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From Marcin Zajaczkowski <>
Subject Tomcat service is terminated unexpectedly (tcnative-1.dll)
Date Fri, 17 Oct 2008 13:17:47 GMT

I have o problem with Tomcat 5.5.26 using native DLL on Windows 2003. 
The service is terminated unexpectedly (regarding to the system logs). 
It happens very irregular (sometimes a few times in an hour, sometimes 
once per week). In the stack trace (attached) there is:

# An unexpected error has been detected by HotSpot Virtual Machine:
#  EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x58d845a4, pid=3472, 
# Java VM: Java HotSpot(TM) Server VM (1.5.0_16-b02 mixed mode)
# Problematic frame:
# C  [tcnative-1.dll+0x45a4]

Which points to the native library. I have seen quite old (from 2006) 
bug 38898 [1], but there in a stack trace jvm.dll is mentioned, so I'm 
not sure if it's a duplicate.
I don't see any other problems in tomcat logs (there was an issue with 
OutOfMemoryError some time earlier, but currently Tomcat can use 1,25GB 
and it seems to be enough). It's a test system with 1GB RAM + 1,5GB swap 
on a VMWare Server.

[1] -

Is it possible (using attached stack trace or by increasing a log 
details) determine what causes the problem?

Thanks for your help

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