PQ66600: WAS 4.0+ PERFORMANCE DEGRADATION ON JNDI NAME NOT FOUND EXCEPTIONS.

APAR status
Closed as program error.

Error description
JNDI lookup method is very expensive. It spends excesive time in
the return path via the "name not found" exception handler.
.
A stack trace is logged on every name not found exception.
Logging the stack trace should only happen if trace is enabled.
Local fix Problem summary
****************************************************************
* USERS AFFECTED: Users who have WebSphere Application Server  *
*                 Release 4.0.1, 4.0.2, or 4.0.3 installed     *
*                 may affected by this problem. The problem    *
*                 is fixed in the release 4.0.4.               *
****************************************************************
* PROBLEM DESCRIPTION: A JDNI lookup method takes excessive    *
*                      time to return in the case of name      *
*                      not found.                              *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
The stack trace is logged on every NameNotFoundException.  As a
result, time spent on the lookup is longer than expected in the
case of name not found.
Problem conclusion
For each NameNotFoundException, the stack trace is logged only
when the trace is enabled.
Temporary fix Comments
APAR information
APAR number PQ66600
Reported component name WEBSPHERE AE NT
Reported component ID 5630A2201
Reported release 400
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Submitted date 2002-09-25
Closed date 2002-09-30
Last modified date 2002-09-30

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros
NAMING          

Fix information
Fixed component name WEBSPHERE AE NT
Fixed component ID 5630A2201

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 #: PQ66600
IBM Group: Software Group
Modified date: Sep 30, 2002