APAR status
Closed as program error.
Error description
There is a process app depends on a toolkit, and there are complex Business Object definitions in the toolkit. If a variable was added with type defined in this toolkit to a BPD, no matter how simple this BPD is, there will be out of memory error as soon as a BPD instance started (Even the inspector view can not be seen). Reproduce Steps: 1) import the attached .twx file according to your BPM version. 2) run process (there is only one process in both .twx file) directly. 3) wait for about 3-5 mins, OOM error will be thrown. p.s. you can also start instance from process portal, the test result is same. Findings: 1) The problem is not resolved even after increasing process center's max heap size to 2G from 768M (default value). 2) From the GC log, excessive GC detected. The application seems to be using some quite large objects. The largest request which triggered an allocation failure was for 5106912 bytes. 3) From the Javacore, Java heap is almost exhausted : 0% free Java heap The number of waiting on condition threads are 228 ( 89% ) thread method: Method Name Number of Threads Percentage java/lang/Object.wait(Native Method) 189 74 (%) java/lang/Thread.sleep(Native Method) 13 5 (%) ...
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: User has complex business object defined * * in business process. * **************************************************************** * PROBLEM DESCRIPTION: There is a process app depends on a * * toolkit, and there are complex * * Business Object definitions in the * * toolkit. If a variable was added with * * type defined in this toolkit to a * * BPD, no matter how simple this BPD is, * * there will be out of memory error as * * soon as a BPD instance started (Even * * the inspector view can not be seen). * **************************************************************** * RECOMMENDATION: * **************************************************************** OutOfMemory issue caused by complex business object definition.
Problem conclusion
In version 7.5.0 Fix Pack 1 (7.5.0.1), this fix is available as a part of the JR42581 ifix package. JR42581 can be downloaded from Fix Central: http://www-933.ibm.com/support/fixcentral/swg/quickorder?parent= ibm~WebSphere&product=ibm/WebSphere/IBM+Business+Process+Manager +Advanced&release=7.5.0.1&platform=All&function=fixId&fixids=7.5 .0.1-WS-BPM-IFJR42581&includeSupersedes=0&source=fc The installation instruction can be downloaded along with JR42581 ifix file.
Temporary fix
Comments
APAR Information
APAR number
JR41386
Reported component name
BPM ADVANCED
Reported component ID
5725C9400
Reported release
750
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2011-12-06
Closed date
2012-01-20
Last modified date
2013-05-31
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
BPM ADVANCED
Fixed component ID
5725C9400
Applicable component levels
R750 PSY
UP
R751 PSY
UP
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSFTN5","label":"IBM Business Process Manager Advanced"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.5","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
31 May 2013