PQ57446: WHEN INSTALLING AN EAR WITH EJB'S IN WAS 4.0.2 AND CHOOSING TO REGENERATE THE DEPLOYED CODE, THERE ARE PERFORMANCE ISSUES.

 A fix is available

EJB Container; 4.0.2-4.0.7: Component Cumulative fix for EJB Container



APAR status
Closed as program error.

Error description
When customer installs enterprise app (with ejb's) in Websphere
(WAS) 4.0.2, and chooses to regenerate the deployed code, there
is a performance degradation where extra sql select statements
are generated by the container.  If customer uses code generated
from 4.0.1 or a previous release, this does not happen.
.
keywords: websphere WAS 4.0 4.0.2 ptf ejb container 40 402 401
4.0.1
Local fix
Workaround is to deploy code that is generated with WAS 4.0.1
or an earlier version.
Problem summary
****************************************************************
* USERS AFFECTED: WebSphere Application Server users that      *
*                 have defined EJB generalizations /           *
*                 object inheritance.                          *
****************************************************************
* PROBLEM DESCRIPTION: When executing an EJB finder method     *
*                      on the home of an EJB, if a subclass    *
*                      is found, it may be returned as the     *
*                      parent type.                            *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
When executing an EJB finder method on the home of an EJB, if a
subclass is found, it may be returned as the parent type.
Problem conclusion
The problem is resolved by installing efix PQ57446_eFix.jar.
Temporary fix
PQ57446_eFix.jar
Comments
APAR information
APAR number PQ57446
Reported component name WEBSPHERE AE NT
Reported component ID 5630A2201
Reported release 400
Status CLOSED PER
PE NoPE
HIPER NoHIPER
Submitted date 2002-02-04
Closed date 2002-02-26
Last modified date 2002-02-26

APAR is sysrouted FROM one or more of the following:

APAR is sysrouted TO one or more of the following:

Modules/Macros
EJBCNTR          

SRLS

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 #: PQ57446
IBM Group: Software Group
Modified date: Feb 26, 2002