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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: request thread hanging
Date Mon, 06 Jul 2009 19:10:08 GMT
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Will,

On 7/6/2009 2:23 PM, Will Glass-Husain wrote:
> I've got request threads hanging

[snip]

> My configuration is httpd 2.0.52 -> mod_jk 1.2.26 -> Tomcat 6.0.18
> (Windows) with tcnative 1.1.14.

When performing benchmarking of all Tomcat's connectors (see this
thread:
http://www.nabble.com/Apache-httpd-vs-Tomcat-static-content-performance-td23598263.html#a23598263),
I came across a similar problem: NIO + tcnative = dangling file handles.
I was running out of file handles, and a thread dump was not possible
(see thread:
http://www.nabble.com/NIO-Connector%3A-Too-many-open-files-td23655733.html).

Apparently there was a nasty bug in 6.0.18 where files were not being
closed properly in the NIO connector. Perhaps there were other fixes
after 6.0.18 that might improve your situation. Try upgrading to 6.0.20
to see if things improve.

Do you experience the same behavior when httpd is not part of the setup?

- -chris
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