tag files. I'm using tomcat 5.5.7 on both Windows 2000 and Sun Solaris. So something like this: %@ taglib prefix=mytag tagdir=/WEB-INF/tags % mytag:header/ The precompilation task generates servlets and servlet mappings in the web.xml. The jasper2 task also creates the servlet and even the class file for the tag file. But I don't see a chance to do the mapping to the compiled tag file servlet in the web.xml. Any ideas about this? Thanks Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Compiling JSP files
Hi Charles,
what you can do is to use an ant task for do the precompilation.
This is a bit smarter than via the command line I guess.
The docu is under
http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jasper-howto.html#Web%20Appl
ication%20Compilation
It's not very well documented, it took me a while to finally get it working,
but it's working fine for me now.
So if you want to give it a try, I can give you some further assistance, if
needed.
Cheers
Bernhard
-Ursprüngliche Nachricht-
Von: Charles P. Killmer [mailto:[EMAIL PROTECTED]
Gesendet: Dienstag, 24. Mai 2005 15:47
An: Tomcat Users List
Betreff: Compiling JSP files
I am having a problem where one of my jsp files won't compile. Tomcat
successfully creates the java file but it never creates the class file
and hence never responds to the request for the page.
I am looking for what needs to be in the command line in order to
manually compile the java file the gets created in order to look for
errors in that process.
This is what I have so far but I am getting errors.
c:\jdk1.5.0\bin\javac -classpath
%CLASSPATH%;C:\tomcat\work\Catalina\Site1\_;C:\tomcat\common\l
ib\servlet
.jar test_jsp.java
Errors:
test_jsp.java:5: package javax.servlet.jsp does not exist
import javax.servlet.jsp.*;
^
test_jsp.java:8: package org.apache.jasper.runtime does not exist
public final class test_jsp extends
org.apache.jasper.runtime.HttpJspBase
^
test_jsp.java:9: package org.apache.jasper.runtime does not exist
implements org.apache.jasper.runtime.JspSourceDependent {
^
Thanks
Charles
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AW: Validation Frame work
I agree with Steve, but there is a much simpler possibility that the JS validation does not work: The user can just switch it off in the browser. This might not be just to bypass validation, but maybe just for security reasons, so for a business critical apllications I'd discourage anyone from using it, if you have something like a guestbook, and the validation fails and you end up with something like an entry without email address, so what. Bernhard -Ursprüngliche Nachricht- Von: Steve Kirk [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 24. Mai 2005 20:02 An: 'Tomcat Users List' Betreff: RE: Validation Frame work David is right, JS and serverside validation perform different roles. To expand on his comment a bit more, remember that the requests that your webapp receives could be sent by any HTTP client, not necessarily by a friendly web browser. If someone were so inclined, they could write their own HTTP client to interact with your webapp, that aimed to deliberately submit bad data to your servlet, in which case your JS validation would have been bypassed. What they can't do is bypass your serverside validation (or at least this is much harder). Just one trick that such nasty people might try is to insert JS code in any form fields that you let them create or edit. If this field data is then displayed in other pages of your app, this might cause anyone viewing that page on your site to download a trojan/virus/etc. It's really very easy to do. And this is only one such exploit. There are many others. -Original Message- From: David Smith [mailto:[EMAIL PROTECTED] Sent: Tuesday 24 May 2005 16:19 To: Tomcat Users List Subject: Re: Validation Frame work Because you should never trust the client. They may not be submitting from your form. Javascript is just a nicety to save the user a whole request/response cycle just to find out a field is missing or wrong. Consider it a security issue. -- David raja buddha wrote: Hi all In struts why do we need validation frame work we have java script to do validations. Is there any extra advantage of using the validation frame work raj _ On the road to retirement? Check out MSN Life Events for advice on how to get there! http://lifeevents.msn.com/category.aspx?cid=Retirement - 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]
AW: jspServlet runs out of memory while compiling some jsp files using fork=true
Hi, I would suggest that you do a precompilation of your jsps on a deployment machine which is separate from the live machine. So your compilation is not done on the live server, which might be on heavy load. Also you don't have the problem that the first visitor has to wait an awful long time until the page get's displayed. Cheers Bernhard -Ursprüngliche Nachricht- Von: Vesa Varimo [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 27. Mai 2005 12:45 An: tomcat-user@jakarta.apache.org Betreff: jspServlet runs out of memory while compiling some jsp files using fork=true Hi, I'm having OutOfMemory error while Tomcat tries to compile jsp files. The problem occures few times in day so it's quite hard to repeat. Tomcat is configured to run javac in separate JVM with fork=true option. I tried to give more memory for ant using ANT_OPTS, but it didn't help. I read source code for the jasper compiler and there are variables that configure how much memory is given to ant, but I'm not able to configure them with jspServlet init parameters. How should I resolved this? Is the Jikes compiler a solution worth of trying? Stacktrace included below. I have hundreds of jars in classpath... so I can't paste the whole compiler output. BR, Vesa Varimo [EMAIL PROTECTED] -- -- 2005-05-26 21:42:53 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError May 7, 2005 12:21:42 PM org.apache.jasper.compiler.Compiler generateClass SEVERE: Javac exception Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:944) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:764) at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:379) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439) at org.apache.jasper.JspCompilationContext.compile(JspCompilation Context.java:511) at org.apache.jasper.servlet.JspServletWrapper.service(JspServlet Wrapper.java:295) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet .java:292) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236) at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilt er(ApplicationFilterChain.java:237) at org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli cationFilterChain.java:157) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardW rapperValve.java:214) - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: jspServlet runs out of memory while compiling some jsp files using fork=true
Hi, I think it happens randomly because it depends on the actual load on the server. Where there is not much traffic it's OK, but with more traffic the server runs out of memomry. I see your point that you cannot control the webmasters. But still with the problems you have and the obvious very big application with 1 lines in a JSP (this must we a horror to maintain the code) and hundreds of jars you should have a proper deployment process and not just copying JSPs across. It does not mean that it's more complicated, I implemented this in my company with an ant script and it's really simple, stable and secure. Nobody want's to go back to the old copy solution. Cheers Bernhard -Ursprüngliche Nachricht- Von: Vesa Varimo [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 27. Mai 2005 14:59 An: Tomcat Users List Betreff: Re: jspServlet runs out of memory while compiling some jsp files using fork=true Hi, no the webapp is running whole time without redeployments. The jsp pages are quite large, 5000-1 rows and there are many of them. Can this affect to memory usage of javac compiler? This is a strange problem, because sometimes these same pages compile just fine, sometimes they don't. Thx, Vesa - Original Message - From: Steve Kirk [EMAIL PROTECTED] To: 'Tomcat Users List' tomcat-user@jakarta.apache.org Sent: Friday, May 27, 2005 3:32 PM Subject: RE: jspServlet runs out of memory while compiling some jsp files using fork=true Is the problem caused because you redeploy the whole webapp each time? Could you just deploy only those files that have changed? I can't imagine that this leads to overloading unless the numbers are