Re: disabling session management
Hi, you could also use a SessionListener an invalidate sessions immediately after being created or you could write your own implementation of |org.apache.catalina.Manager |http://tomcat.apache.org/tomcat-6.0-doc/config/manager.html and configure it to be used instead of the default manager. Can't be too difficult if jit ust has to serve as a NOP implementation... However I would prefer to figure out why sessions are unexpectedly created at all. Cheers, Michael Christopher Schultz wrote: > Emerson, > > On 10/8/2010 10:25 AM, emerson wrote: > > We been doing some tuning on our TC environment and noticed that > > tomcat is holding 30 megabytes of classes related to session > > management. > > Which classes, specifically? > > > This is on our middletier servler, where sessions are irrelevant. > > Okay, great. > > > Is there a way to disabled session management for this server? > > Don't call request.getSession(). If you have JSPs (in a middle tier?), > make sure they all have session="false" in their <@page> directives. > > > What is the impact of using session-timeout = 0? > > Your sessions will never time out, and your problem will likely get worse. > > > We currently use 30 minutes for the session-timeout. > > You could always set it to 1 minute just to be sure they don't last very > long if they are accidentally created. > > -chris - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org -- TNG Technology Consulting GmbH, Betastr. 13a, D-85774 Unterföhring Geschäftsführer: Henrik Klagges, Gerhard Müller, Christoph Stock Amtsgericht München, HRB 135082 - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Tomcat LoadBalancing
Hello All, I am new to this mailing list and want to know about Tomcat Load Balancing. I have searched a lot but I found only ways to establish a Tomcat load balancer by using apache HTTP web server as a front end load balancer. but I want a load balancer in which tomcat master handles all the requests and balance them on other tomcat instances and receives responses from them back. I will be very appreciable if anyone give me some idea or some document about that. Thanks in advance. Regards Deepak - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Tomcat performance under low load
> From: Vijay Menon [mailto:vijay_me...@hotmail.com] > Subject: Tomcat performance under low load > The other test scenario is where the tomcat instance is kept > idle and a single request is sent in every 90 or so seconds. > In this case, the response takes about 8 seconds out of which > about 6 seconds cannot be tracked. What do you measure if you send such requests directly to Tomcat, not via httpd? - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Tomcat performance under low load
Hi all Thanks for reading this post. We are currently having 2 requirements that are opposites. The first requirement is performance under high loads and the other one is equivalent performance for 1 request. Our prod env currently uses Apache with mod_jk and ajp 1.3 to Tomcat 6.0.26 and jdk 1.6.0_18 on solaris. We're scaling to satisfactory loads of 250 concurrent requests serving pages in 0.5 seconds. The other test scenario is where the tomcat instance is kept idle and a single request is sent in every 90 or so seconds. In this case, the response takes about 8 seconds out of which about 6 seconds cannot be tracked. As the result, what we're finding is that under high loads, it performs well but under very low loads, it does not. This definitely happens in the tomcat layer as we've used the FastCommonAccessLogValve logger which gives the time for the request in Tomcat. The connector properties are protocol="AJP/1.3" maxThreads="150" minSpareThreads="25" maxSpareThreads="75" acceptCount="100" connectionTimeout="2" disableUploadTimeout="true" useBodyEncodingForURI="true". I was wondering whether anyone would be able to help with this issue. Thanks in advance VM
RE: Disable class monitoring for reloading container classes
The IBM I uses its own integrated file system (IFS). You can access it locally with map network drives, but my tests did not involve doing that. Jane -Original Message- From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] Sent: Wednesday, October 13, 2010 3:20 PM To: Tomcat Users List Subject: RE: Disable class monitoring for reloading container classes That was me in another thread. Here's what I stated: "It just occurred to me that I don't think anyone's asked if these are net-mounted file systems. I've seen this timestamp-shifting before, but only on net-mounted filesystems. Usually the source and local systems are set to different timezones (or DST settings)." Jeff > -Original Message- > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Sent: Wednesday, October 13, 2010 1:21 PM > To: Tomcat Users List > Subject: Re: Disable class monitoring for reloading container classes > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Jane, > > On 10/13/2010 1:40 PM, Jane Muse wrote: > > Thanks for the java program Chris, I ran it on the version of the > > O/S where we get the problem and got results that show a last > > modified date that differs by one hour when the time changes due to DST. > > > > Current GMT time (no DST): 2010-10-12 22:53:27 GMT Current local > > time (with DST): 2010-10-12 15:53:28 PDT File > > [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > > last modified timestamp: 1231267693000 the file was last modified > > 55656315 seconds ago last modified as GMT time (no DST): 2009-01-06 > > 18:48:13 GMT last modified as local time: 2009-01-06 10:48:13 PST > > > > Change date to: 03/13/10 > > > > java com.aldon.lifetime.permissions.test.TimeChange > '/Aldon/Aldonls/tomcat20/lib/servlet-api.jar' > > Current GMT time (no DST): 2010-03-13 23:55:24 GMT Current local > > time (with DST): 2010-03-13 15:55:24 PST File > > [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > > last modified timestamp: 1231271293000 the file was last modified > > 37253231 seconds ago last modified as GMT time (no DST): 2009-01-06 > > 19:48:13 GMT last modified as local time: 2009-01-06 11:48:13 PST > > > > IBM has said they'll open a discussion with their development team > > and try to get a fix out. > > Someone had a suggestion about the use of NFS. Are you using a remote > filesystem that might be mutating the file timestamps? > > - -chris > -BEGIN PGP SIGNATURE- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAky1+KIACgkQ9CaO5/Lv0PA0aQCffNfPI8JGlH9wrzRbzw9rFg9L > DCgAnjKwE1Nodu6cj180aKqVfv5pvXBs > =ki8t > -END PGP SIGNATURE- > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > __ Confidentiality Notice: This Transmission (including any attachments) may contain information that is privileged, confidential, and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this transmission in error, please immediately reply to the sender or telephone (512) 343-9100 and delete this transmission from your system. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Disable class monitoring for reloading container classes
