Re: Tomcat6.0.18+Log entries upon shutting down TomCat
Johnny Kewl wrote: Look I dont know, I've never seen this, we dont run the latest as policy... But I would drop back a few TC versions... Given http://tomcat.apache.org/security-6.html, downgrading is really bad advice. Added to which, it won't change anything. I think a wrapper represents a servlet instance... (guess)... and 253,020 sounds like a huge number. It is, and my previous on this thread explains it. I think you should be concerned... whether it is a TC issue or a Webapp issue you only going to discover if you try a few TC's that have been around for a while... Trying different Tomcat versions isn't going to help. I think document your entire system the JRE as well... and if it does not show in an earlier TC, let the dev group know No need, we already know. As would you if you had a) used Google, b) looked in Bugzilla or c) searched the archives for this list. The thing that would tell you that there is definitely an issue, is if you watch the memory during the load test... if thats getting less and less with time its crashing... I think you mean free memory here. Increasing memory usage during a load test isn't necessarily an issue as long as it levels off eventually. If you suspect a memory leak the only real way to be sure is to use a profiler and look at the actual usage. It seems to be holding servlets in memory and making new ones... it may not be TC... you now have to experiment No need to experiment. A little research was all that was required. Mark - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Tomcat6.0.18+Log entries upon shutting down TomCat
Hi All, My first question in this forum . I am load testing our webapp using Jmeter . The test was configured to simulate 50 simultaneous users . After running the test for about 18hours or so , I decided to shutdown Tomcat and after executing shutdown.bat file , I got the following messages inside catalina.2008-09-23.log . At the time when I stopped Tomcat, Jmeter was showing as all the 50 threads up and running . My question : 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated means ? 2. Are these messages worrisome from the application point of view ? . Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,020 instance(s) to be deallocated Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,016 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,015 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count
Re: Tomcat6.0.18+Log entries upon shutting down TomCat
Hi Subhrajyoti, I don't know an answer for your question, but I got exactly the same problems after upgrading from Tomcat 6.0.14 to 6.0.18. This problem happenend when using APR. After switching back to 6.0.14, my problem disappeared. Are you using APR, too? I think this is worrisome for an application, because my tomcat started to freeze completely after all threads had been in this 'waiting for deallocation' state. Best regards, Heiko [EMAIL PROTECTED] wrote: Hi All, My first question in this forum . I am load testing our webapp using Jmeter . The test was configured to simulate 50 simultaneous users . After running the test for about 18hours or so , I decided to shutdown Tomcat and after executing shutdown.bat file , I got the following messages inside catalina.2008-09-23.log . At the time when I stopped Tomcat, Jmeter was showing as all the 50 threads up and running . My question : 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated means ? 2. Are these messages worrisome from the application point of view ? . Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,020 instance(s) to be deallocated Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,016 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,015 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat6.0.18+Log entries upon shutting down TomCat
Guys, As a load tester should I have to worry about the INFO messages mentioned below in this thread I am getting no clue as to where they creep from ?Is it Tomcat problem or our application problem? Any insights ? Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count Heiko Klein [EMAIL PROTECTED] 09/23/2008 03:52 PM Please respond to Tomcat Users List users@tomcat.apache.org To Tomcat Users List users@tomcat.apache.org cc Subject Re: Tomcat6.0.18+Log entries upon shutting down TomCat Hi Subhrajyoti, I don't know an answer for your question, but I got exactly the same problems after upgrading from Tomcat 6.0.14 to 6.0.18. This problem happenend when using APR. After switching back to 6.0.14, my problem disappeared. Are you using APR, too? I think this is worrisome for an application, because my tomcat started to freeze completely after all threads had been in this 'waiting for deallocation' state. Best regards, Heiko [EMAIL PROTECTED] wrote: Hi All, My first question in this forum . I am load testing our webapp using Jmeter . The test was configured to simulate 50 simultaneous users . After running the test for about 18hours or so , I decided to shutdown Tomcat and after executing shutdown.bat file , I got the following messages inside catalina.2008-09-23.log . At the time when I stopped Tomcat, Jmeter was showing as all the 50 threads up and running . My question : 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated means ? 2. Are these messages worrisome from the application point of view ? . Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,020 instance(s) to be deallocated Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,016 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,015 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat6.0.18+Log entries upon shutting down TomCat