massive...? -Original Message- From: Vesa Varimo [mailto:[EMAIL PROTECTED] Sent: Friday 27 May 2005 13:34 To: Tomcat Users List Subject: Re: jspServlet runs out of memory while compiling some jsp files using fork=true Yes, that would be one solution, but not suitable for our case because our webmasters are constantly updating jsp pages on our production servers. Btw. I'm using tomcat 5.0.28. Thx, Vesa - Original Message - From: Bernhard Slominski [EMAIL PROTECTED] To: 'Tomcat Users List' tomcat-user@jakarta.apache.org Sent: Friday, May 27, 2005 3:25 PM Subject: AW: jspServlet runs out of memory while compiling some jsp files using fork=true Hi, I would suggest that you do a precompilation of your jsps on a deployment machine which is separate from the live machine. So your compilation is not done on the live server, which might be on heavy load. Also you don't have the problem that the first visitor has to wait an awful long time until the page get's displayed. Cheers Bernhard -Ursprüngliche Nachricht- Von: Vesa Varimo [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 27. Mai 2005 12:45 An: tomcat-user@jakarta.apache.org Betreff: jspServlet runs out of memory while compiling some jsp files using fork=true Hi, I'm having OutOfMemory error while Tomcat tries to compile jsp files. The problem occures few times in day so it's quite hard to repeat. Tomcat is configured to run javac in separate JVM with fork=true option. I tried to give more memory for ant using ANT_OPTS, but it didn't help. I read source code for the jasper compiler and there are variables that configure how much memory is given to ant, but I'm not able to configure them with jspServlet init parameters. How should I resolved this? Is the Jikes compiler a solution worth of trying? Stacktrace included below. I have hundreds of jars in classpath... so I can't paste the whole compiler output. BR, Vesa Varimo [EMAIL PROTECTED] -- -- 2005-05-26 21:42:53 StandardWrapperValve[jsp]: Servlet.service() for servlet jsp threw exception java.lang.OutOfMemoryError May 7, 2005 12:21:42 PM org.apache.jasper.compiler.Compiler generateClass SEVERE: Javac exception Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:944) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:764) at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:379) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:472) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:451) at org.apache.jasper.compiler.Compiler.compile(Compiler.java:439) at org.apache.jasper.JspCompilationContext.compile(JspCompilation Context.java:511) at org.apache.jasper.servlet.JspServletWrapper.service(JspServlet Wrapper.java:295) at org.apache.jasper.servlet.JspServlet.serviceJspFile
AW: Reloadable Hangs
Hi, the thread death is caused by log4j. You have to shutdown log4j when the context is destroyed: see http://issues.apache.org/bugzilla/show_bug.cgi?id=26372 for more details. Cheers Bernhard -Ursprüngliche Nachricht- Von: Ari Suutari [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 27. Mai 2005 13:53 An: tomcat-user@jakarta.apache.org Betreff: Re: Reloadable Hangs Hi, Context Reloadable == true When we compile .java into .class, Tomcat will not serve page anymore. We have to restart Tomcat inside Services or from the Monitor Tomcat menu. We have seen same here. Tomcat = 5.0.28 hangs, there seems to be a ThreadDeath exception sometimes when reload is going on. Environment is Windows XP and JDK 1.4.2. We have no problen with lower versions of Tomcat. I think that 5.0.25 used to work me. Aro S- - 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]
AW: jspServlet runs out of memory while compiling some jsp files using fork=true
Well the precompliation is quite simple:
You use an ant jasper task to make the java file from your jsp and then
compile these classes.
Then you do a mapping from the jsp to the class.
This is all done on a separate machine, I do the deployment as war file,
which is copied accross to the live machine.
It can all be done automatically.
Look at http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jasper-howto.html
I post you the code from my buildfile.
The only thing is that you have to reload your app when you do this, so that
might be a problem for you.
target name=jspc depends=get-properties-stage
mkdir dir=${webapproot}/src/
!-- define the jasper task --
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
/taskdef
!-- execute jasper, creates the servlet source files --
jasper2
validateXml=false
uriroot=${webapproot}${webappname}
webXmlFragment=${webapproot}${webappname}/WEB-INF/generated_web.xml
outputDir=${webapproot}/src /
!-- compile the source files --
javac destdir=${webapproot}${webappname}/WEB-INF/classes
optimize=off
debug=on failonerror=false
srcdir=${webapproot}/src
excludes=**/*.smap
classpath
pathelement
location=${webapproot}${webappname}/WEB-INF/classes/
pathelement
location=${tomcat.home}/common/classes/
pathelement
location=${tomcat.home}/shared/classes/
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/shared/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
include name=** /
exclude name=tags/** /
/javac
!-- Load your precompiled snippet into a property --
loadfile property=precompiled
srcFile=${webapproot}${webappname}/WEB-INF/generated_web.xml
encoding=ISO-8859-1/
!-- Now replace the web.xml with a predifined snippet --
replace file=${webapproot}${webappname}/WEB-INF/web.xml
value=${precompiled}
replacetoken![CDATA[!-- precompile include
--]]/replacetoken
/replace
/target
-Ursprüngliche Nachricht-
Von: Vesa Varimo [mailto:[EMAIL PROTECTED]
Gesendet: Freitag, 27. Mai 2005 15:16
An: Tomcat Users List
Betreff: Re: jspServlet runs out of memory while compiling some jsp
files using fork=true
Hmh.. how does you deployment script work? Do you compile jsp
pages in some
other server than the live server?
Well, I didn't write those pages :), I just have to live with
legacy code :D
Vesa
- Original Message -
From: Bernhard Slominski [EMAIL PROTECTED]
To: 'Tomcat Users List' tomcat-user@jakarta.apache.org
Sent: Friday, May 27, 2005 4:02 PM
Subject: AW: jspServlet runs out of memory while compiling
some jsp files
using fork=true
Hi,
I think it happens randomly because it depends on the actual
load on the
server.
Where there is not much traffic it's OK, but with more
traffic the server
runs out of memomry.
I see your point that you cannot control the webmasters.
But still with the problems you have and the obvious very
AW: Logging the HTTP headers
Hi Cristi, they are in the Apache Logfile anyway, why do you want to log them again? Bernhard -Ursprüngliche Nachricht- Von: cristi [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 2. Juni 2005 10:04 An: Tomcat Users List Betreff: Logging the HTTP headers Hello all Is there any posibility of logging the HTTP headers ? Thx. Cristi - 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]
war file disappears during deployment
Hi,
I have a very strange phenomenon:
When I do a hot deployment of my application via war file, my application
disappears sometimes!
I'm using Tomcat 5.5.7 on Sun Solaris 7.
I post you my ant script, which I'm using.
As you can image, this is not very nice in a production environment. I try
to fix it by first stopping the application and then copying the war file
accross, but it's still the same.
You see some backup stuff in the antscript, maybe that's what's causing it,
but we need it, so the only solution, which I see is to stop and start
Tomcat, but that's not really acceptable in a 24xt environment.
target name=deploy
!-- build number --
buildnumber file=${backup}/${webappname}.number/
!-- copy the warfile to the backup directory --
copy file=${wars}/live/${webappname}.war
tofile=${backup}/${webappname}_${build.number}.jar/
!-- copy the remote file to the backup directory --
scp
file=${adminremoteuser}:[EMAIL PROTECTED]:${remotedir}${w
ebappname}.war todir=${backup} trust=yes /
!-- rename it to .backup --
move file=${backup}/${webappname}.war
tofile=${backup}/${webappname}.backup.war /
!-- do (another) backup of the file from the live server
--
copy file=${backup}/${webappname}.backup.war
tofile=${backup}/${webappname}_${build.number}.backup.war /
!-- stop the application --
stop url=http://${adminremotehost}/manager;
username=${managerusername} password=${managerpassword}
path=/${webappname}/
!-- finally copy the war file to the remote server --
scp file=${wars}/live/${webappname}.war
todir=${adminremoteuser}:[EMAIL PROTECTED]:${remotedir}
trust=yes /
/target
Thanks for your help!