That was me in another thread. Here's what I stated: "It just occurred to me that I don't think anyone's asked if these are net-mounted file systems. I've seen this timestamp-shifting before, but only on net-mounted filesystems. Usually the source and local systems are set to different timezones (or DST settings)." Jeff > -Original Message- > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > Sent: Wednesday, October 13, 2010 1:21 PM > To: Tomcat Users List > Subject: Re: Disable class monitoring for reloading container classes > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Jane, > > On 10/13/2010 1:40 PM, Jane Muse wrote: > > Thanks for the java program Chris, I ran it on the version of the O/S > > where we get the problem and got results that show a last modified > > date that differs by one hour when the time changes due to DST. > > > > Current GMT time (no DST): 2010-10-12 22:53:27 GMT > > Current local time (with DST): 2010-10-12 15:53:28 PDT > > File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > > last modified timestamp: 1231267693000 > > the file was last modified 55656315 seconds ago > > last modified as GMT time (no DST): 2009-01-06 18:48:13 GMT > > last modified as local time: 2009-01-06 10:48:13 PST > > > > Change date to: 03/13/10 > > > > java com.aldon.lifetime.permissions.test.TimeChange > '/Aldon/Aldonls/tomcat20/lib/servlet-api.jar' > > Current GMT time (no DST): 2010-03-13 23:55:24 GMT > > Current local time (with DST): 2010-03-13 15:55:24 PST > > File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > > last modified timestamp: 1231271293000 > > the file was last modified 37253231 seconds ago > > last modified as GMT time (no DST): 2009-01-06 19:48:13 GMT > > last modified as local time: 2009-01-06 11:48:13 PST > > > > IBM has said they'll open a discussion with their development team > > and try to get a fix out. > > Someone had a suggestion about the use of NFS. Are you using a remote > filesystem that might be mutating the file timestamps? > > - -chris > -BEGIN PGP SIGNATURE- > Version: GnuPG v1.4.10 (MingW32) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAky1+KIACgkQ9CaO5/Lv0PA0aQCffNfPI8JGlH9wrzRbzw9rFg9L > DCgAnjKwE1Nodu6cj180aKqVfv5pvXBs > =ki8t > -END PGP SIGNATURE- > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > __ Confidentiality Notice: This Transmission (including any attachments) may contain information that is privileged, confidential, and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this transmission in error, please immediately reply to the sender or telephone (512) 343-9100 and delete this transmission from your system.
RE: Error 503 ocurring when server under load
I just realized that I somehow replied to the wrong thread on this one. It was meant for Jane Muse's thread. I'll repost there in case someone missed it. Sorry to interrupt your thread with irrelevant information/spleculation. Jeff > -Original Message- > From: Jeffrey Janner [mailto:jeffrey.jan...@polydyne.com] > Sent: Tuesday, October 12, 2010 2:23 PM > To: Tomcat Users List > Subject: RE: Error 503 ocurring when server under load > > I just occurred to me that I don't think anyone's asked if these are > net-mounted file systems. I've seen this timestamp-shifting before, > but only on net-mounted filesystems. Usually the source and local > systems are set to different timezones (or DST settings). > > > -Original Message- > > From: Christopher Schultz [mailto:ch...@christopherschultz.net] > > Sent: Tuesday, October 12, 2010 1:47 PM > > To: Tomcat Users List > > Subject: Re: Error 503 ocurring when server under load > > > > -BEGIN PGP SIGNED MESSAGE- > > Hash: SHA1 > > > > Rob, > > > > On 10/11/2010 4:40 PM, Rob G wrote: > > > So if I'm reading your email and the docs correctly. I should just > > > comment out the cachesize=10 from the workers.properties. > > > > I would. > > > > > And since for connection_pool_size (that replaced it) JK will > > > discover this number for the Apache web server automatically and > set > > > the pool size to this value, I don't need to add anything to the > > > workers.properties file? > > > > I believe that is true. > > > > On the other hand, there is another case where you might have > problems. > > If you have, say, 512 worker threads in Apache httpd but you only > have, > > say, 200 request processor threads configured in Tomcat, then you > will > > get mod_jk connection failures on the httpd side. > > > > I would recommend that you have enough request processors configured > in > > Tomcat to handle the expected load. > > > > - -chris > > -BEGIN PGP SIGNATURE- > > Version: GnuPG v1.4.10 (MingW32) > > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > > > iEYEARECAAYFAky0rToACgkQ9CaO5/Lv0PCvjACgwttZ9YfINxpWP+DI1+VlKfvI > > OTAAoK+2RQRibL56GdYWlaWxx6obZVln > > =hY3s > > -END PGP SIGNATURE- > > > > - > > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > > For additional commands, e-mail: users-h...@tomcat.apache.org > > > > ___ > ___ > > Confidentiality Notice: This Transmission (including any attachments) > may contain information that is privileged, confidential, and exempt > from disclosure under applicable law. If the reader of this message is > not the intended recipient you are hereby notified that any > dissemination, distribution, or copying of this communication is > strictly prohibited. > > If you have received this transmission in error, please immediately > reply to the sender or telephone (512) 343-9100 and delete this > transmission from your system. __ Confidentiality Notice: This Transmission (including any attachments) may contain information that is privileged, confidential, and exempt from disclosure under applicable law. If the reader of this message is not the intended recipient you are hereby notified that any dissemination, distribution, or copying of this communication is strictly prohibited. If you have received this transmission in error, please immediately reply to the sender or telephone (512) 343-9100 and delete this transmission from your system.
