PK94212; 6.1.0.5: eXtreme Scale causes rollback of WebSphere global transaction

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Abstract

When WebSphere® eXtreme Scale clients are run in a WebSphere transaction global context, the WebSphere transaction can roll back.

Download Description

PK94212 resolves the following problem:

ERROR DESCRIPTION:
Due to incorrect timeout settings in eXtreme Scale server configuration, when job tries to commit the transaction, the eXtreme Scale server votes to rollback.

LOCAL FIX:
n/a

PROBLEM SUMMARY

USERS AFFECTED:
All users of WebSphere® eXtreme Scale Version 6.1 and 7.0 who are using the ObjectGrid component in a WebSphere Application Server environment.

PROBLEM DESCRIPTION:
When eXtreme Scale clients are run in a WebSphere transaction global context, the WebSphere transaction can roll back.

RECOMMENDATION:
None

When eXtreme Scale clients and servers are run in WebSphere Application Server processes, the WebSphere Application Server transaction component enlists the server as a resource during client to server communication. The WebSphere transaction component rolls back the WebSphere transaction when the transaction duration is longer than the configured WebSphere transaction timeout value. The eXtreme Scale client code was changed to prevent the WebSphere transaction component from enlisting eXtreme Scale servers as resources in the WebSphere transaction.

PROBLEM CONCLUSION:
An interim fix will be made available for this APAR. A future cumulative fix will correct the problem for WebSphere eXtreme Scale Version 6.1.0.5 FIX 4 and 7.0.0.1 FIX1.

See the Recommended Updates page for delivery information:
http://www.ibm.com/support/docview.wss?rs=3023&uid=swg27005709

Prerequisites

PK93428

URL LANGUAGE SIZE(Bytes)
UpdateInstaller US English 7250000

Installation Instructions

Please review the readme.txt for detailed installation instructions.

URL LANGUAGE SIZE(Bytes)
Readme US English 4978

Download package

Download RELEASE DATE LANGUAGE SIZE(Bytes) Download Options
What is DD?
6.1.0.5-WS-WXDOG-IFPK94212 08-25-2009 US English 352490 FTP DD

Technical support

Contact IBM Support using SR (http://www.ibm.com/software/support/probsub.html), visit the WebSphere Extended Deployment Support Web site (http://www.ibm.com/software/webservers/appserv/extend/support/), or contact 1-800-IBM-SERV (U.S. only).

Cross Reference information
Segment Product Component Platform Version Edition
Application Servers WebSphere eXtreme Scale General AIX, HP-UX, Linux, Solaris, Windows

Problems (APARS) fixed
PK94212

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Document information


More support for:

WebSphere Extended Deployment
ObjectGrid

Software version:

6.1.0.5

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Software edition:

All Editions

Reference #:

4024194

Modified date:

2010-02-20

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