Bernhard
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Hot deployment - Your experience
Hi all, I'm working on a backoffice admin application on Tomcat (5.5.7, Sun Solaris 9). I try to do hot deployment via a war file, but it doesn't work at all for me. What I do is just to copy the war file across. The problems I got (happens randomly): - application including war file disappears - Randon error messages, like log4j exceptions occur, it's fine after restrating - Tomcat hangs up I just want to know if someone is using hot deployment and interested how you do it. Thank you Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Hot deployment - Your experience
Hi Dirk, thanks for your answer, that's a good point to look at. Maybe the auto-deployment feature was the problem, I try to switch it off and use the tomcat task. Bernhard -Ursprüngliche Nachricht- Von: Dirk Weigenand [mailto:[EMAIL PROTECTED] Gesendet: Montag, 13. Juni 2005 14:43 An: Tomcat Users List Betreff: Re: Hot deployment - Your experience Hi, --- Ursprüngliche Nachricht --- Von: Bernhard Slominski [EMAIL PROTECTED] An: 'Tomcat Users List' tomcat-user@jakarta.apache.org Betreff: Hot deployment - Your experience Datum: Mon, 13 Jun 2005 14:27:45 +0200 Hi all, I'm working on a backoffice admin application on Tomcat (5.5.7, Sun Solaris 9). I try to do hot deployment via a war file, but it doesn't work at all for me. What I do is just to copy the war file across. The problems I got (happens randomly): - application including war file disappears - Randon error messages, like log4j exceptions occur, it's fine after restrating - Tomcat hangs up I just want to know if someone is using hot deployment and interested how you do it. Thank you Bernhard i use the predefined task supplied with tomcat to deploy my application to tomcat. There are no problems using these tasks. regards, Dirk -- Geschenkt: 3 Monate GMX ProMail gratis + 3 Ausgaben stern gratis ++ Jetzt anmelden testen ++ http://www.gmx.net/de/go/promail ++ - 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]
AW: Use JSPC
Hi Mino,
just one thing to add to the very good answer from Charl:
I post you my ant sccript, which does all together precompiling and
automatic generation of the web.xml file.
You might take it as a basis for your stuff.
Cheers
Bernhard
!-- do the precompilation --
target name=jspc depends=get-properties-stage
mkdir dir=${webapproot}/src/
!-- define the jasper task --
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
/taskdef
!-- execute jasper, creates the servlet source files --
jasper2
validateXml=false
uriroot=${webapproot}${webappname}
webXmlFragment=${webapproot}${webappname}/WEB-INF/generated_web.xml
outputDir=${webapproot}/src /
!-- compile the source files --
javac destdir=${webapproot}${webappname}/WEB-INF/classes
optimize=off
debug=on failonerror=false
srcdir=${webapproot}/src
excludes=**/*.smap
classpath
pathelement
location=${webapproot}${webappname}/WEB-INF/classes/
pathelement
location=${tomcat.home}/common/classes/
pathelement
location=${tomcat.home}/shared/classes/
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/shared/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
include name=** /
exclude name=tags/** /
/javac
!-- Load your precompiled snippet into a property --
loadfile property=precompiled
srcFile=${webapproot}${webappname}/WEB-INF/generated_web.xml
encoding=ISO-8859-1/
!-- Now replace the web.xml with a predifined snippet --
replace file=${webapproot}${webappname}/WEB-INF/web.xml
value=${precompiled}
replacetoken![CDATA[!-- precompile include
--]]/replacetoken
/replace
/target
-Ursprngliche Nachricht-
Von: Charl Gerber [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 16. Juni 2005 11:24
An: Tomcat Users List
Betreff: Re: Use JSPC
If you have the generated java files, you can compile
them like any other java class (remember to setup your
classpath correctly, including some jars in the Tomcat
libraries).
Trickier to figure out first time round is to
dynamically create the web.xml settings. Every .jsp
now effectively becomes a servlet which needs to be
added to your web.xml. Using ant its all done
automatically, but getting it set up first time round
can be tricky.
Charl
--- Giacomino Raccuia [EMAIL PROTECTED]
wrote:
Hi,
I'd like to compile the JSP pages when I upload some
new files on server
(tomcat 4.0.3) . I use the utility JSPC, but this
generate only java
file but not the class file. I read that JRun has
JSPC with -compile
argument while my JSPC utilty doesn't have thi
argument.
Is possible to generate class file with tomcat and
JSPC? Or there is
another utility to use?
Thanks in advance.
Bye
Mino
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AW: JSP pre-compile and Apache
Well there is one big advantage when using precompiled JSPs: You're sure that all JSPs are compilable, so you don't get any compile errors on your live site. That gives your application more stability. Bernhard -Ursprngliche Nachricht- Von: Charl Gerber [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 17. Juni 2005 08:07 An: Tomcat Users List Betreff: Re: JSP pre-compile and Apache I have the precompiled JSP's working with Apache now. Thanks. Apart from the first-time-hit compilation penalty on a normal jsp (as apposed to a precompiled one), why would you choose one option above the other? Standard jsp is easier to do updates if you work in an unpacked war setup - you just change the file and it is updated. Precompiled you have to acctually precompile the file. But how about performance and other issues? I guess it depends on your application, but is there somewhere a good checklist to determine when to choose the one option over the other? --- Terence M. Bandoian [EMAIL PROTECTED] wrote: Have you granted the site accessClassInPackage runtime permission? -Terence M. Bandoian [EMAIL PROTECTED] I used to precompile my JSP's (which worked great and was a big time saver in testing), but since running Tomcat 4.1.31 together with Apache, all sorts of weird errors occurred. I remember reading somewhere that Apache expected the actual jsp file, not the compiled version. So I reverted back to *not* precompiling JSP's and everything worked as expected. Question now, obviously there is a first-time-compile penalty per jsp, but once compiled, should performance be the same? How about the overhead to check if the .jsp file indeed matches the compiled version? Has someone managed to get precompiled JSP's running in combination with Apache? - 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]
AW: AW: JSP pre-compile and Apache
It's not that it's not tested. It can happen very easiliy, when you just forgot to check something in the version control: You added a method to a bean, change the JSP, it's working fine in you test environment, you check in the JSP, but forget the bean, do the release and you get the compile error on the live site. That can't happen with precompliation. -Ursprngliche Nachricht- Von: Charl Gerber [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 17. Juni 2005 10:28 An: Tomcat Users List Betreff: Re: AW: JSP pre-compile and Apache With all due respect, I find that a weak argument. Its pretty dangerous to deploy anything to production without testing it on another (local) environment first. I would never change a jsp on production without checking it on another environment first. Well there is one big advantage when using precompiled JSPs: You're sure that all JSPs are compilable, so you don't get any compile errors on your live site. That gives your application more stability. Bernhard -Ursprngliche Nachricht- Von: Charl Gerber [mailto:[EMAIL PROTECTED] Gesendet: Freitag, 17. Juni 2005 08:07 An: Tomcat Users List Betreff: Re: JSP pre-compile and Apache I have the precompiled JSP's working with Apache now. Thanks. Apart from the first-time-hit compilation penalty on a normal jsp (as apposed to a precompiled one), why would you choose one option above the other? Standard jsp is easier to do updates if you work in an unpacked war setup - you just change the file and it is updated. Precompiled you have to acctually precompile the file. But how about performance and other issues? I guess it depends on your application, but is there somewhere a good checklist to determine when to choose the one option over the other? --- Terence M. Bandoian [EMAIL PROTECTED] wrote: Have you granted the site accessClassInPackage runtime permission? -Terence M. Bandoian [EMAIL PROTECTED] I used to precompile my JSP's (which worked great and was a big time saver in testing), but since running Tomcat 4.1.31 together with Apache, all sorts of weird errors occurred. I remember reading somewhere that Apache expected the actual jsp file, not the compiled version. So I reverted back to *not* precompiling JSP's and everything worked as expected. Question now, obviously there is a first-time-compile penalty per jsp, but once compiled, should performance be the same? How about the overhead to check if the .jsp file indeed matches the compiled version? Has someone managed to get precompiled JSP's running in combination with Apache? - 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]
AW: Use JSPC
Hi Nicolas,
what jspc basically needs, is acces to all the internal tomcat libraries,
as you see from the ant script:
${tomcat.home}/bin/*.jar
${tomcat.home}/server/lib/*.jar
${tomcat.home}/common/lib/*.jar
As well as all the libraries from you web application.
