PQ76093: JVM problems involving crash and hangs

 Fixes are available

***SUPERCEDED*** 1.3.1 Java SDK, Java Tech Edition for WebSphere v5
5.0.2.2: WebSphere Application Server V5.0.2 Cumulative Fix 2



APAR status
Closed as program error.

Error description
This APAR addresses these problems:

The Sovereign JVM hangs 100% of the time when the first
   thread exits and profiling is enabled
Crash when hot replacing a static method
Crash during hotswap (JNI-related)
Local fix
Provide repackaged JDK that include sov Defect 62535
This fix is included in the IBM jdks beginning with
ca131-20030711a (for AIX) and with the equivalent
builds for the other platforms.
Problem summary
****************************************************************
* USERS AFFECTED: All users of IBM WebSphere Application       *
*                 Server 5.0.2 with the Java Virtual Machine   *
*                 Interface ( JVMPI ).                         *
****************************************************************
* PROBLEM DESCRIPTION: A problem with the Java Virtual         *
*                      Machine ( JVM )  results in WebSphere   *
*                      crashing and hanging.                   *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When running IBM WebSphere Application Server 5.0.2 with
certain monitoring products, a user may see IBM WebSphere
Application Server hang or crash.
This failure has been seen with IBM WebSphere Studio
Application Monitor , IBM WebSphere Application Developer
( WSAD ), Sitraka Software's JProbe 3.0 , and Borland's
OptimizeIt .
The cause of the problem is locking issues with the
level 0 heapdump command from the JVMPI interface.
Problem conclusion
To resolve this problem a repackaged IBM Developer Kit must be
provided that includes sov defect 62535.
Temporary fix Comments
APAR information
APAR number PQ76093
Reported component name WAS BASE 5.0
Reported component ID 5630A3600
Reported release 00A
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Special Attention NoSpecatt
Submitted date 2003-07-08
Closed date 2003-08-01
Last modified date 2003-10-24

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros
JDK          

Publications Referenced

Fix information

Applicable component levels
R003 PSY    UP
R00A PSY    UP
R00H PSY    UP
R00I PSY    UP
R00P PSY    UP
R00S PSY    UP
R00W PSY    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > General
Operating system(s):
Software version: 00A
Software edition:
Reference #: PQ76093
IBM Group: Software Group
Modified date: Oct 24, 2003