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From Markus Schönhaber <mailing-tomcat-...@schoenhaber.de>
Subject Re: tcnative-1.dll crashes jvm: how do i provide
Date Tue, 15 May 2007 16:10:37 GMT
Stu Thompson wrote:

> My webapp can somewhat regularly crash the JVM on multiple machines.
> Most of the hotspot dump files are remarkably consistence with where the
> error is occurring...then again, I do know what is important and what is
> not.  Running tomcat without tcnative-1.dll resolves the problem but I'd
> like to help find the solution.  While researching this issue, it has
> become clear that I should submit debugging info that would be generated
> by having a specially compiled tcnative-1.dll what would provide a stack
> trace.  C programming (and compiling) is not exactly my thing, so...
> 
> Where can I get myself a tcnative-1.dll binary compiled with debugging
> symbol?  

I don't know if pre-built binaries with debugging symbols are available
somewhere. But you can always roll your own tcnative-1.dll. The sources
are available from
http://tomcat.heanet.ie/native/

>  - OS: Windows XP and Server 2003
> 
> - Java: 1.5.0_08-b03, 1.5.0_07-b03, ...
> 
> - Tomcat: 6.0.10

But before I'd start with debugging, I'd install the latest update for
the JVM and the latest version of the native DLL an check whether the
problem still shows.

Regards
  mks

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