So what I did was just installing (unzipping) Tomcat on my deployment
machine, just in order to the able to do the precomplation. I think you can
also just download the deployer distribution
(http://jakarta.apache.org/site/downloads/downloads_tomcat-5.cgi) this
should contain all the stuff you need for the deployment. But I don't have
experience with the deployer application.
Conerning you web application: You need to include all the classes and
libraries in the classpath as well, but it doesn't have to be under
${tomcat.home}/webapps it can be anywhere on your deployment machine.
Maybe what's missing is that you have to include the /WEB-INF/classes
directory too in your ant script.
It's not in mine because I only use jar files in my webapp.
Good luck!
Bernhard
-Ursprüngliche Nachricht-
Von: Karasek-XID, Nicolas [mailto:[EMAIL PROTECTED]
Gesendet: Mittwoch, 22. Juni 2005 10:26
An: Tomcat Users List
Betreff: RE: Use JSPC
Hi bernhard,
Just a few dumb questions on this, I still have problem to
generate servlets source files from jsp.
From a previous message you sent on this subject in another
thread I guess I have a classpath problem in my jspc task (
NullPointerException at
org.apache.jasper.JspCompilationContext.createCompiler(JspComp
ilationContext.java:220) with tomcat 5.5.9).
I think I have the correct values for getting tools.jar and
jasper jars in jspc.classpath.
So, should the webapp be placed in tomcat webapps directory
in order to allow jspc work ? or maybe it doesn't matter ?
Maybe someone have an idea on what I miss...
--
Nicolas
-Original Message-
From: Bernhard Slominski [mailto:[EMAIL PROTECTED]
Sent: jeudi 16 juin 2005 11:44
To: 'Tomcat Users List'
Subject: AW: Use JSPC
Hi Mino,
just one thing to add to the very good answer from Charl:
I post you my ant sccript, which does all together precompiling and
automatic generation of the web.xml file.
You might take it as a basis for your stuff.
Cheers
Bernhard
!-- do the precompilation --
target name=jspc depends=get-properties-stage
mkdir dir=${webapproot}/src/
!-- define the jasper task --
taskdef classname=org.apache.jasper.JspC
name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset
dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset
dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
/taskdef
!-- execute jasper, creates the servlet source
files --
jasper2
validateXml=false
uriroot=${webapproot}${webappname}
webXmlFragment=${webapproot}${webappname}/WEB-INF/generated_web.xml
outputDir=${webapproot}/src /
!-- compile the source files --
javac
destdir=${webapproot}${webappname}/WEB-INF/classes
optimize=off
debug=on failonerror=false
srcdir=${webapproot}/src
excludes=**/*.smap
classpath
pathelement
location=${webapproot}${webappname}/WEB-INF/classes/
pathelement
location=${tomcat.home}/common/classes/
pathelement
location=${tomcat.home}/shared/classes/
fileset
dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset
dir=${tomcat.home}/shared/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
AW: Use JSPC
target name=jspc
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
/classpath
/taskdef
jasper2
validateXml=false
uriroot=${webapp.path}
webXmlFragment=${webapp.path}/WEB-INF/generated_web.xml
outputDir=${webapp.path}/WEB-INF/src /
/target
However If someone see a point to check...
What I think is missing is the Webapplication classes in your classpath, so:
fileset dir=${webapp.path}/lib
include name=*.jar/
/fileset
fileset dir=${webapp.path}/classes
include name=**/*.class/
/fileset
But I didn't test this on my System.
But narrow it down I would do the following:
Just write a simple Hello world jsp and remove all other Jsps from your
application.
Try to get jasper working with this file, if it's working fine, then you
know an application specfic calls is not picked up.
If the Hello world jsp does not work, you know it's a Tomcat/JRE class
which is missing.
Cheers
Bernhard
-Original Message-
From: Bernhard Slominski [mailto:[EMAIL PROTECTED]
Sent: mercredi 22 juin 2005 11:07
To: 'Tomcat Users List'
Subject: AW: Use JSPC
Hi Nicolas,
what jspc basically needs, is acces to all the internal
tomcat libraries,
as you see from the ant script:
${tomcat.home}/bin/*.jar
${tomcat.home}/server/lib/*.jar
${tomcat.home}/common/lib/*.jar
As well as all the libraries from you web application.
So what I did was just installing (unzipping) Tomcat on my
deployment
machine, just in order to the able to do the precomplation. I
think you can
also just download the deployer distribution
(http://jakarta.apache.org/site/downloads/downloads_tomcat-5.cgi) this
should contain all the stuff you need for the deployment. But
I don't have
experience with the deployer application.
Conerning you web application: You need to include all the classes and
libraries in the classpath as well, but it doesn't have to be under
${tomcat.home}/webapps it can be anywhere on your deployment machine.
Maybe what's missing is that you have to include the /WEB-INF/classes
directory too in your ant script.
It's not in mine because I only use jar files in my webapp.
Good luck!
Bernhard
-Ursprüngliche Nachricht-
Von: Karasek-XID, Nicolas [mailto:[EMAIL PROTECTED]
Gesendet: Mittwoch, 22. Juni 2005 10:26
An: Tomcat Users List
Betreff: RE: Use JSPC
Hi bernhard,
Just a few dumb questions on this, I still have problem to
generate servlets source files from jsp.
From a previous message you sent on this subject in another
thread I guess I have a classpath problem in my jspc task (
NullPointerException at
org.apache.jasper.JspCompilationContext.createCompiler(JspComp
ilationContext.java:220) with tomcat 5.5.9).
I think I have the correct values for getting tools.jar and
jasper jars in jspc.classpath.
So, should the webapp be placed in tomcat webapps directory
in order to allow jspc work ? or maybe it doesn't matter ?
Maybe someone have an idea on what I miss...
--
Nicolas
-Original Message-
From: Bernhard Slominski [mailto:[EMAIL PROTECTED]
Sent: jeudi 16 juin 2005 11:44
To: 'Tomcat Users List'
Subject: AW: Use JSPC
Hi Mino,
just one thing to add to the very good answer from Charl:
I post you my ant sccript, which does all together precompiling and
automatic generation of the web.xml file.
You might take it as a basis for your stuff.
