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From Will Glass-Husain <wglasshus...@gmail.com>
Subject Re: request thread hanging
Date Mon, 06 Jul 2009 20:15:02 GMT
Interestingly - I can easily reproduce this by repeatedly refreshing
the page when going through httpd

When I go direct to Tomcat via http, it works fine.

Maybe it's something about httpd or mod_jk then?

WILL


On Mon, Jul 6, 2009 at 12:10 PM, Christopher
Schultz<chris@christopherschultz.net> wrote:
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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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