RE: Disable class monitoring for reloading container classes
Chuck, Thanks for your persistence! I'll try to explain with examples. We have a directory called COMPANY_NAME/tomcat that is CATALINA_BASE. I sent the contents of CATALINA_BASE/conf/context.xml in the email below. We have a CATALINA_BASE/WEBAPPS/APP_NAME directory. We also have a COMPANY_NAME/APP_CONF_DIR that contains a /conf directory, the APP_NAME.war file, and an APP_NAME.xml file. There is a context element defined in the COMPANY_NAME/APP_CONF/DIR/app_name.xml file with reloadable="false". This is the one I was changing. However it turns out that we used this one as a placeholder in case the one in the CATALINA_BASE/conf/[enginename]/[hostname]/app_name.xml got deleted. We also have a context element in a place I hadn't seen before at: CATALINA_BASE/conf/[enginename]/[hostname]/app_name.xml. This context element had reloadable="true". I changed it to reloadable="false" and restarted tomcat. Now the app does not get reloaded! Fixed. Thanks to all. Jane -Original Message- From: Caldarale, Charles R [mailto:chuck.caldar...@unisys.com] Sent: Wednesday, October 13, 2010 12:57 PM To: Tomcat Users List Subject: RE: Disable class monitoring for reloading container classes > From: Jane Muse [mailto:jm...@aldon.com] > Subject: RE: Disable class monitoring for reloading container classes > Here's my context.xml: > > That may not be illegal syntax for XML, but it certainly is confusing. Better to do this: > We are not defining our webapps context file in META-INF/context.xml. > It is outside the CATALINA_BASE, in a separate directory that contains > the War file, the context file and a conf directory for the webapp. See below for your self-contradictory statement. > Here's the contents of the .xml file: Which is located where? > Beginning of data** docBase=">/>webapp>.war" > path="" > reloadable="false"> > That's even more confusing and definitely not valid syntax, as well as having an illegal path attribute. > "" is the name of the webapp directory in > /webapps/. So is your webapp in /webapps or not? - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Disable class monitoring for reloading container classes
> From: Jane Muse [mailto:jm...@aldon.com] > Subject: RE: Disable class monitoring for reloading container classes > Here's my context.xml: > > That may not be illegal syntax for XML, but it certainly is confusing. Better to do this: > We are not defining our webapps context file in META-INF/context.xml. > It is outside the CATALINA_BASE, in a separate directory that contains > the War file, the context file and a conf directory for the webapp. See below for your self-contradictory statement. > Here's the contents of the .xml file: Which is located where? > Beginning of data** > docBase=">/>webapp>.war" > path="" > reloadable="false"> > That's even more confusing and definitely not valid syntax, as well as having an illegal path attribute. > "" is the name of the webapp directory in > /webapps/. So is your webapp in /webapps or not? - Chuck THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL and is thus for use only by the intended recipient. If you received this in error, please contact the sender and delete the e-mail and its attachments from all computers. - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Disable class monitoring for reloading container classes
Here's my context.xml: Beginning of data** _ We are not defining our webapps context file in META-INF/context.xml. It is outside the CATALINA_BASE, in a separate directory that contains the War file, the context file and a conf directory for the webapp. Here's the contents of the .xml file: Beginning of data** _ "" is the name of the webapp directory in /webapps/. Jane End of Data -Original Message- From: Christopher Schultz [mailto:ch...@christopherschultz.net] Sent: Wednesday, October 13, 2010 11:26 AM To: Tomcat Users List Subject: Re: Disable class monitoring for reloading container classes -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jane, On 10/13/2010 1:51 PM, Jane Muse wrote: > I found that reloadable="false" does not suppress tomcat from watching > if files change in WEB-INF/lib, even though the docs say it does: Please log a bug. Note that bugs logged against old versions of Tomcat (6.0.18 is over two years old) are often met with "upgrade to latest, then retest" instructions. Upgrading would certainly be a good idea in general. > Can I safely say I've run into both an IBM and a tomcat bug? I'm not convinced that either are true, honestly. There are plenty of explanations that do not require either your OS or Tomcat to have a bug. > I'm on > tomcat 6.0.18 and I've searched the 6.0.29 change logs, didn't see > anything for this issue that's been fixed. We run in production on 5.5.x and 6.0.x both with default "reloadable" values (that is, "false") and changes to files in WEB-INF/classes and WEB-INF/lib do not trigger automatic reloads. My experience leads me to believe that Tomcat works properly and that your configuration is somehow broken. Can you post your TOMCAT_HOME/conf/context.xml file as well as your webapp's META-INF/context.xml file? Take care to remove sensitive information, particularly from the latter. Thanks, - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky1+a8ACgkQ9CaO5/Lv0PAVswCfaSG12tBF+pILKASF6TKMQatf XvcAoL13iNq5KfXdTljWjAxg6TAl9Hns =k6mc -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Insonsistent output of Java 5 enums
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Oliver,
On 10/10/2010 5:29 AM, Oliver Siegmar wrote:
> I'm a bit confused about how differed Java 5 enums are handled in JSPs. I
> have
> an enum that has an overridden toString() method.
>
> My JSP looks like this:
>
> Output per EL: ${myEnumValue}
> Output per JSTL:
>
> The output is:
>
> Output per EL: VALID
> Output per JSTL: valid result, code 0
What do your taglib declarations look like? I've only used the JSTL a
little bit, and I found that when you have the wrong taglib URL, things
don't work properly.
- -chris
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Re: NullPointerException when Tomcat calls org.apache.catalina.connector.Request.parseParameters
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Dave,
Resurrecting this thread from last week.
On 10/7/2010 2:53 PM, laredotornado wrote:
> You are correct. This stack trace came from a server with 6.0.13 installed.
> We also observed this in our environment with 6.0.24.
Can you give us the stack trace from 6.0.24?