Cheers
Bernhard
!-- do the precompilation --
target name=jspc depends=get-properties-stage
mkdir dir=${webapproot}/src/
!-- define the jasper task --
taskdef classname=org.apache.jasper.JspC
name=jasper2
classpath id=jspc.classpath
pathelement
location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset
dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset
dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset
dir=${webapproot}${webappname}/WEB-INF/lib
AW: tomcat list ant task queries
Hi Tim, what you also can do is just checking if the directory of the webapp exists. So this would be a check on the filesystem and not in Tomcat, but should work as well. Cheers Bernhard -Ursprüngliche Nachricht- Von: Tim Diggins [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 23. Juni 2005 13:28 An: Tomcat Betreff: tomcat list ant task queries Hi - (using ant to deploy an application for testing purposes) Is there a way to use the list anttask to put the list of installed tasks into a property? That way I could make a very flexible reload target which would check if the context was already in the list, and if it was then undeploy it, and then finally deploy it (otherwise the undeploy task generates an error which stops the process). Or is there another (better) way to do this? thanks in advance Tim - 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]
AW: deploying war files
Hi Darren, what I do is to deploy the war file as zip file, then extract it and reload the applicataion. It's not very nice, but it's working automatically in an ant script, I did it because the war file deployment was to unstable. Cheers Bernhard -Ursprüngliche Nachricht- Von: Darren Carman [mailto:[EMAIL PROTECTED] Gesendet: Montag, 27. Juni 2005 15:39 An: tomcat-user@jakarta.apache.org Betreff: deploying war files Hi, I have a project which generates log files within the project area. When I deploy a war file to a running tomcat instance the project appears to be deleted and re-created. Is there anyway to deploy automatically without deleting these files (or any files that exist in the project area that are not deployed in the war file)? I use netbeans to generate the war file if that gives me any more options on how to do this. Thanks in advance Darren - 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]
AW: Load all JSP pages on startup
I don't want to precompile in my build script, With the precompilation you can do the stuff you need, it automatically creates the servlet mapping in the web.xml. The only thing you have to add is the load-on-startup1/load-on-startup part, but I think you can automate this as well. So why don't you want precompilation? Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: AW: Load all JSP pages on startup
We have a custom (non-generated) web.xml, with some taglibs and servlets defined in there. Precompilation is tomcat dependend I suppose? You're right precompliation is tomcat dependent, but it works like this that the ant task takes your (non-tomcat dependent) web.xml and just adds the mappings for the precompiled JSPs, so it would still be possible to use one single web.xml and then have a jsp server target-dependent precomplitation task, but I don't know how that works in resin or Weblogic, and I see your point now. Sorry, but I don't have a better solution for you! Bernhard I was hoping there was a simple way in the web deployment descriptor to load them all on startup, in a webserver independed way. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: AW: Load all JSP pages on startup
We have a custom (non-generated) web.xml, with some taglibs and servlets defined in there. Precompilation is tomcat dependend I suppose? You're right precompliation is tomcat dependent, but it works like this that the ant task takes your (non-tomcat dependent) web.xml and just adds the mappings for the precompiled JSPs, so it would still be possible to use one single web.xml and then have a jsp server target-dependent precomplitation task, but I don't know how that works in resin or Weblogic, and I see your point now. When thinking about it again I assume that the precompiled webapp with Tomcat should also work in any other JSP container, as long as you have the Tomcat libraries in your classpath, because in the end your compiled JSPs are just normal servlets. Bernhard - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: AW: Load all JSP pages on startup
It's even better than that: the webapp itself is portable, without the
Tomcat libraries. The precompilation process just churns
your JSPs into
servlets at build time instead of runtime.
Let me add somthing here, it's right that the servlets are build at compile
time, but they still use Tomcat specific stuff.
Look at a generated servlet from a JSP:
...
public final class contactForm_jsp extends
org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
...
As you see it uses Tomcat sepcific stuff, when running this webapp on a
different container you need the Tomcat libraries in your classpath!
Bernhard
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AW: Jsp Pre-compilation
Hi Nils,
two things:
1. I would use an absolute path instead of the realitive one ./hummingbird
I guess jasper just can't pick up your jsps!
2. outputDir: You set it to WEB-INF/classes but what you create are
actually java source files, so this is not right, even tohough it doesn't
explain the failure of the precompliation
Good luck
Bernhard
-Ursprüngliche Nachricht-
Von: Nils Liebelt [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 30. Juni 2005 15:09
An: tomcat-user@jakarta.apache.org
Cc: [EMAIL PROTECTED]
Betreff: Jsp Pre-compilation
Hi all,
I have trouble pre-compiling my jsp-pages. I wrote following
ant target:
target name=jspc depends=build
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
/classpath
/taskdef
jasper2 validateXml=false
compile=true
verbose=99
listErrors=true
uriroot=./hummingbird
webXmlFragment=./hummingbird/WEB-INF/generated_web.xml
outputDir=./hummingbird/WEB-INF/classes /
/target
The task executes successful but it does not create a single
java file nor
its outputs anything? I want execute the task out of my
project src folder.
The libraries should be at the right place. I am really stuck here...
Regards,
Nils
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AW: error while building with jakarta-ant-1.5.1
Hi Tim,
Iam sure that Iam using the right tools.jar, and it is containing the
class com.sun.tools.javah.Main
I also think so, because that's what the errormessage says, it cannot find
the requested constructor.
I check my tools.jar (JDK 1.5.0_01) and I found this method signature, which
is obviously not there in your tools.jar.
package com.sun.tools.javah;
public class Main {
public Main() { /* compiled code */ }
public static void main(String[] strings) { /* compiled code */ }
}
Check yours and see if you have the same signature, if not you should update
or replace it.
Bernhard
build:
/Tomcat/jakarta-ant-1.5.1/src/main/org/apache/tools/ant/taskde
fs/optiona
l/Javah.java:349: cannot resolve symbol
symbol : constructor Main (java.lang.String[])
location: class com.sun.tools.javah.Main
= new com.sun.tools.javah.Main(cmd.getArguments());
^
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AW: URI of *_jsp.java
Hi Kristoffer,
the java files are under ${TOMCAT_HOME}\work\catalina\localhost ...
But you cannot get these files via URI, because that would mean that
everyone can see the sourcecode of your jsp.
It's not quite clear to me how you retrive the sutdent name from the
generated java file.
A better idea from my point of view is - if you use a version control system
- to get it directly from there,
or - if not - read it from the file system.
Cheers
Bernhard
-Ursprüngliche Nachricht-
Von: Kristoffer Nyborg Gregertsen [mailto:[EMAIL PROTECTED]
Gesendet: Montag, 11. Juli 2005 13:05
An: tomcat-user@jakarta.apache.org
Betreff: URI of *_jsp.java
Hi
I'm working for the Department of Computer and Information
Science at the
Norwegian University of Science and Technology to make an
JSP-errorPage that
analyzes the students JSP runtime-exceptions and gives
easy-to-understand
feedback.
Want I need to know:
How do I obtain the URI of the java-file (like
index_jsp.java) generated by
Jasper?
I've searched the APIs, but I can't find a easy way to obtain
this. I need to
read the java-file for presenting the student with the
codeline that caused
the exception.
(Please foregive my ignorance, as a student of cybernetics
I'm used to program
for microcontrollers, not webapplications...)
--
Med vennlig hilsen - With kind regards
Kristoffer Nyborg Gregertsen
Student
Department of Engineering Cybernetics
Norwegian University of Science and Technology
Trondheim
Norway
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AW: AW: URI of *_jsp.java
I see you point now, your smart ExceptionAnalyzer gives them the line in the
sourcecode so it's easier for them to find out what was wrong.
But unfortunatly I don't see a different way except to find out yourself as
you pointed out like:
{$TOMCAT_HOME}/work/catalina/{$WHATEVER_SERVER}/{$USER}/...
But as long as you don't change your server and applications names it still
should work fine via the filesystem.
Bernhard
-Ursprüngliche Nachricht-
Von: Kristoffer Nyborg Gregertsen [mailto:[EMAIL PROTECTED]
Gesendet: Montag, 11. Juli 2005 14:49
An: Tomcat Users List
Betreff: Re: AW: URI of *_jsp.java
On Monday 11 July 2005 14:01, Bernhard Slominski wrote:
Hi Kristoffer,
the java files are under ${TOMCAT_HOME}\work\catalina\localhost ...
But you cannot get these files via URI, because that would mean that
everyone can see the sourcecode of your jsp.
It's not quite clear to me how you retrive the sutdent name from the
generated java file.
A better idea from my point of view is - if you use a
version control
system - to get it directly from there,
or - if not - read it from the file system.
Cheers
Bernhard
Thanks for answering, Bernhard :-)
Think I mixed up things a bit, I want to access the java-file
through the
filesystem with the UID that my servlet runs as.
I have made a class called ExceptionAnalyzer that takes the
pageContext of the
JSP-errorPage as an argument and tries to extract as much
information as
possible.
