Using BPEL Worklist Under Stress Get Error: ORABPEL-30801 Error selecting user metadata from repository (Doc ID 1314060.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle SOA Suite - Version 11.1.1.1.0 and later
Information in this document applies to any platform.
***Checked for relevance on 22-January-2014***

Symptoms

In a 10g BPEL system your are running a high volume of instances that use BPEL Worklist/Workflow.  The following errors have been seen in the $ORACLE_HOME/opmn/logs/<BPEL container name>.log:

<2011-03-18 18:10:08,579> <ERROR> <default.collaxa.cube.services> <::> ORABPEL-30801
<2011-03-18 18:10:08,579> <ERROR> <default.collaxa.cube.services> <::>
<2011-03-18 18:10:08,579> <ERROR> <default.collaxa.cube.services> <::> Error selecting user metadata from repository.
<2011-03-18 18:10:08,579> <ERROR> <default.collaxa.cube.services> <::> An attempt to select data from table WFUserTaskView resulted in the error: java.lang.String
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::>
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::> at oracle.bpel.services.workflow.repos.driver.WFUserTaskView.getUserTaskViewList(WFUserTaskView.java:272)
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::> at oracle.bpel.services.workflow.repos.driver.PersistencyService.getUserTaskViewList(PersistencyService.java:574)
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::> at oracle.bpel.services.workflow.user.impl.UserMetadataService.getUserTaskViewList(UserMetadataService.java:361)
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::> at oracle.bpel.services.workflow.user.ejb.UserMetadataServiceBean.getUserTaskViewList(UserMetadataServiceBean.java:124)
<2011-03-18 18:10:08,580> <ERROR> <default.collaxa.cube.services> <::> at sun.reflect.GeneratedMethodAccessor74.invoke(Unknown Source)
.
.
.
<2011-03-18 18:10:08,582> <ERROR> <default.collaxa.cube.services> <::> at oracle.bpel.services.workflow.repos.driver.WFUserTaskView.getUserTaskViewList(WFUserTaskView.java:266)
<2011-03-18 18:10:08,582> <ERROR> <default.collaxa.cube.services> <::> ... 29 more
<2011-03-18 18:10:08,582> <ERROR> <oracle.bpel.services.workflow> <::> java.lang.String
java.lang.ClassCastException: java.lang.String
at oracle.xml.parser.v2.XMLElement.xdkGetQxName(XMLElement.java:4003)
at oracle.xml.parser.v2.XMLElement.getPrefix(XMLElement.java:514)
at oracle.xml.parser.v2.XMLElement.checkNamespace(XMLElement.java:3669)
at oracle.xml.parser.v2.XMLDocument.createElementNS(XMLDocument.java:2111)
at oracle.xml.parser.v2.XMLElement.xdkCopyNode(XMLElement.java:3503)
at oracle.xml.parser.v2.XMLDocument.adoptNode(XMLDocument.java:1926)
at oracle.xml.jaxb.JaxbNode.syncOwnerDocument(JaxbNode.java:689)
at oracle.xml.jaxb.JaxbNode.setElement(JaxbNode.java:354)
at oracle.bpel.services.workflow.user.model.ViewSummaryTypeImpl.setOwner(ViewSummaryTypeImpl.java:73)




Cause

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