The line of code for 6.0.13 is this:
2426 if (!getMethod().equalsIgnoreCase("POST"))
2427 return;
The only dereferencing that's going on is against the return from
getMethod, since 'this' can never be null. I don't understand why the
request method would be null.
Can you provide an access log which shows some basic information about
the request (particularly, the HTTP method being used at the time)?
I do know that older versions of Tomcat would allow just any HTTP method
(including nonsense ones like FOOBAR) to be invoked against a JSP. At
some point, it was changed so that a JSP could only respond to (IIRC)
GET and POST. For these old versions, it's possible that a null method
could hit a JSP and trigger this error.
> Right now, it is not
> an option to upgrade.
That's too bad. You should get the latest version (6.0.29) into testing
ASAP: 6.0.13 is over 3 years old and Tomcat has had significant security
improvements since then.
> Is there a work-around?
I would guess that you have a client that is sending a bad HTTP request,
honestly. Is this reproducible? Or are you just seeing errors in your
log files?
> Below is the connector info
> from our server.xml file and the request from the Net panel of Firebug.
The connector configuration shouldn't matter.
> Params:
> next save
>
> Response Headers:
> Date Thu, 07 Oct 2010 18:30:35 GMT
> ServerApache/2.2.4 (Unix) mod_jk/1.2.25
> Location http://laughlin-qa.criticalmass.com:8100//meetings/rfp/save.jsp
> Vary User-Agent,Accept-Encoding
> Content-Encoding gzip
> Keep-Alivetimeout=10
> ConnectionKeep-Alive
> Transfer-Encoding chunked
> Content-Type text/html;charset=UTF-8
>
> request headers:
> Request Headersview source
> Host laughlin-qa.criticalmass.com:8100
> User-AgentMozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US;
Hmm... I would expect Firefox to be a decent client :)
I can't tell from this listing: what did the request line look like that
went to the server?
- -chris
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=6D5N
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Re: connection pool
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Tomaz,
On 10/11/2010 4:08 AM, TomazM wrote:
> Why if I reload application which use connection pool doesn't release
> connection's to MySQL DB?
>
> Only if I restart Tomcat connection's are released, is this a bug.
Yes, it is: https://issues.apache.org/bugzilla/show_bug.cgi?id=22626
Remy has chosen not to fix this. I disagree with his reasons, but he's
the Tomcat dev, not me.
I wrote the ServletContextListener shown below to close-down my JNDI
DataSource when my app is taken out of service. I believe the DataSource
itself still hangs around after the webapp is stopped, but at least the
database connections should be closed.
Feel free to use this code however you want.
Configure it in web.xml like this:
...
JNDIDataSourceName
jdbc/myDataSource
...
JNDIDataSourceShutdownListener
Here is the code:
import java.sql.SQLException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import javax.sql.DataSource;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletContextEvent;
/**
* A listener to shut down the JNDI DataSource created by Tomcat
* (but not automatically cleaned up).
*
* @author Chris Schultz
* @version $Revision: 1.1 $ $Date: 2009-08-06 16:42:32 $
*/
public class JNDIDataSourceShutdownListener
implements ServletContextListener
{
private String _dataSourcePath;
public void contextInitialized(ServletContextEvent e)
{
ServletContext application = e.getServletContext();
_dataSourcePath
= application.getInitParameter("JNDIDataSourceName");
if(!_dataSourcePath.startsWith("java:"))
_dataSourcePath = "java:/comp/env/" + _dataSourcePath;
}
/**
* Attempts to close the DataSource
*/
public void contextDestroyed(ServletContextEvent e)
{
ServletContext application = e.getServletContext();
try
{
Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup(_dataSourcePath);
if(null == ds)
{
application.log(getClass().getName()
+ ": No DataSource found at "
+ _dataSourcePath);
}
else
{
application.log(getClass().getName()
+ ": Closing DataSource "
+ _dataSourcePath);
close(ds, application);
application.log(getClass().getName()
+ ": Closed DataSource "
+ _dataSourcePath);
}
}
catch (NamingException ne)
{
application.log(getClass().getName()
+ ": Unable to locate DataSource at "
+ _dataSourcePath, ne);
}
}
private void close(DataSource ds, ServletContext application)
{
try
{
Method closeMethod = ds.getClass().getMethod("close", null);
if(null == closeMethod)
throw new NoSuchMethodException(ds.getClass().getName()
+ ".close()");
closeMethod.invoke(ds, null);
}
catch (Exception e)
{
application.log(getClass().getName()
+ ": Cannot close DataSource", e);
}
}
}
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=ZUk2
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Re: Tomcat 5.5.25 | Memory leak in Web Application
On 13/10/2010 19:14, Christopher Schultz wrote: > Mark, > > On 10/12/2010 5:28 PM, Mark Thomas wrote: >> On 12/10/2010 19:45, Christopher Schultz wrote: >>> markt marked this bug as FIXED, but I see no indication of a resolution. >>> Perhaps that was meant to be WONTFIX? > >> Nope. I meant FIXED. As in "There is now an option you can use to >> disable this behaviour if you don't like it". > > Gotcha. It wasn't clear from the comment that the fix was somewhat of a > workaround. > > Any reason those buffers never release their memory? I believe performance. > Was the complexity > of the proposed fix deemed too high for the rare cases where this > problem occurs (that is, shoddy JSPs)? I believe so but to be honest I haven't looked at the proposed fix for quite some time. > Finally, is this same technique > used in Tomcat 6.x and is the same workaround available? 6.0.x and 7.0.x. Same workaround. Mark - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Starting/Stopping Tomcat from Java program
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Rob,
On 10/11/2010 8:43 AM, Rob Gregory wrote:
> I call the scripts via code to both stop and start Tomcat. There is a
> problem with even calling these scripts via Unix unless you change (cd)
> into the bin directory before running startup.sh as the log paths are
> generated relative to the startup.sh location.