The students name doesn't really concern us, we don't keep
track of who has
done what wrong, the errorPage is only ment to help the
students understand
what they did wrong. We're using JSP as an first introduction
to programming
for all of the schools 1200 Master of Technology-freshmen.
The code is very simple, like
%
for (int i=0; i 10; i++)
out.println(Hello world!);
%
etc, so there is not really any point in preventing others
from seeing it.
But, to get to the point:
Is there no easy way I can ask Jasper or another
Tomcat-component where the
Java-source of the given JSP-servlet is located on the filesystem?
Do I have to find it out myself like:
{$TOMCAT_HOME}/work/catalina/{$WHATEVER_SERVER}/{$USER}/...
--
Med vennlig hilsen - With kind regards
Kristoffer Nyborg Gregertsen
Student
Department of Engineering Cybernetics
Norwegian University of Science and Technology
Trondheim
Norway
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AW: Preprocessing JSP pages
How about integrating it in your ant build script? This changes your preprocessing from runtime to compile time. Bernhard -Ursprüngliche Nachricht- Von: Edward Hibbert [mailto:[EMAIL PROTECTED] Gesendet: Montag, 18. Juli 2005 11:32 An: tomcat-user@jakarta.apache.org Betreff: Preprocessing JSP pages Perhaps you can help me. We have an application which used Tomcat v4, which I'm migrating to use 5.5.9. We made some changes to the Tomcat source to allow JSP pages to be preprocessed, so that we could strip out/add in certain code branches at runtime based on configuration. We did this by making changes to e.g. ParserController.java. In retrospect this wasn't a great idea, because it meant we had to ship our own version of Tomcat, so we're looking at removing these changes so that we can use a vanilla version of Tomcat. I can roll my own different version of this preprocessing, e.g. as part of starting Tomcat. But I'm wondering whether there's a way you're supposed to do something like this? E.g. is there a way you can register something to get invoked when Tomcat is loading JSP, without having to hack the code to do so? Thanks for any help, Edward Hibbert. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Deployment using WAR files
Hi Joaquim, I think you always should do a COMPLETE release of the war file. So you always have an atomic, conistent relase. When it comes to rollback, versioning etc. you're much better off in having a complete release as war file. You can use hot deployment, so when you copy the new war file across, it's automatically deployed and you don't loose your sessions. However, my experiences with hot deployment are terrible, it was not working stable at all, I had many application crashes caused by hot deployment. So what I do now is build a war file, rename it as zip file and unzip it manually, they reload the application, it's somehow stuid, but working stable. Cheers Bernhard -Ursprüngliche Nachricht- Von: Insyde [mailto:[EMAIL PROTECTED] Gesendet: Montag, 18. Juli 2005 19:47 An: Tomcat Users List Betreff: Deployment using WAR files Hello, I have some questions about many people working in the same project and deploying using WAR file. I belong to a group that is developping a web application and use TOMCAT to test it. At the beginning the deployment was done by copying classes, jsp, and jar files etc to the folder of our web application into webapps subdirectory of TOMCAT. Then we decided to use a WAR file. However there are many people working in the same web application and deployment using a WAR means to undeploy and deploy the whole web application. We thought that one possible solution could be to copy the components of web application to the folder of web application as we used to do. But is that the correct way to do it ? How to could we deploy part of a web application using war files ? Is it possible to do it ? We wonder how people work in order to solve or minimize this situation. Thanks in advance for any help. Joaquim Roberto. - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Using a constant in a JSP
Hi,
this is simply not supported in EL!
I submitted this already as an enhancement
https://jsp-spec-public.dev.java.net/issues/show_bug.cgi?id=134
But it won't be in the next release in JSP 2.1, that's for sure.
So you need to do a workaround:
- Use a bean to retrive the constant
- write an EL function
Cheers
Bernhard
-Ursprüngliche Nachricht-
Von: Guillaume Lederrey [mailto:[EMAIL PROTECTED]
Gesendet: Mittwoch, 20. Juli 2005 16:10
An: Tomcat Users List
Betreff: Using a constant in a JSP
Hello !
This is probably a dumb question, but I'll try anyway. Please dont
laugh at my ignorance ;-)
I'm trying to use a constant (static final String) that is defined
in a class. My code looks roughly so :
%@ page
import='ch.tecost.siems.dao.care.planification.FrequencyType' %
[...]
html:radio name=form property=frequencyType
value=${FrequencyType.MEAL_TIME} [...] /
Of course, this doesnt seem to work. What would be the right syntax ?
I'm a bit lost and dont know exactly what I should be looking for.
Yes, I tried Google with no success; or too much success (millions of
page that dont exactly tell me what to do in this case) ...
Thanks a lot for the time you will take to make me less ignorant !
Guillaume
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AW: Session ID's
Some small addition: URL Rewriting is only used when cookies are switched off. From the Servlet Spec: SRV.7.1.3 URL Rewriting URL rewriting is the lowest common denominator of session tracking. When a client will not accept a cookie, URL rewriting may be used by the server as the basis for session tracking. URL rewriting involves adding data, a session ID, to the URL path that is interpreted by the container to associate the request with a session. The session ID must be encoded as a path parameter in the URL string. The name of the parameter must be jsessionid. Here is an example of a URL containing encoded path information: http://www.myserver.com/catalog/index.html;jsessionid=1234 SRV.7.1.4 Session Integrity Web containers must be able to support the HTTP session while servicing HTTP requests from clients that do not support the use of cookies. To fulfill this requirement, Web containers commonly support the URL rewriting mechanism. Bernhard -Ursprüngliche Nachricht- Von: Charles P. Killmer [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 2. August 2005 17:03 An: Tomcat Users List Betreff: RE: Session ID's I was hoping there was a configuration setting that would tack the session id onto every hyperlink at runtime, much as PHP does. Charles -Original Message- From: Derrick Koes [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 02, 2005 9:20 AM To: Tomcat Users List Subject: RE: Session ID's Use HttpServletResponse.encodeURL(String url) -Original Message- From: Charles P. Killmer [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 02, 2005 10:04 AM To: Tomcat Users List Subject: Session ID's Is there a configuration setting such that every local URL will be encoded with a session id if one is present? I have developed a site that uses cookies to hold the session id and am getting complaints from users that do not have cookies enabled. Thanks Charles - 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]
AW: Session ID's
Well, nobody likes to go through the specs, an excellent book which covers the session handling very well to is: Head First Servlets and JSP http://www.amazon.com/exec/obidos/tg/detail/-/0596005407/qid=1123053380/sr=8 -1/ref=pd_bbs_sbs_1/103-1556156-2935038?v=glances=booksn=507846 Bernhard -Ursprüngliche Nachricht- Von: Charles P. Killmer [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 2. August 2005 19:08 An: Tomcat Users List Betreff: RE: Session ID's Thanks. I will take a look through this. Charles -Original Message- From: Bernhard Slominski [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 02, 2005 10:33 AM To: 'Tomcat Users List' Subject: AW: Session ID's Some small addition: URL Rewriting is only used when cookies are switched off. From the Servlet Spec: SRV.7.1.3 URL Rewriting URL rewriting is the lowest common denominator of session tracking. When a client will not accept a cookie, URL rewriting may be used by the server as the basis for session tracking. URL rewriting involves adding data, a session ID, to the URL path that is interpreted by the container to associate the request with a session. The session ID must be encoded as a path parameter in the URL string. The name of the parameter must be jsessionid. Here is an example of a URL containing encoded path information: http://www.myserver.com/catalog/index.html;jsessionid=1234 SRV.7.1.4 Session Integrity Web containers must be able to support the HTTP session while servicing HTTP requests from clients that do not support the use of cookies. To fulfill this requirement, Web containers commonly support the URL rewriting mechanism. Bernhard -Ursprüngliche Nachricht- Von: Charles P. Killmer [mailto:[EMAIL PROTECTED] Gesendet: Dienstag, 2. August 2005 17:03 An: Tomcat Users List Betreff: RE: Session ID's I was hoping there was a configuration setting that would tack the session id onto every hyperlink at runtime, much as PHP does. Charles -Original Message- From: Derrick Koes [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 02, 2005 9:20 AM To: Tomcat Users List Subject: RE: Session ID's Use HttpServletResponse.encodeURL(String url) -Original Message- From: Charles P. Killmer [mailto:[EMAIL PROTECTED] Sent: Tuesday, August 02, 2005 10:04 AM To: Tomcat Users List Subject: Session ID's Is there a configuration setting such that every local URL will be encoded with a session id if one is present? I have developed a site that uses cookies to hold the session id and am getting complaints from users that do not have cookies enabled. Thanks Charles - 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]
AW: JspC compile exception in tomcat-deployer 5.5.10
Hi Richard,
the problem is that your classpath for the jasper path is not correct.
