PQ74544: WHEN CUSTOMER'S VALUEUNBOUND() METHOD CAUSES RUN TIME EXCEPTION,INVALIDATION THREAD IS GOING TO SLEEP CAUSING DELAY IN INVALIDAT

 A fix is available

5.0.2: WebSphere Application Server Version 5.0 Fix Pack 2 (Version 5.0.2)



APAR status
Closed as program error.

Error description
When there is an uncaught exception in the customer's valueUnbou
nd() method, invalidation thread is going to sleep. This causes
slow invalidation of session objects, and shows symptom similar
to a memory leak.
Local fix Problem summary
****************************************************************
* USERS AFFECTED: WebSphere Application Server -- Session      *
*                 Manager Users                                *
****************************************************************
* PROBLEM DESCRIPTION: Robust Handling by Invalidation         *
*                      Thread required for an exception        *
*                      thrown in the valueUnbound method.      *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
The Invalidation Thread in the database persistence case during
listener processing reads in the object from the database and
invokes the valueUnbound method. If the valueUnbound method
throws a RunTime Exception the Invalidation Thread was halting
that particular round of invalidation processing and would
resume processing only after the sleep interval.
Problem conclusion
This has been changed so that the session on which the Runtime
exception is not invalidated and the Invalidation Thread
continues with the invalidation processing for the other
sessions.
Temporary fix Comments
APAR information
APAR number PQ74544
Reported component name WAS BASE 5.0
Reported component ID 5630A3600
Reported release 00W
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Special Attention NoSpecatt
Submitted date 2003-05-23
Closed date 2003-05-23
Last modified date 2003-05-23

APAR is sysrouted FROM one or more of the following:
PQ70246

APAR is sysrouted TO one or more of the following:

Modules/Macros
SESSIONS          

Publications Referenced

Fix information
Fixed component name WAS BASE 5.0
Fixed component ID 5630A3600

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


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > General
Operating system(s):
Software version: 00W
Software edition:
Reference #: PQ74544
IBM Group: Software Group
Modified date: May 23, 2003