The cwd of the process is irrelevant: the script determines the Tomcat
directory from the location of the script itself.
> String strCatalinaBin = System.getenv("CATALINA_HOME") +
> "\\bin\\";
> File objDir = new File(strCatalinaBin);
> r = Runtime.getRuntime();
> p = r.exec(new String[] { "cmd.exe", "/C", "start",
> strCatalinaBin + "catalina.bat", "start" }, null, objDir);
Note that you are not invoking catalina.bat directly, but instead
invoking the "start" command to invoke catalina.bat.
> p.waitFor();
> p.destroy();
This may stall if the script generates more than a trivial amount of
input. It's always best to drain both the stdout and stderr streams of
any process you launch in order to avoid hangups.
- -chris
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Re: APR based tomcat native library not found
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 To whom it may concern, On 10/12/2010 11:00 AM, efftronics wrote: > I am running apache tomcat 6.0.18 , java 1.6 on windows xp platform. > I copied tcnative-1.dll and openssl.exe(1.1.14 version) in > C:\apache-tomcat-6.0.18\bin . But i when i run > startup.bat it showing that "APR based tcnative library not found". It should also dump the value for the system property java.library.path. What value does it show there? Note that Tomcat 6.0.18 is over 2 years old. Consider upgrading to the latest. > I also tried with 1.1.8,1.1.0,1.1.19,1.1.20 APR libraries but there > is no use.Plaease help me.Which version i have to use.Please provide > the link. http://tomcat.apache.org/tomcat-6.0-doc/apr.html Note the following, directly from the above link: "Windows binaries are provided for tcnative-1, which is a statically compiled .dll which includes OpenSSL and APR." That means you don't need openssl.exe at all unless you have chosen to use separate, dynamically linked .dll files. It looks like you're doing a little of both. If you use separate .dlls, you need: tcnative.dll, apr.dll, and some kind of openssl library (it's unclear if you need openssl.exe or something else). The binaries I find for 1.1.20 say they were built against APR 1.3.9 and OpenSSL 0.9.8k. So, it sounds like you need to: 1. Use the OpenSSL version that is expected (0.9.8k instead of whatever 1.1.14 is) 2. Add the APR .dll 3. Double-check your java.library.path and make sure the .dll files are in there somewhere (or change your java.library.path) - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky1/LQACgkQ9CaO5/Lv0PDOnwCfciNI61IEMvq4g7dzDbt0bYDg 1NkAnj3qT3rTNL/6n8/KTMZI9kmpK72y =sWhT -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Disable class monitoring for reloading container classes
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jane, On 10/13/2010 1:51 PM, Jane Muse wrote: > I found that reloadable="false" does not suppress tomcat from watching > if files change in WEB-INF/lib, even though the docs say it does: Please log a bug. Note that bugs logged against old versions of Tomcat (6.0.18 is over two years old) are often met with "upgrade to latest, then retest" instructions. Upgrading would certainly be a good idea in general. > Can I safely say I've run into both an IBM and a tomcat bug? I'm not convinced that either are true, honestly. There are plenty of explanations that do not require either your OS or Tomcat to have a bug. > I'm on > tomcat 6.0.18 and I've searched the 6.0.29 change logs, didn't see > anything for this issue that's been fixed. We run in production on 5.5.x and 6.0.x both with default "reloadable" values (that is, "false") and changes to files in WEB-INF/classes and WEB-INF/lib do not trigger automatic reloads. My experience leads me to believe that Tomcat works properly and that your configuration is somehow broken. Can you post your TOMCAT_HOME/conf/context.xml file as well as your webapp's META-INF/context.xml file? Take care to remove sensitive information, particularly from the latter. Thanks, - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky1+a8ACgkQ9CaO5/Lv0PAVswCfaSG12tBF+pILKASF6TKMQatf XvcAoL13iNq5KfXdTljWjAxg6TAl9Hns =k6mc -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Disable class monitoring for reloading container classes
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Jane, On 10/13/2010 1:40 PM, Jane Muse wrote: > Thanks for the java program Chris, I ran it on the version of the O/S > where we get the problem and got results that show a last modified > date that differs by one hour when the time changes due to DST. > > Current GMT time (no DST): 2010-10-12 22:53:27 GMT > Current local time (with DST): 2010-10-12 15:53:28 PDT > File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > last modified timestamp: 1231267693000 > the file was last modified 55656315 seconds ago > last modified as GMT time (no DST): 2009-01-06 18:48:13 GMT > last modified as local time: 2009-01-06 10:48:13 PST > > Change date to: 03/13/10 > > java com.aldon.lifetime.permissions.test.TimeChange > '/Aldon/Aldonls/tomcat20/lib/servlet-api.jar' > Current GMT time (no DST): 2010-03-13 23:55:24 GMT > > Current local time (with DST): 2010-03-13 15:55:24 PST > > File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar] > > last modified timestamp: 1231271293000 > > the file was last modified 37253231 seconds ago > > last modified as GMT time (no DST): 2009-01-06 19:48:13 GMT > > last modified as local time: 2009-01-06 11:48:13 PST > > IBM has said they'll open a discussion with their development team > and try to get a fix out. Someone had a suggestion about the use of NFS. Are you using a remote filesystem that might be mutating the file timestamps? - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky1+KIACgkQ9CaO5/Lv0PA0aQCffNfPI8JGlH9wrzRbzw9rFg9L DCgAnjKwE1Nodu6cj180aKqVfv5pvXBs =ki8t -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat 5.5.25 | Memory leak in Web Application