So this Null Pointer exception actually means that some class was not found.
Note that you need all the tomcat libraries in your jaser classpath, as well
as your libs as well.
I post you my script, which is working Ok (on Tomcat 5.5.7).
Cheers
Bernhard
taskdef classname=org.apache.jasper.JspC name=jasper2
classpath id=jspc.classpath
pathelement location=${java.home}/../lib/tools.jar/
fileset dir=${tomcat.home}/bin
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/server/lib
include name=*.jar/
/fileset
fileset dir=${tomcat.home}/common/lib
include name=*.jar/
/fileset
fileset dir=${webapproot}${webappname}/WEB-INF/lib
include name=*.jar/
/fileset
/classpath
/taskdef
-Ursprüngliche Nachricht-
Von: Richard Mixon (qwest) [mailto:[EMAIL PROTECTED]
Gesendet: Montag, 15. August 2005 23:58
An: tomcat-user@jakarta.apache.org
Betreff: JspC compile exception in tomcat-deployer 5.5.10
Hello,
I am using the jakarta-tomcat-5.5.10-deployer to deploy my customized war
file to tomcat. When I have it do the compile target so it pre-compiles
the JSP's I get the exception below (its sort of long). I've got the source
and can see that it is happening as it processes the JSPs. But it gives no
clue as to which JSP is causing the problem.
Is there a way to turn on a trace that would list each file as it is
processed? I've also looked in the output directory - but there are not
class files at all. And the generated_web.xml is completely empty at this
point.
Here is how I've got the jasper2 task defined in my build.xml:
jasper2 validateXml=false
uriroot=${webapp.path}
webXmlFragment=${webapp.path}/WEB-INF/generated_web.xml
addWebXmlMappings=true
outputDir=${webapp.path}/WEB-INF/classes /
Notice that I turned validateXml to false - otherwise I get the following
message:
[jasper2] org.xml.sax.SAXParseException: Document is invalid: no grammar
found.
I have compared and compared my web.xml to the spec and it seems to be OK.
It complains about position 9 in the 3rd line. Line 3 follows, position 9 is
the start of the xmlns= attribute:
web-app xmlns=http://java.sun.com/xml/ns/j2ee;
xmlns:xsi=http://www.w3.org/2001/XMLSchema-instance;
xsi:schemaLocation=http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd;
version=2.4
... which appears to be fine.
Any ideas or help is appreciated. I have tried this a few months back in
5.5.7 but got the same results (worked fine in 5.0.19). I imagine its a
problem either in one of my JSPs or in the web.xml - but cannot figure it
out.
Thanks in advance for any ideas.
- Richard
Exception from running ant compile:
Loaded from C:\jakarta-tomcat-5.5.10-deployer\lib\jasper-compiler.jar
org/apache/jasper/compiler/AntCompiler.class
Class org.apache.jasper.compiler.AntCompiler loaded from ant loader
(parentFirst)
Class org.apache.tools.ant.BuildListener loaded from parent loader
(parentFirst)
Couldn't load Resource commons-logging.properties
Couldn't load Resource
META-INF/services/org.apache.commons.logging.LogFactory
Finding class org.apache.log4j.Logger
Finding class org.apache.log4j.Category
Finding class org.apache.log4j.spi.AppenderAttachable
Finding class org.apache.commons.logging.impl.Log4JLogger
Loaded from C:\jakarta-tomcat-5.5.10-deployer\lib\commons-logging.jar
org/apache/commons/logging/impl/Log4JLogger.class
Class org.apache.commons.logging.impl.Log4JLogger loaded from ant loader
(parentFirst)
Finding class org.apache.log4j.Category
Finding class org.apache.log4j.Category
[jasper2] java.lang.NullPointerException
[jasper2] at
org.apache.jasper.JspCompilationContext.createCompiler(JspCompilationContext
.java:220)
[jasper2] at org.apache.jasper.JspC.processFile(JspC.java:913)
[jasper2] at org.apache.jasper.JspC.execute(JspC.java:1061)
[jasper2] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
[jasper2] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
[jasper2] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
[jasper2] at java.lang.reflect.Method.invoke(Method.java:585)
[jasper2] at
org.apache.tools.ant.TaskAdapter.execute(TaskAdapter.java:123)
[jasper2] at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
[jasper2] at org.apache.tools.ant.Task.perform(Task.java:364)
[jasper2] at org.apache.tools.ant.Target.execute(Target.java:341)
[jasper2] at org.apache.tools.ant.Target.performTasks(Target.java:369)
[jasper2] at
AW: JSP Precompilation
Maybe there are a few classfiles missing, which are only used with these two jsps. Bernhard -Ursprüngliche Nachricht- Von: Ramnish Kalsi [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 17. August 2005 20:52 An: 'Tomcat Users List' Betreff: JSP Precompilation I am trying to use jasper2 to pre-compile the JSPs as part of build process. The compiler is complaining with the message: ERROR - the file 'blah/blah/jsp' generated the following general exception: java.lang.NullPointerException' After spending some time, i realized that the jsp files which had invalid usage of tags were the culprits. The errors disappeared after tag cleaning. Now this error is only coming for 2 files, and i am positive that there is nothing wrong with tags. What could be other possible reasons ? Is there any way of configuring the compiler to output detailed stacktrace, if it fails at any jsp file compilation. Tomcat version is 4.1. thanks, ramnish. ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses. www.mimesweeper.com ** - 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]
AW: tomcat 5.5.9 not recompiling JSPs
You're both right. But when you run your Webapplication under non-tomcat container you need the tomcat libraries. Also when going to dfferent versions of tomcat, so e.g. from 4 to 5.5 you might get compatibility issues. Bernhard -Ursprüngliche Nachricht- Von: Allistair Crossley [mailto:[EMAIL PROTECTED] Gesendet: Montag, 22. August 2005 16:14 An: Tomcat Users List Cc: [EMAIL PROTECTED] Betreff: RE: tomcat 5.5.9 not recompiling JSPs compiled pages are just classes, and so long as they are mapped correctly in the web.xml you'll be ok. -Original Message- From: Paul Singleton [mailto:[EMAIL PROTECTED] Sent: 22 August 2005 15:13 To: Tomcat Users List Cc: [EMAIL PROTECTED] Subject: Re: tomcat 5.5.9 not recompiling JSPs Mark Hagger wrote: ... Although to be honest I suspect that the best solution for production boxes is to pre-compile all jsps into the war file anyway. Is this possible? Don't different containers store the compiled pages in different places, with different names? Paul Singleton -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.338 / Virus Database: 267.10.13/78 - Release Date: 19/Aug/2005 - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] FONT SIZE=1 FACE=VERDANA,ARIAL COLOR=BLUE --- QAS Ltd. Registered in England: No 2582055 Registered in Australia: No 082 851 474 --- /FONT - 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]
AW: cross context info
Hi Alain, First of all the session is ALWAYS on application scope, this is not an Tomcat specific behaviour but a requirement of the Specification: SRV.7.3 Session Scope HttpSession objects must be scoped at the application (or servlet context) level. The underlying mechanism, such as the cookie used to establish the session, can be the same for different contexts, but the object referenced, including the attributes in that object, must never be shared between contexts by the container. So there is no way around this, if the sessions were replicated across the applications it would violate the specification. When you enable crossConext for your application: Context crossContext=true docBase=testapp path=/testapp reloadable=true /Context you can get the context for another application: ServletContext context2 = context.getContext(/testapp); and set attributes: context2.setAttribute(test,JSP is great!); But you cannot get to the session in the other application. So what you can do is implement the session swapping on your own (Cookies, via the Database) or merge your applications into one. Some links from the Sun Forums: http://forum.java.sun.com/thread.jsp?forum=33thread=259394 http://forum.java.sun.com/thread.jsp?forum=45thread=492484 http://forum.java.sun.com/thread.jsp?forum=33thread=318569 Cheers Bernhard -Ursprüngliche Nachricht- Von: Alain Gaeremynck [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 14. September 2005 03:03 An: Tomcat Users List Betreff: cross context info I have 2 webapps living on the same server and they are linked to the same user experiance.. Now both apps require login but i don't want my users to have to login on both apps. Also while they are browsing in one context i don't want the session to expire for the other context. so the question is Is there a way to do session.setAtribute in one context and retrieve it from another and also to link the 2 session so that they don't expire or expire at the same time? i'd like not to have to use hidden iframe and stuff like that thanks! -- Alain Gaeremynck CTO Le Groupe Interstructure (514) 374-1110 (514) 825-7810 cell weblog: http://www.sanssucre.ca (En informatique, comme en musique, n'importe quoi sauf du commercial) - 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]
AW: JSP 2.1 in Tomcat 6?
