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From "James Courtney" <>
Subject RE: Out of Threads error
Date Fri, 04 Aug 2006 19:17:51 GMT
Thanks Tim!

I'd been grepping only *.java files.  Doh!


-----Original Message-----
From: Tim Funk [] 
Sent: Friday, August 04, 2006 11:34 AM
To: Tomcat Developers List
Subject: Re: Out of Threads error

For tomcat 5:
find . -type f |xargs grep "Increase maxThreads"


James Courtney wrote:
> I'm getting this message from my Tomcat 5.0.28 on Linux.
> 2006-08-02 21:01:19: ERROR All threads (400) are currently busy, 
> waiting. Increase maxThreads (400) or check the servlet status
> Originally I had 200 threads configured and now 400 in an attempt to 
> avoid it.  Either number seems larger than what should be necessary.  
> It seems quite likely that there's an application issue causing all 
> threads to block and accumulate or something so I need to do a kill -3

> next time it happens to try and see what everyone is up to.  That 
> said, I was attempting to grep the Tomcat source code for where this 
> message is logged and thus where I hoped to find and understand better

> the thread manager.  I grepped for "Increase maxThreads", "Increase", 
> and "are currently busy" all to no avail in finding the code doing the
> Is the code which logs this message part of a dependency library not 
> in the tomcat source tree?  If so, which one please.  I just want to 
> understand the application behavior when the limit is reached.

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