[EMAIL PROTECTED] wrote: Guys, As a load tester should I have to worry about the INFO messages mentioned below in this thread They are INFO messages so it is reasonable to assume that they are for information rather than anything to worry about. I am getting no clue as to where they creep from ? Did you try Googling for instance(s) to be deallocated? Is it Tomcat problem or our application problem? That the numbers are unrealistically high is a known Tomcat bug but not one that will cause any real harm. https://issues.apache.org/bugzilla/show_bug.cgi?id=45608 You might have some long running requests hanging around which could be an application issue but you'll need to use other means (eg thread dump) to figure out if that is the case. Mark Any insights ? Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count Heiko Klein [EMAIL PROTECTED] 09/23/2008 03:52 PM Please respond to Tomcat Users List users@tomcat.apache.org To Tomcat Users List users@tomcat.apache.org cc Subject Re: Tomcat6.0.18+Log entries upon shutting down TomCat Hi Subhrajyoti, I don't know an answer for your question, but I got exactly the same problems after upgrading from Tomcat 6.0.14 to 6.0.18. This problem happenend when using APR. After switching back to 6.0.14, my problem disappeared. Are you using APR, too? I think this is worrisome for an application, because my tomcat started to freeze completely after all threads had been in this 'waiting for deallocation' state. Best regards, Heiko [EMAIL PROTECTED] wrote: Hi All, My first question in this forum . I am load testing our webapp using Jmeter . The test was configured to simulate 50 simultaneous users . After running the test for about 18hours or so , I decided to shutdown Tomcat and after executing shutdown.bat file , I got the following messages inside catalina.2008-09-23.log . At the time when I stopped Tomcat, Jmeter was showing as all the 50 threads up and running . My question : 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated means ? 2. Are these messages worrisome from the application point of view ? . Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,020 instance(s) to be deallocated Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,016 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,015 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: Tomcat6.0.18+Log entries upon shutting down TomCat
Subhrajyoti Look I dont know, I've never seen this, we dont run the latest as policy... But I would drop back a few TC versions... I think a wrapper represents a servlet instance... (guess)... and 253,020 sounds like a huge number. I think you should be concerned... whether it is a TC issue or a Webapp issue you only going to discover if you try a few TC's that have been around for a while... I think document your entire system the JRE as well... and if it does not show in an earlier TC, let the dev group know The thing that would tell you that there is definitely an issue, is if you watch the memory during the load test... if thats getting less and less with time its crashing... It seems to be holding servlets in memory and making new ones... it may not be TC... you now have to experiment ... it doesnt look right... but then it may be that your system is just enormous ;) ... or some new feature in the latest TC ?? I think you right been concerned... doesnt smell right ;) --- HARBOR : http://www.kewlstuff.co.za/index.htm The most powerful application server on earth. The only real POJO Application Server. See it in Action : http://www.kewlstuff.co.za/cd_tut_swf/whatisejb1.htm --- - Original Message - From: [EMAIL PROTECTED] To: users@tomcat.apache.org Sent: Tuesday, September 23, 2008 11:20 AM Subject: Tomcat6.0.18+Log entries upon shutting down TomCat Hi All, My first question in this forum . I am load testing our webapp using Jmeter . The test was configured to simulate 50 simultaneous users . After running the test for about 18hours or so , I decided to shutdown Tomcat and after executing shutdown.bat file , I got the following messages inside catalina.2008-09-23.log . At the time when I stopped Tomcat, Jmeter was showing as all the 50 threads up and running . My question : 1. What this line INFO: Waiting for 253,020 instance(s) to be deallocated means ? 2. Are these messages worrisome from the application point of view ? . Sep 23, 2008 1:53:38 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Sep 23, 2008 1:53:39 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,020 instance(s) to be deallocated Sep 23, 2008 1:53:40 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,016 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 253,015 instance(s) to be deallocated Sep 23, 2008 1:53:41 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:42 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 42 instance(s) to be deallocated Sep 23, 2008 1:53:43 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:44 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:45 PM org.apache.catalina.core.StandardWrapper unload INFO: Waiting for 7,570 instance(s) to be deallocated Sep 23, 2008 1:53:53 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Regards, Subhrajyoti Mobile: +919830079545 Mail: [EMAIL PROTECTED] Web: www.labware.com LabWare LIMS Solutions - Results Count - To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
