PQ70465: DEADLOCK BETWEEN COM.IBM.SERVLET.CLASSLOADER.POWERCLASSLOADER AND COM.IBM.SERVLET.ENGINE.WEBAPP.WEBAPPSERVLETMANAGER

A fix is available
WebSphere Application Server Version 3.5 Fix Pack 7 (3.5.7)

APAR

APAR status
Closed as program error.

Error description
DEADLOCK BETWEEN COM.IBM.SERVLET.CLASSLOADER.POWERCLASSLOADER
AND COM.IBM.SERVLET.ENGINE.WEBAPP.WEBAPPSERVLETMANAGER
Local fix
Problem summary
****************************************************************
* USERS AFFECTED: All users of WebSphere Application Server    *
*                 release 3.5.6                                *
****************************************************************
* PROBLEM DESCRIPTION: Dead lock between com.ibm.servlet.      *
*                      classloader.PowerClassLoader AND        *
*                      com.ibm.servlet.engine.webapp.          *
*                      WebAppServletManager .                  *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
The deadlock is occuring during a webapp reload and happening
between PowerclassLoader and WebAppServletManager. The webapp
reload is triggered since they are updating application jar
file.
Problem conclusion
Fixed code in PowerClassLoader file to prevent the deadlock.
Temporary fix
PQ70465_Test.jar
Comments
APAR information
APAR numberPQ70465
Reported component nameWAS ADVANCED AI
Reported component ID5648C8400
Reported release350
StatusCLOSED PER
PENoPE
HIPERNoHIPER
Submitted date2003-01-30
Closed date2003-02-12
Last modified date2003-02-12

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:APAR is sysrouted FROM one or more of the following:


Modules/Macros
ENGINE
APAR is sysrouted TO one or more of the following:Modules/Macros

Fix information
Fixed component nameWAS ADVANCED AI
Fixed component ID5648C8400

Applicable component levels
R350 PSYUP











Document Information

Product categories: Software, Application Servers, Distributed Application & Web Servers, WebSphere Application Server, General
Software version: 350
Reference #: PQ70465
IBM Group: Software Group
Modified date: 2003-02-12