PQ73332: STARTING SERVERINSTANCE IN WSAD, GET CONCURRENTMODIFICATIONEXE

 Fixes are available

PQ73332: Starting server instance in WSAD, get ConcurrentModificationException
4.0.7: WebSphere Application Server Version 4.0 Fix Pack 7
WAS_Classloader_07-18-2003_5.0.1-5.0.0_cumulative_Fix



APAR status
Closed as program error.

Error description
When starting the serverInstance in WSAD, customer intermittenly
see's  java.util.ConcurrentModificationException in the Console
Local fix Problem summary
****************************************************************
* USERS AFFECTED: WebSphere Application Server users;          *
*                 WebSphere Studio Application Developer       *
*                 Unit Test Environment users.                 *
****************************************************************
* PROBLEM DESCRIPTION: In environments where dynamic class     *
*                      reloading is enabled (e.g. WebSphere    *
*                      Studio Application Developer Unit       *
*                      Test Environment), intermittent         *
*                      ConcurrentModificationException's may   *
*                      be encountered.                         *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
Classloader reloading code was not thread-safe in the particular
area where file timestamp changes are detected.
Problem conclusion
Added synchronizing logic to the classloader so that the
reload detection code is now threadsafe.
Temporary fix
Passing test fix up to L2.
Comments
APAR information
APAR number PQ73332
Reported component name WEBSPHERE AES N
Reported component ID 5630A2301
Reported release 400
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Submitted date 2003-04-17
Closed date 2003-06-03
Last modified date 2003-06-17

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:
PQ75346

Modules/Macros
ClassLdr          

SRLS

Fix information

Applicable component levels
R400 PSY    UP


Document Information


Product categories: Software > Application Servers > Distributed Application & Web Servers > WebSphere Application Server > General
Operating system(s):
Software version: 400
Software edition:
Reference #: PQ73332
IBM Group: Software Group
Modified date: Jun 17, 2003