APAR status
Closed as program error.
Error description
When lazy deletion of pages is disabled, the deletion of a page can cause a hang of Portal server due to an infinite loop with extensive DB lookup. Stacktrace in javacore looks as follows: ... at com.ibm.wps.datastore.impl.federation.ResourceHomeImpl .find(ResourceHomeImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl .loadResource(ContentModelImpl.java) at com.ibm.wps.model.content.impl.ResourceLoadingTask .doItYourself(ResourceLoadingTask.java) at com.ibm.wps.model.content.impl.ConcurrentTaskSynchronizer .synchronizeTask(ConcurrentTaskSynchronizer.java) at com.ibm.wps.model.content.impl.ContentModelImpl .loadResourceSynchronized(ContentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl .lookupResource(ContentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl .resolveResource(ContentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl .resolveResource(ContentModelImpl.java) at com.ibm.wps.model.impl.PagedResourceIterator .hasNext(PagedResourceIterator.java)
Local fix
Problem summary
When lazy deletion of pages is disabled, the deletion of a page can cause a hang of Portal server due to an infinite loop with extensive DB lookup. Stacktrace in javacore looks as follows: at com.ibm.wps.datastore.impl.federation.ResourceHomeImpl.find(Reso urceHomeImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl.loadResource(Con tentModelImpl.java) at com.ibm.wps.model.content.impl.ResourceLoadingTask.doItYourself( ResourceLoadingTask.java) at com.ibm.wps.model.content.impl.ConcurrentTaskSynchronizer.synchr onizeTask(ConcurrentTaskSynchronizer.java) at com.ibm.wps.model.content.impl.ContentModelImpl.loadResourceSync hronized(ContentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl.lookupResource(C ontentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl.resolveResource( ContentModelImpl.java) at com.ibm.wps.model.content.impl.ContentModelImpl.resolveResource( ContentModelImpl.java) at com.ibm.wps.model.impl.PagedResourceIterator.hasNext(PagedResour ceIterator.java)
Problem conclusion
The code to load pages deleted in the database but partially still in cache has been fixed to handle the described situation. Failing Module(s): Engine: Page Assembly Affected Users: All Version Information: Portal Version(s): 6.0.1.5 Pre-Requisite(s): PM20318 Co-Requisite(s): --- Portal Version(s): 6.1.0.3 Pre-Requisite(s): --- Co-Requisite(s): --- Manuel Steps: None Platform Specific: This fix applies to all platforms. A fix is available from Fix Central: http://www.ibm.com/eserver/support/fixes/fixcentral/swgquickorde r?apar=PM20341&productid=WebSphere%20Portal&brandid=5 You may need to type or paste the complete address into your Web browser. PM20341 is also part of Cumulative Fix 07 for Portal 6.1.0.3 / 6.1.5.0: http://www.ibm.com/eserver/support/fixes/fixcentral/swgquickorde r?apar=PM18585&productid=WebSphere%20Portal&brandid=5 and part of Cumulative Fix 07 for Portal 6.1.0.4 / 6.1.5.1: http://www.ibm.com/eserver/support/fixes/fixcentral/swgquickorde r?apar=PM18610&productid=WebSphere%20Portal&brandid=5
Temporary fix
Comments
APAR Information
APAR number
PM20341
Reported component name
WEBSPHERE PORTA
Reported component ID
5724E7600
Reported release
601
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-08-13
Closed date
2010-08-31
Last modified date
2010-08-31
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
WEBSPHERE PORTA
Fixed component ID
5724E7600
Applicable component levels
R60J PSY
UP
R615 PSY
UP
R61C PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSHRKX","label":"WebSphere Portal"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.0.1","Line of Business":{"code":"LOB31","label":"WCE Watson Marketing and Commerce"}}]
Document Information
Modified date:
21 December 2021