Fixes are available
APAR status
Closed as program error.
Error description
OSGi applications fail due to JPA entities not being enhanced. Whilst the error seen is not always consistent, one of the more common exceptions seen is org.apache.openjpa.persistence.ArgumentException: Attempt to cast instance "something@34f734f7" to PersistenceCapable failed.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server Liberty Profile using enterprise * * bundle archive (EBAs) and Java Persistence * * API (JPA). * **************************************************************** * PROBLEM DESCRIPTION: Load time JPA enhancement fails for * * EBAs. * **************************************************************** * RECOMMENDATION: * **************************************************************** Entity enhancement in Apache OpenJPA ‚  can fail due to multiple threads simultaneously requesting enhancement of different classes.
Problem conclusion
To fix the issue the code has been changed to synchronize requests for enhancement so that multiple threads cannot simultaneously make requests. The fix for this APAR is currently targeted for inclusion in fix pack 8.5.0.1. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
Comments
APAR Information
APAR number
PM68504
Reported component name
LIBERTY PROFILE
Reported component ID
5724J0814
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-07-10
Closed date
2012-09-26
Last modified date
2012-09-26
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
LIBERTY PROFILE
Fixed component ID
5724J0814
Applicable component levels
R850 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"850","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
29 October 2021