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Anurag, On 10/12/2010 5:47 PM, Anurag Kapur wrote: > I have probably attached an incomplete snapshot of the memory > utilization graph. I'm only looking at what is on your blog. That graph looks good. Perhaps you could update your blog with a graph that illustrates your conclusion. > I have done a few tests with the JVM argument suggested in the bug > report. The initial tests look good. Good. > Also, yes, ours being a content management application, we have large > body tags. We use several tag libraries that come with the CMS > implementation to fetch content from the CMS. Usually CMS applications /manage/ content, rather than hard-coding it. What kind of huge body tags do you have? Good luck, - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky193MACgkQ9CaO5/Lv0PC8ZwCeOCRg4pGeK7QjTVkeV7tNJUcD GBgAnRO63f4ed/ZRewJcgLC7FwJwLg20 =ZC7S -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Tomcat 5.5.25 | Memory leak in Web Application
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Mark, On 10/12/2010 5:28 PM, Mark Thomas wrote: > On 12/10/2010 19:45, Christopher Schultz wrote: >> markt marked this bug as FIXED, but I see no indication of a resolution. >> Perhaps that was meant to be WONTFIX? > > Nope. I meant FIXED. As in "There is now an option you can use to > disable this behaviour if you don't like it". Gotcha. It wasn't clear from the comment that the fix was somewhat of a workaround. Any reason those buffers never release their memory? Was the complexity of the proposed fix deemed too high for the rare cases where this problem occurs (that is, shoddy JSPs)? Finally, is this same technique used in Tomcat 6.x and is the same workaround available? Thanks, - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky19ugACgkQ9CaO5/Lv0PBRFACgistXA3G55lUJ9hE4Yp43Op/9 CJAAn03E1e/3lxhu6sz3d+/Cj1H+hiP0 =3ZzW -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: unable to access comm ports on apache tomcat 6.0.18
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Ramkumar, On 10/12/2010 11:43 PM, ramkumar wrote: > Thank you for your response. I dont the communication api version i > think it is 2.0. They are on 3.0, now. http://www.oracle.com/technetwork/java/index-jsp-141752.html > I searched for latest version but i could not find it for > windows OS. I get it from some uploader site. There don't appear to be any implementations for Microsoft Windows. What "uploader site" did you get it from? I generally don't just download stuff randomly from unrecognized sites. I guess many Microsoft Windows users do that. - From the Java Communication API download page: " Sun no longer offer's the Windows platform binaries of javax.comm, however javax.comm 2.0.3 can be used for the Windows platform, by using it in conjunction with the Win32 implementation layer provided by the RxTx project. To use that, download javax.comm for the 'generic' platform (which provides the front-end javax.comm API only, without platform specific back-end implementations bundled). Then acquire the Windows binary implementation rxtx-2.0.7pre1 from http://www.rxtx.org. " Sounds relatively straightforward to me. Boy, Sun/Oracle's website is impossible to navigate. Trying to find that download page basically required Google. :( > My WEB-INF\LIB has following jar files Your project's lib directory is a complete mess. As Pid points out, you have a lot of libraries in there that aren't appropriate: remove all the Tomcat-related stuff and maybe put the java-comm.jar or whatever it's called in there. - -chris -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAky19mcACgkQ9CaO5/Lv0PC++ACfahxbaFo3UL1FwnMkIJmJp+mr PUMAoJprTKTCTm9EP1aECFiOvIuqJYUI =abKJ -END PGP SIGNATURE- - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
RE: Disable class monitoring for reloading container classes
Chris,
I found that reloadable="false" does not suppress tomcat from watching
if files change in WEB-INF/lib, even though the docs say it does:
"Set to true if you want Catalina to monitor classes in
/WEB-INF/classes/ and /WEB-INF/lib for changes, and automatically reload
the web application if a change is detected. "
True, there is a bug in the IBM O/S where when DST hits, last modified
date for a file gets interpreted as one hour difference. But if
reloadable="false" was working as it says it should, that would be a way
to get around this bug.
Can I safely say I've run into both an IBM and a tomcat bug? I'm on
tomcat 6.0.18 and I've searched the 6.0.29 change logs, didn't see
anything for this issue that's been fixed.
Thanks,
Jane
-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Sent: Tuesday, October 12, 2010 11:16 AM
To: Tomcat Users List
Subject: Re: Disable class monitoring for reloading container classes
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Jane,
On 10/9/2010 11:09 AM, Jane Muse wrote:
> My understanding from the docs is that reloading="false" means you
> can't drop in a war file while tomcat is running and expect it to
> deploy.
No, ("reloading" is meaningless) means that
Tomcat will ignore any files within a webapp that have been updated.
means that Tomcat will not look for .war files
and automatically deploy them.
> reloading="false" means tomcat is not listening / watching if
> something changes in WEB-INF/classes or WEB-INF/web.xml, and reload if
> there's a change.
Correct, if s/reloading/reloadable/.
> If that's what these mean, then we don't need them.
Generally speaking, it's best to set both of these to "false" in
production because you don't want anything to happen automatically.
> We don't have "WatchedResource" set anywhere either. If anyone knows
> of a way to suppress tomcat from watching if something in WEB-INF/lib
> has changed, I think that might work here.
ought to do the trick.
> But apparently tomcat is hard wired to reload if it thinks there's a
> change in that directory.
Only if reloadable="true", which is NOT the default.
> I'm not sure if that would be considered a bug in the O/S, or the JVM,
> or if tomcat can be made to suppress watching this, similar to what
> the autoDeploy and reloading settings provide. Let's put it this way,
> it would be a lot easier to get a change made to tomcat than to IBM's
> O/S, or Oracle's JVM 8-)
Agreed, but it's hard to imagine how this situation would be detectable.
- -chris
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RE: Disable class monitoring for reloading container classes
Thanks for the java program Chris, I ran it on the version of the O/S where we
get the problem and got results that show a last modified date that differs by
one hour when the time changes due to DST.
