Re: [Dev] How to get a thread dump for a crashed Java process
Hi Pandula, On Mon, Jan 5, 2015 at 2:09 PM, Vanjikumaran Sivajothy va...@wso2.com wrote: you can find the process id in CARBON_HOME/wso2carbon.pid On Mon, Jan 5, 2015 at 1:30 PM, Pandula Kariyawasam pand...@wso2.com wrote: Hi All, Is it possible to get a thread dump for a crashed Java process? We are working on a long run test for IS 500, and a one node of the cluster went down/crashed without leaving any Errors on Logs yesterday. The Heap Dump which should get created after a memory level failure, in /repository/logs/heap-dump.hprof is not there. Also we tried searching the process id on log in /var/log/ , but there's no clue. Also we tried various commands to create a dump, but all of them are looking for a process that currently running. We cannot get a thread-dump if the process is not running at a particular time. What are the other options we have, and where else we should search for a clue? Thanks, Pandula -- *Pandula Kariyawasam K.B.* *Senior Software Engineer - QA* Mobile: +94772314510 http://www.wso2.com ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev -- Sivajothy Vanjikumaran *Senior Software Engineer* *Integration Technologies Team* *WSO2 Inc. http://wso2.com http://wso2.com/* *Mobile:(+94)777219209* [image: Facebook] https://www.facebook.com/vanjikumaran [image: Twitter] https://twitter.com/vanjikumaran [image: LinkedIn] http://www.linkedin.com/pub/vanjikumaran-sivajothy/25/b31/293 [image: Blogger] http://vanjikumaran.blogspot.com/ [image: SlideShare] http://www.slideshare.net/vanjikumaran This communication may contain privileged or other confidential information and is intended exclusively for the addressee/s. If you are not the intended recipient/s, or believe that you may have received this communication in error, please reply to the sender indicating that fact and delete the copy you received and in addition, you should not print, copy, re-transmit, disseminate, or otherwise use the information contained in this communication. Internet communications cannot be guaranteed to be timely, secure, error or virus-free. The sender does not accept liability for any errors or omissions ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev -- *Isuru Udana* Senior *Software Engineer* WSO2 Inc.; http://wso2.com email: isu...@wso2.com cell: +94 77 3791887 blog: http://mytecheye.blogspot.com/ twitter: http://twitter.com/isudana ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev
Re: [Dev] How to get a thread dump for a crashed Java process
you can find the process id in CARBON_HOME/wso2carbon.pid On Mon, Jan 5, 2015 at 1:30 PM, Pandula Kariyawasam pand...@wso2.com wrote: Hi All, Is it possible to get a thread dump for a crashed Java process? We are working on a long run test for IS 500, and a one node of the cluster went down/crashed without leaving any Errors on Logs yesterday. The Heap Dump which should get created after a memory level failure, in /repository/logs/heap-dump.hprof is not there. Also we tried searching the process id on log in /var/log/ , but there's no clue. Also we tried various commands to create a dump, but all of them are looking for a process that currently running. What are the other options we have, and where else we should search for a clue? Thanks, Pandula -- *Pandula Kariyawasam K.B.* *Senior Software Engineer - QA* Mobile: +94772314510 http://www.wso2.com ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev -- Sivajothy Vanjikumaran *Senior Software Engineer* *Integration Technologies Team* *WSO2 Inc. http://wso2.com http://wso2.com/* *Mobile:(+94)777219209* [image: Facebook] https://www.facebook.com/vanjikumaran [image: Twitter] https://twitter.com/vanjikumaran [image: LinkedIn] http://www.linkedin.com/pub/vanjikumaran-sivajothy/25/b31/293 [image: Blogger] http://vanjikumaran.blogspot.com/ [image: SlideShare] http://www.slideshare.net/vanjikumaran This communication may contain privileged or other confidential information and is intended exclusively for the addressee/s. If you are not the intended recipient/s, or believe that you may have received this communication in error, please reply to the sender indicating that fact and delete the copy you received and in addition, you should not print, copy, re-transmit, disseminate, or otherwise use the information contained in this communication. Internet communications cannot be guaranteed to be timely, secure, error or virus-free. The sender does not accept liability for any errors or omissions ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev
Re: [Dev] How to get a thread dump for a crashed Java process
Thanks Isuru Vanji, Are there any JVM level logs or any other logs we can refer to find out the reason for the crash? Thanks, Pandula On Mon, Jan 5, 2015 at 2:14 PM, Isuru Udana isu...@wso2.com wrote: Hi Pandula, On Mon, Jan 5, 2015 at 2:09 PM, Vanjikumaran Sivajothy va...@wso2.com wrote: you can find the process id in CARBON_HOME/wso2carbon.pid On Mon, Jan 5, 2015 at 1:30 PM, Pandula Kariyawasam pand...@wso2.com wrote: Hi All, Is it possible to get a thread dump for a crashed Java process? We are working on a long run test for IS 500, and a one node of the cluster went down/crashed without leaving any Errors on Logs yesterday. The Heap Dump which should get created after a memory level failure, in /repository/logs/heap-dump.hprof is not there. Also we tried searching the process id on log in /var/log/ , but there's no clue. Also we tried various commands to create a dump, but all of them are looking for a process that currently running. We cannot get a thread-dump if the process is not running at a particular time. What are the other options we have, and where else we should search for a clue? Thanks, Pandula -- *Pandula Kariyawasam K.B.* *Senior Software Engineer - QA* Mobile: +94772314510 http://www.wso2.com ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev -- Sivajothy Vanjikumaran *Senior Software Engineer* *Integration Technologies Team* *WSO2 Inc. http://wso2.com http://wso2.com/* *Mobile:(+94)777219209* [image: Facebook] https://www.facebook.com/vanjikumaran [image: Twitter] https://twitter.com/vanjikumaran [image: LinkedIn] http://www.linkedin.com/pub/vanjikumaran-sivajothy/25/b31/293 [image: Blogger] http://vanjikumaran.blogspot.com/ [image: SlideShare] http://www.slideshare.net/vanjikumaran This communication may contain privileged or other confidential information and is intended exclusively for the addressee/s. If you are not the intended recipient/s, or believe that you may have received this communication in error, please reply to the sender indicating that fact and delete the copy you received and in addition, you should not print, copy, re-transmit, disseminate, or otherwise use the information contained in this communication. Internet communications cannot be guaranteed to be timely, secure, error or virus-free. The sender does not accept liability for any errors or omissions ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev -- *Isuru Udana* Senior *Software Engineer* WSO2 Inc.; http://wso2.com email: isu...@wso2.com cell: +94 77 3791887 blog: http://mytecheye.blogspot.com/ twitter: http://twitter.com/isudana -- *Pandula Kariyawasam K.B.* *Senior Software Engineer - QA* Mobile: +94772314510 http://www.wso2.com ___ Dev mailing list Dev@wso2.org http://wso2.org/cgi-bin/mailman/listinfo/dev
