Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-06 Thread André Warnier
Bill Davidson wrote: I really would like to be able to run these kind of tools across a firewall. I can't believe there are no provisions for it. Seems there is now. Haven't tried it yet, but will soon, if I can upgrade that Tomcat. Previous messages in this thread give more clues.

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-06 Thread Rainer Jung
On 03.02.2009 16:31, Steve Cohen wrote: We have an application that runs under Tomcat under RHEL 5.0 and is launched by a jsvc daemon. It chugs along seemingly fine on several servers, yet yesterday crashed on one of them with the above exception seemingly without experiencing any kind of

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-05 Thread Bill Davidson
Christopher Schultz wrote: What about forwarding X through the tunnel instead? I've tried that and found it to be unusably slow. Just using Cygwin/X though. I'm not sure about those fancy light weight X compression systems. I really would like to be able to run these kind of tools across a

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-04 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 André, André Warnier wrote: Steve Cohen wrote: [...] Which means I'm looking for command-line equivalents for what JConsole does, particularly the threads tab. Any ideas along that path? Not really a help here, but as I have discovered

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-04 Thread Christopher Schultz
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Steve, Steve Cohen wrote: One additional restriction I have is a security bureaucracy from hell. You can use jmap from the command-line. That will give you a thread dump which can help you see what all your threads are doing. If you are using a

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-04 Thread André Warnier
Christopher Schultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 André, André Warnier wrote: Steve Cohen wrote: [...] Which means I'm looking for command-line equivalents for what JConsole does, particularly the threads tab. Any ideas along that path? Not really a help here, but

RE: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-04 Thread Peter Crowther
From: André Warnier [mailto:a...@ice-sa.com] Christopher Schultz wrote: What about forwarding X through the tunnel instead? You can't, because it is variable. It is the result of some internal negotiation between Jconsole and the remote JVM. Apparently, anyway. I haven't managed to make

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-03 Thread Pieter Temmerman
Hi Steve, Some great tools to monitor your Tomcat installations are: - Jconsole (make sure you get the topthreads plugin) - VisualVM - VisualGC - Jmap Hope that helps. On Tue, 2009-02-03 at 09:31 -0600, Steve Cohen wrote: We have an application that runs under Tomcat under RHEL 5.0 and is

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-03 Thread Steve Cohen
One additional restriction I have is a security bureaucracy from hell. As far as console access I have a two-hop connection. As far as GUI access I have some crappy device to log into that lets me have really bad keyboard/mouse control of the machine, which, unless I can overcome this means

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-03 Thread ovidiu asiminei
Hi Steve, Also, a good tool for monitoring Tomcat is Lamda Probe http://www.lambdaprobe.org/d/index.htm Regards, Ovidiu On Tue, Feb 3, 2009 at 9:31 AM, Steve Cohen sco...@javactivity.org wrote: We have an application that runs under Tomcat under RHEL 5.0 and is launched by a jsvc

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-03 Thread Kees Jan Koster
Dear Steve, One additional restriction I have is a security bureaucracy from hell. As far as console access I have a two-hop connection. Is there no test system that you can use to reproduce this, under less insane restrictions? Have you considered hauling your behind to the data center

Re: [Tomcat] [daemon] java.lang.OutOfMemoryError unable to create new native thread

2009-02-03 Thread André Warnier
Steve Cohen wrote: [...] Which means I'm looking for command-line equivalents for what JConsole does, particularly the threads tab. Any ideas along that path? Not really a help here, but as I have discovered JConsole wont't even work through a simple SSH tunnel, because it wants to