PI95283: ECLIPSELINK INSERTOBJECTQUERY CONCURRENCY FAILURE

Fixes are available

APAR status

Closed as program error.

Error description

&#216;
The JPA persistence provider, EclipseLink, has a potential
concurrency issue when committing multiple transactions
across
multiple threads. This issue results in an EclipseLink
exception:
Exception Description: Modify queries require an object to
modify.
Query: InsertObjectQuery(null)

Local fix

Problem summary

****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server Liberty - Java Persistence APA - JPA *
*                  2.1 & EclipseLink                           *
****************************************************************
* PROBLEM DESCRIPTION: During the batch execution of queries,  *
*                      EclipseLink can throw the exception     *
*                      "Query: InsertObjectQuery(null)"        *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
EclipseLink has a concurrency issue with a small window of
failure in its code. This issue allows multiple
InsertObjectQueries to be created across several threads, but
only the last one created will be properly used. The duplicates
will not properly have their descriptor values set and will
cause the exception being seen in the server logs:

Exception Description: Modify queries require an object to
modify. Query: InsertObjectQuery(null)
    at
org.eclipse.persistence.exceptions.QueryException.objectToModify
NotSpecified(QueryException.java:976)
    at
org.eclipse.persistence.queries.ObjectLevelModifyQuery.checkDesc
riptor(ObjectLevelModifyQuery.java:65)
    at
org.eclipse.persistence.queries.InsertObjectQuery.checkForCustom
Query(InsertObjectQuery.java:121)
    at
org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(Datab
aseQuery.java:648)
    at
org.eclipse.persistence.queries.DatabaseQuery.checkPrepare(Datab
aseQuery.java:622)
    at
org.eclipse.persistence.mappings.AggregateCollectionMapping.getA
ndPrepareModifyQueryForInsert(AggregateCollectionMapping.java:25
60)
    at
org.eclipse.persistence.mappings.AggregateCollectionMapping.preI
nsert(AggregateCollectionMapping.java:2512)
    at
org.eclipse.persistence.descriptors.DescriptorQueryManager.preIn
sert(DescriptorQueryManager.java:1105)
    at
org.eclipse.persistence.internal.queries.DatabaseQueryMechanism.
insertObjectForWrite(DatabaseQueryMechanism.java:439)
    at
org.eclipse.persistence.queries.InsertObjectQuery.executeCommit(
InsertObjectQuery.java:80)

Problem conclusion

The fix for this APAR changes the EclipseLink implementation and
involves an update to the thirdparty source. See
https://bugs.eclipse.org/bugs/show_bug.cgi?id=500753

The fix for this APAR is currently targeted for inclusion in
Service Level (Fix Pack) 9.0.0.9 of WebSphere Application Server
version 9.0 and in fix pack 18.0.0.2 for WebSphere Application
Server Liberty. 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
PI95283
Reported component name
LIBERTY PROFILE
Reported component ID
5724J0814
Reported release
CD0
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-03-16
Closed date
2018-05-08
Last modified date
2018-05-08

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

RCD0 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":"CD0","Line of Business":{"code":"LOB45","label":"Automation"}}]

Document Information

Modified date:
04 May 2022

Tips

PI95283: ECLIPSELINK INSERTOBJECTQUERY CONCURRENCY FAILURE

Fixes are available

Subscribe

APAR status

Closed as program error.

Error description

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

APAR number

Reported component name

Reported component ID

Reported release

Status

PE

HIPER

Special Attention

Submitted date

Closed date

Last modified date

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

Fixed component ID

Applicable component levels

RCD0 PSY

Document Information

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