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Date: Sun, 03 Jul 2011 14:38:47 +0100
From: Mark Thomas <markt@apache.org>
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Multiple errors (regressions) on Tomcat 7.0.17
References: <002701cc3980$5c83a430$158aec90$@preisser@t-online.de>
In-Reply-To: <002701cc3980$5c83a430$158aec90$@preisser@t-online.de>
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On 03/07/2011 13:54, eurotrans-Verlag wrote:
> Hi all,
> 
> today I downloaded the not yet released Tomcat 7.0.17 (downloaded it from
> http://people.apache.org/~markt/dev/tomcat-7/v7.0.17/bin/ ) to test it on a
> Windows Server 2008 R2 (64 bit) system with Sun Java 1.6.0_26 (64 bit),
> using IIS 7.5 and the ISAPI Redirector 1.2.32 (from
> http://people.apache.org/~mturk/tomcat-connectors/jk/binaries/windows/ ). I
> used the 64 bit versions of Tomcat and the ISAPI redirector.
> 
> I noticed some regressions which do not occur when using Tomcat 7.0.16
> instead.
> 
> 
> 1) When declaring the CrawlerSessionManagerValve at Engine level in
> server.xml:
> 
> <Valve className="org.apache.catalina.valves.CrawlerSessionManagerValve"/>
> 
> then I get a NPE when a client makes a request to Tomcat (or to IIS, which
> is redirected to Tomcat by the ISAPI redirector):

If you explicitly set crawlerUserAgents, that will be resolved.

> 2) When using the ISAPI Redirector 1.2.32 and Tomcat Native 1.1.20 which is
> included in the windows distribution, I get these errors when a client makes
> a request to IIS which is redirected to Tomcat, resulting in 100% CPU usage
> by tomcat's process:

Under what circumstances? Some requests, all requests? The APR/native
AJP connector works with mod_jk and mod_proxy_ajp on linux so it looks
like either the ISAPI redirector is sending something unexpected that
isn't handled well or the windows specific code in the APR/native
connector isn't handling something.

Mark


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