Re: Tomcat Application Stops Responding

2015-11-17 Thread Cohen, Laurence
Yep, I figured that out. Now I'm just waiting for the app to freeze. Unfortunately I can't email the thread dump to myself because it's on a private network. Well I can, but I can't move it from the private network. On Tue, Nov 17, 2015 at 1:43 PM, Christopher Schultz < ch...@christopherschultz.

Re: Tomcat Application Stops Responding

2015-11-17 Thread Christopher Schultz
Larry, On 11/17/15 10:13 AM, Cohen, Laurence wrote: > Chris, that's what I'm planning on doing. But how do I get the pid since > it will change each time I bounce the java process? Also, I'll have to > figure out how to read the thread dump. You should be able to use "ps" and "grep" to find the

Re: Tomcat Application Stops Responding

2015-11-17 Thread Cohen, Laurence
Chris, that's what I'm planning on doing. But how do I get the pid since it will change each time I bounce the java process? Also, I'll have to figure out how to read the thread dump. Thanks for all of your help. Larry Cohen On Mon, Nov 16, 2015 at 5:48 PM, Christopher Schultz < ch...@christop

Re: Tomcat Application Stops Responding

2015-11-16 Thread Christopher Schultz
Larry, On 11/16/15 5:08 PM, Cohen, Laurence wrote: > Thank you Christopher. I'm going to start with the thread dump since we > are using jdk and that appears very straightforward. Part of my dilemma is > that the problem is occurring on a private network where I do not have > access to the inter

Re: Tomcat Application Stops Responding

2015-11-16 Thread Cohen, Laurence
Thanks for pointing out these tools. Larry Cohen On Mon, Nov 16, 2015 at 5:06 PM, Tauzell, Dave wrote: > A monitoring tool like App Dynamics will give you lots of info but some > quicker tests you can do with built-in tools: > > - Check that the CPU on your server is not at 100% > - Use jstack

Re: Tomcat Application Stops Responding

2015-11-16 Thread Cohen, Laurence
Thank you Christopher. I'm going to start with the thread dump since we are using jdk and that appears very straightforward. Part of my dilemma is that the problem is occurring on a private network where I do not have access to the internet. Our public facing application with the same exact buil

RE: Tomcat Application Stops Responding

2015-11-16 Thread Tauzell, Dave
A monitoring tool like App Dynamics will give you lots of info but some quicker tests you can do with built-in tools: - Check that the CPU on your server is not at 100% - Use jstack to get a stack dump: http://docs.oracle.com/javase/7/docs/technotes/tools/share/jstack.html .I will take a

Re: Tomcat Application Stops Responding

2015-11-16 Thread Christopher Schultz
Larry, On 11/16/15 4:42 PM, Cohen, Laurence wrote: > Are there any tools that come with Java that I can use to troubleshoot an > intermittent problem we are having? The problem is that several times a > day, our Tomcat applications will stop responding and I'll have to restart > them to get them