We are running Tomcat 5.0.19 on a 2003 Windows Server. We have installed jdk
1.4. Time to time (about once a week) Tomcat crashes and a hr_ess_pidxxx-
error-message is placed under the /bin catalogue of Tomcat. This problem
started after changing from a Windows NT server where we were using an older
version, 3.2, of Tomcat. 
I have searched the Archive Lists and also searched the web, and I see that
using an odbc.jdbc bridge may cause this kind of problems. We are not using
this bridge.

Thanks in advance for any advice for solving my problem or helping me
understand what is wrong and where.


This is the error-message that we get: 


An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : EXCEPTION_ACCESS_VIOLATION (0xc0000005) occurred at
PC=0x67EC3CA5
Function=[Unknown.]
Library=C:\NORMAN\Nvc\BIN\Niphk.dll

NOTE: We are unable to locate the function name symbol for the error
      just occurred. Please refer to release documentation for possible
      reason and solutions.


Current Java thread:
        at java.net.PlainSocketImpl.socketClose0(Native Method)
        at java.net.PlainSocketImpl.socketPreClose(PlainSocketImpl.java:607)
        at java.net.PlainSocketImpl.close(PlainSocketImpl.java:451)
        - locked <0x100556c8> (a java.lang.Object)
        at java.net.Socket.close(Socket.java:1247)
        - locked <0x10055630> (a java.lang.Object)
        - locked <0x10055618> (a java.net.Socket)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
ction(Http11Protocol.java:775)
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:619)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
a:688)
        at java.lang.Thread.run(Thread.java:534)

Dynamic libraries:
0x00400000 - 0x00406000         C:\java\bin\java.exe
0x77F40000 - 0x77FFA000         C:\WINDOWS\system32\ntdll.dll
0x77E40000 - 0x77F34000         C:\WINDOWS\system32\kernel32.dll
0x77DA0000 - 0x77E30000         C:\WINDOWS\system32\ADVAPI32.dll
0x77C50000 - 0x77CF4000         C:\WINDOWS\system32\RPCRT4.dll
0x77BA0000 - 0x77BF4000         C:\WINDOWS\system32\MSVCRT.dll
0x67EC0000 - 0x67EF8000         C:\NORMAN\Nvc\BIN\Niphk.dll
0x77D00000 - 0x77D8F000         C:\WINDOWS\system32\USER32.dll
0x77C00000 - 0x77C44000         C:\WINDOWS\system32\GDI32.dll
0x770E0000 - 0x7715D000         C:\WINDOWS\system32\OLEAUT32.dll
0x77160000 - 0x77284000         C:\WINDOWS\system32\ole32.dll
0x08000000 - 0x08136000         C:\java\jre\bin\client\jvm.dll
0x76AA0000 - 0x76ACC000         C:\WINDOWS\system32\WINMM.dll
0x10000000 - 0x10007000         C:\java\jre\bin\hpi.dll
0x002E0000 - 0x002EE000         C:\java\jre\bin\verify.dll
0x00950000 - 0x00968000         C:\java\jre\bin\java.dll
0x002F0000 - 0x002FD000         C:\java\jre\bin\zip.dll
0x03360000 - 0x0336F000         C:\java\jre\bin\net.dll
0x71C00000 - 0x71C18000         C:\WINDOWS\system32\WS2_32.dll
0x71BF0000 - 0x71BF8000         C:\WINDOWS\system32\WS2HELP.dll
0x71B20000 - 0x71B63000         C:\WINDOWS\system32\mswsock.dll
0x71AE0000 - 0x71AE8000         C:\WINDOWS\System32\wshtcpip.dll
0x76ED0000 - 0x76EF7000         C:\WINDOWS\system32\DNSAPI.dll
0x76F70000 - 0x76F77000         C:\WINDOWS\System32\winrnr.dll
0x76F10000 - 0x76F3F000         C:\WINDOWS\system32\WLDAP32.dll
0x76F80000 - 0x76F85000         C:\WINDOWS\system32\rasadhlp.dll
0x045F0000 - 0x046FA000         C:\java\jre\bin\awt.dll
0x73070000 - 0x73096000         C:\WINDOWS\system32\WINSPOOL.DRV
0x76290000 - 0x762AD000         C:\WINDOWS\system32\IMM32.dll
0x76C10000 - 0x76C38000         C:\WINDOWS\system32\imagehlp.dll
0x6D580000 - 0x6D621000         C:\WINDOWS\system32\dbghelp.dll
0x77B90000 - 0x77B98000         C:\WINDOWS\system32\VERSION.dll
0x76B70000 - 0x76B7B000         C:\WINDOWS\system32\PSAPI.DLL

Heap at VM Abort:
Heap
 def new generation   total 1984K, used 624K [0x10010000, 0x10230000,
0x104f0000)
  eden space 1792K,  24% used [0x10010000, 0x1007c3a8, 0x101d0000)
  from space 192K, 100% used [0x101d0000, 0x10200000, 0x10200000)
  to   space 192K,   0% used [0x10200000, 0x10200000, 0x10230000)
 tenured generation   total 25908K, used 14723K [0x104f0000, 0x11e3d000,
0x14010000)
   the space 25908K,  56% used [0x104f0000, 0x11350e90, 0x11351000,
0x11e3d000)
 compacting perm gen  total 15872K, used 15772K [0x14010000, 0x14f90000,
0x18010000)
   the space 15872K,  99% used [0x14010000, 0x14f77260, 0x14f77400,
0x14f90000)

Local Time = Thu Jun 03 11:15:33 2004
Elapsed Time = 15021
#
# The exception above was detected in native code outside the VM
#
# Java VM: Java HotSpot(TM) Client VM (1.4.2-b28 mixed mode)
#


Best regards
Mirjam Fredriksen




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