Current GMT time (no DST): 2010-10-12 22:53:27 GMT
Current local time (with DST): 2010-10-12 15:53:28 PDT
File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar]
last modified timestamp: 1231267693000
the file was last modified 55656315 seconds ago
last modified as GMT time (no DST): 2009-01-06 18:48:13 GMT
last modified as local time: 2009-01-06 10:48:13 PST
Change date to: 03/13/10
java com.aldon.lifetime.permissions.test.TimeChange
'/Aldon/Aldonls/tomcat20/lib/servlet-api.jar'
Current GMT time (no DST): 2010-03-13 23:55:24 GMT
Current local time (with DST): 2010-03-13 15:55:24 PST
File [/Aldon/Aldonls/tomcat20/lib/servlet-api.jar]
last modified timestamp: 1231271293000
the file was last modified 37253231 seconds ago
last modified as GMT time (no DST): 2009-01-06 19:48:13 GMT
last modified as local time: 2009-01-06 11:48:13 PST
IBM has said they'll open a discussion with their development team and try to
get a fix out.
Thanks to everyone for all the help.
Jane
-Original Message-
From: Christopher Schultz [mailto:ch...@christopherschultz.net]
Sent: Tuesday, October 12, 2010 11:08 AM
To: Tomcat Users List
Subject: Re: Disable class monitoring for reloading container classes
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
André,
On 10/10/2010 9:09 AM, André Warnier wrote:
> What would be really nice, is if someone wrote a quick Java equivalent
> to the perl script I submitted.
See below. There's actually more code than absolutely necessary, but it's more
straightforward this way.
> Now if you *really* insist, the modified version of the perl program,
> below, will explicitly use a couple of C functions, themselves using
> the builtin C structures to get the file's "last modified" time.
>
> Running C in perl, scary stuff..
Are you submitting an application for an obfuscated C program, here?
Sheesh. What's wrong with a little C code?
Amazing: the C code is shorter than the Java code. *shrug*
Time.java (apologies for any re-formatting done by my emailer)
- -
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.TimeZone;
public class Time
{
public static void main(String[] args)
throws Exception
{
if(args.length < 1)
{
System.out.println("Usage: java Time ");
System.exit(1);
}
// GMT current time
Calendar now = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
System.out.println("Current GMT time (no DST): "
+ format(now));
// local current time
now = Calendar.getInstance(); // default = local
System.out.println("Current local time (with DST): "
+ format(now));
// File timestamp
System.out.println("File [" + args[0] + "]");
File file = new File(args[0]);
long timestamp = file.lastModified();
System.out.println("last modified timestamp: " + timestamp);
System.out.println("the file was last modified "
+ ((System.currentTimeMillis() - timestamp) /
1000)
+ " seconds ago");
Calendar tstamp = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
tstamp.setTimeInMillis(file.lastModified());
System.out.println("last modified as GMT time (no DST): "
+ format(tstamp));
tstamp = Calendar.getInstance(); // default=local
tstamp.setTimeInMillis(file.lastModified());
System.out.println("last modified as local time: "
+ format(tstamp));
}
public static String format(Calendar c)
{
SimpleDateFormat format = new SimpleDateFormat("-MM-dd HH:mm:ss z");
//format.setTimeZone(tz);
format.setTimeZone(c.getTimeZone());
return format.format(c.getTime());
}
}
time.c
- --
#include
#include
#include
#include
int main(int argc, char *argv[]) {
time_t now;
struct tm *gmt;
struct tm *local;
struct stat *fileinfo;
int retval;
char *filename;
if(argc < 2) {
printf("missing filename\n");
return 1;
}
filename = argv[1];
gmt = (struct tm*)malloc(sizeof(struct tm));
local = (struct tm*)malloc(sizeof(struct tm));
time(&now);
gmtime_r(&now, gmt);
localtime_r(&now, local);
/* note: as
Re: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux
On 13/10/2010 14:35, Karthik Nanjangude wrote: > Hi > >>> through a firewall > > As I have already told u in the last mail > > 1) We do not have a Firewall You said you did. > 2) All our servers are available locally I didn't understand that, apologies. > 3) We have several UNIX /LINUX servers > > 4) From WIN 2000 server JKD6/jconsole I am able to connect to UNIX server >for Monitoring TOMCAT 6.0.14 > > 5) From WIN 2000 server JKD6/jconsole I am NOT able to connect to Linux >server for Monitoring TOMCAT 6.0.29 What is the output from: netstat -tln on both machines? > Any more ideas would really help me . :(? I would still employ the listener below to ensure the port numbers are predictable. p > Try enabling the "JMX Remote Lifecycle Listener". > > http://tomcat.apache.org/tomcat-6.0-doc/config/listeners.html 0x62590808.asc Description: application/pgp-keys signature.asc Description: OpenPGP digital signature
RE: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux
Hi >> through a firewall As I have already told u in the last mail 1) We do not have a Firewall 2) All our servers are available locally 3) We have several UNIX /LINUX servers 4) From WIN 2000 server JKD6/jconsole I am able to connect to UNIX server for Monitoring TOMCAT 6.0.14 5) From WIN 2000 server JKD6/jconsole I am NOT able to connect to Linux server for Monitoring TOMCAT 6.0.29 Any more ideas would really help me . :(? With regards karthik -Original Message- From: Pid [mailto:p...@pidster.com] Sent: Wednesday, October 13, 2010 5:35 PM To: Tomcat Users List Subject: Re: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux On 13/10/2010 12:12, Karthik Nanjangude wrote: >>> export JAVA_HOME=/opt/java6 >>> echo JAVA_HOME = $JAVA_HOME >>> export CATALINA_OPTS='-Dcom.sun.management.jmxremote.port=8999 >>> -Dcom.sun.management.jmxremote.ssl=false >>> -Dcom.sun.management.jmxremote.authenticate=false' > > Jconsole of JDK6 = : If you're connecting through a firewall, you may run into an issue whereby the second JMX port (the registry port) isn't accessible, because it's assigned to a random port. Try enabling the "JMX Remote Lifecycle Listener". http://tomcat.apache.org/tomcat-6.0-doc/config/listeners.html p - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux
On 13/10/2010 12:12, Karthik Nanjangude wrote: >>> export JAVA_HOME=/opt/java6 >>> echo JAVA_HOME = $JAVA_HOME >>> export CATALINA_OPTS='-Dcom.sun.management.jmxremote.port=8999 >>> -Dcom.sun.management.jmxremote.ssl=false >>> -Dcom.sun.management.jmxremote.authenticate=false' > > Jconsole of JDK6 = : If you're connecting through a firewall, you may run into an issue whereby the second JMX port (the registry port) isn't accessible, because it's assigned to a random port. Try enabling the "JMX Remote Lifecycle Listener". http://tomcat.apache.org/tomcat-6.0-doc/config/listeners.html p 0x62590808.asc Description: application/pgp-keys signature.asc Description: OpenPGP digital signature
RE: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux
Hi >> I'm not playing chase-the-answer with you Nither am I , Replying as per u'r mail >> what details are you putting into the JConsole client instance? >> export JAVA_HOME=/opt/java6 >> echo JAVA_HOME = $JAVA_HOME >> export CATALINA_OPTS='-Dcom.sun.management.jmxremote.port=8999 >> -Dcom.sun.management.jmxremote.ssl=false >> -Dcom.sun.management.jmxremote.authenticate=false' Jconsole of JDK6 = : With regards karthik -Original Message- From: Pid [mailto:p...@pidster.com] Sent: Tuesday, October 12, 2010 1:43 PM To: Tomcat Users List Subject: Re: Is there a Bug with JConsole for monitering TOMCAT 6.0.29 Running on Linux On 12/10/2010 06:53, Karthik Nanjangude wrote: > Hi > >>> Are you connecting through a firewall? > > No Firewall ( ALL of these server's are behind the Firewall and the servers > are available thru a local hub ) > > I am able to use Putty (SSH Port 22) to connect to that server for other > Activities as Start /Srop of TOMCAT 6.0.29 . There was more than one question in my email. I'm not playing chase-the-answer with you, please answer all questions in future. > How have you set the JMX this time, as below? Are you connecting through a firewall? >> Note : >> Earlier I had configured the same for UNIX / Windows for JConsole to Tomcat >> 6.0.14 >> URL : http://old.nabble.com/JMX---jconsole-for-TOMCAT6.0.14-td17778173.html Also: what details are you putting into the JConsole client instance? Are you specifying a host and a port, or are you specifying a full 'service' URI? E.g. service:jmx:rmi://www.hostname.com:port1/jndi/rmi://www.hostname.com:port2/jmxrmi p - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: unable to access comm ports on apache tomcat 6.0.18
On 13 Oct 2010, at 04:44, ramkumar wrote: > Hi, >Thank you for your response. I dont the communication api version i > think it is 2.0. I searched for latest version but i could not find it for > windows OS. I get it from some uploader site. My WEB-INF\LIB has following > jar files Also, which one of these has the Javax.comm api? p >(1)commons-logging-1.1.1.jar >(2)el-api >(3)jakarta-oro-2.0.8 >(4)jasper >(5)jasper-el >(6)jasper-jdt >(7)jigadmin >(8)jigedit >(9)jigsaw >(10)jmimemagic-0.1.0 >(11)jsp-api log4j-1.2.16 >(12)log4j-over-slf4j-1.6.1 >(13)sax >(14)slf4j-api-1.6.1 >(15)slf4j-jcl-1.6.1 >(16)smsj-20051126 >(17)Tidy tomcat-coyote >(18)tomcat-dbcp >(19)tomcat-i18n-es >(20)tomcat-i18n-fr >(21)tomcat-i18n-ja >(22)xerces xmlsec-1.3.0 xp > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: unable to access comm ports on apache tomcat 6.0.18
On 13 Oct 2010, at 04:44, ramkumar wrote: > Hi, >Thank you for your response. I dont the communication api version i > think it is 2.0. I searched for latest version but i could not find it for > windows OS. I get it from some uploader site. My WEB-INF\LIB has following > jar files Okay... It shouldn't have some of those. >(1)commons-logging-1.1.1.jar Remove EL: >(2)el-api >(3)jakarta-oro-2.0.8 Remove Jasper: >(4)jasper >(5)jasper-el >(6)jasper-jdt >(7)jigadmin >(8)jigedit >(9)jigsaw >(10)jmimemagic-0.1.0 Remove JSP >(11)jsp-api > log4j-1.2.16 >(12)log4j-over-slf4j-1.6.1 >(13)sax >(14)slf4j-api-1.6.1 >(15)slf4j-jcl-1.6.1 >(16)smsj-20051126 >(17)Tidy Remove tomcat: > tomcat-coyote >(18)tomcat-dbcp >(19)tomcat-i18n-es >(20)tomcat-i18n-fr >(21)tomcat-i18n-ja p >(22)xerces > -1.3.0 xp > > - > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
Re: Error 503 ocurring when server under load
On 12 October 2010 19:47, Christopher Schultz wrote: > I would. > > I believe that is true. > > On the other hand, there is another case where you might have problems. > If you have, say, 512 worker threads in Apache httpd but you only have, > say, 200 request processor threads configured in Tomcat, then you will > get mod_jk connection failures on the httpd side. > > I would recommend that you have enough request processors configured in > Tomcat to handle the expected load. > > - -chris Thanks Chris (and everyone else for their comments). As an update: I updated Tomcat from 6.0.24 to 6.0.29 and commented out the cachesize directive from workers.properties. The server ran for a full day yesterday and not a single 503 error. :) So with a bit of luck it will continue to work as expected. Of course I'll monitor for any other issues for the next few days. Rob - To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