Hi Ron, I don't know about the JSP 2.1 Support in Tomcat, but if you want to try it out just use Glassfish: https://glassfish.dev.java.net/ Cheers Bernhard -Ursprüngliche Nachricht- Von: Ron Kiat [mailto:[EMAIL PROTECTED] Gesendet: Sonntag, 18. September 2005 18:16 An: Tomcat Users List Betreff: JSP 2.1 in Tomcat 6? I understand that Tomcat 5.5 supports JSP 2.0. I heard that JSP 2.1 has a slightly different syntax for the Expression Language, and Java 5 EE is coming. Will the next build of 5.5 suppport JSP 2.1? Or will there be Tomcat 6? Thanks, Ron - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: Removing session id from url links
The session ids in the URL (URL Rewriting) are only used when cookies are switched off as a fallback, so when cookies are switched on on your machine you shouldn't see the session Id in the URL. When you don't need a seesion on your page you can use this page directive to switch off the session, so you won't have anything in the URL: %@ page session=false % Cheers Bernhard -Ursprüngliche Nachricht- Von: Assaf [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 22. September 2005 13:40 An: Tomcat Users List Betreff: Removing session id from url links Hi, I have a problem with tomcat displaying urls on my site that include the jsessionid attached at the end. This is particularly a problem with search engine who crawl the site and index the page including the session id. Is there a way to disable it? I am also using struts html:link so that might be the place to disable. Cheers, Assaf __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - 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]
AW: AW: Removing session id from url links
Well, what you basically want to do is disable URL Rewriting. What I saw so far it's not explicitly possible via the spec, but what you can do is just not encoding the URL. So I don't know struts, but can you not just use plain link? An alternative would be to dig in the code of html:link and search for the URL Encoding there and remove this. There must be something like encodeURL in the source code, which causes the session id to be appended. Bernhard -Ursprüngliche Nachricht- Von: Assaf [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 22. September 2005 18:49 An: Tomcat Users List Betreff: Re: AW: Removing session id from url links Thanks Bernard, My problem is to do with Search Engine bots. They seem to be getting jsessionid when they crawl and do not remove them. This causes them to index pages INCLUDING the session id and therefore it appears on the search engine listing. Any way to remove that? Assaf --- Bernhard Slominski [EMAIL PROTECTED] wrote: The session ids in the URL (URL Rewriting) are only used when cookies are switched off as a fallback, so when cookies are switched on on your machine you shouldn't see the session Id in the URL. When you don't need a seesion on your page you can use this page directive to switch off the session, so you won't have anything in the URL: %@ page session=false % Cheers Bernhard -Ursprüngliche Nachricht- Von: Assaf [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 22. September 2005 13:40 An: Tomcat Users List Betreff: Removing session id from url links Hi, I have a problem with tomcat displaying urls on my site that include the jsessionid attached at the end. This is particularly a problem with search engine who crawl the site and index the page including the session id. Is there a way to disable it? I am also using struts html:link so that might be the place to disable. Cheers, Assaf __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - 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] __ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com - 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]
AW: How to PreCompile JSPs
From the Tomcat docs: http://jakarta.apache.org/tomcat/tomcat-5.5-doc/jasper-howto.html -Ursprüngliche Nachricht- Von: Murali [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 29. September 2005 16:54 An: tomcat-user@jakarta.apache.org Betreff: How to PreCompile JSPs Hi , Can you someone provide me some information on how to precompile JSPs (probably thousands of JSPs) ? Regards, Murali - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
AW: session state preserved across different applications
Hi Michael, this comes up every so often, so here is just the answer, which I posted some time ago: First of all the session is ALWAYS on application scope, this is not an Tomcat specific behaviour but a requirement of the Specification: SRV.7.3 Session Scope HttpSession objects must be scoped at the application (or servlet context) level. The underlying mechanism, such as the cookie used to establish the session, can be the same for different contexts, but the object referenced, including the attributes in that object, must never be shared between contexts by the container. So there is no way around this, if the sessions were replicated across the applications it would violate the specification. When you enable crossConext for your application: Context crossContext=true docBase=testapp path=/testapp reloadable=true /Context you can get the context for another application: ServletContext context2 = context.getContext(/testapp); and set attributes: context2.setAttribute(test,JSP is great!); But you cannot get to the session in the other application. So what you can do is implement the session swapping on your own (Cookies, via the Database) or merge your applications into one. Some links from the Sun Forums: http://forum.java.sun.com/thread.jsp?forum=33thread=259394 http://forum.java.sun.com/thread.jsp?forum=45thread=492484 http://forum.java.sun.com/thread.jsp?forum=33thread=318569 Cheers Bernhard -Ursprüngliche Nachricht- Von: Michal Kwiatek [mailto:[EMAIL PROTECTED] Gesendet: Donnerstag, 29. September 2005 15:34 An: Tomcat Users List Betreff: session state preserved across different applications Dear all, How is it possible to preserve session state across different applications deployed in tomcat? I'm pretty sure I saw it somewhere, but I can't remember where it was... Thanks in advance, Michał. - 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]
AW: Refresh ResourceBundle
Hi, you can write a class which handles the loading of the resoucres, so you can control the behaviour. We have the resource bundles in the DB, so we can administer it via the DB without restarting the application Cheers Bernhard -Ursprüngliche Nachricht- Von: Roland Carlsson [mailto:[EMAIL PROTECTED] Gesendet: Mittwoch, 12. Oktober 2005 15:20 An: tomcat-user@jakarta.apache.org Betreff: Refresh ResourceBundle Hi! I'm using the i18n taglibrary to i18n a site i'm working on. The administration features not only i18n but also contentmanagement. The problem is that I can't find out how to refresh my ResourceBundle in any kind of way other than restart the whole webapp. Are there any way to tell tomcat to reload ResourceBundles? Thanks in advance Roland Carlsson - 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]
