"XmlPullParserException" is thrown during instance creation in Business Automation Manager Open Edition.

Troubleshooting

Problem

During instance creation, `org.xmlpull.v1.XmlPullParserException` is thrown from `org.jbpm.process.instance.ProcessRuntimeImpl.startProcess`.

Symptom

In the logs, a similar stack can be observed:

2023-02-29 01:23:45,678 ERROR [org.kie.server.remote.rest.casemgmt.AbstractCaseResource] (default task-12) Unexpected error during processing : com.thoughtworks.xstream.io.StreamException: 
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:124)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readRealEvent(AbstractPullReader.java:148)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.readEvent(AbstractPullReader.java:141)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:118)
	at com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:103)
	at com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:63)
	at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1321)
	at com.thoughtworks.xstream.XStream.fromXML(XStream.java:1312)
	at org.jbpm.process.core.datatype.impl.type.ObjectDataType.readValue(ObjectDataType.java:130)
	at org.jbpm.process.core.context.variable.VariableScope.validateVariable(VariableScope.java:113)
	at org.jbpm.process.instance.AbstractProcessInstanceFactory.createProcessInstance(AbstractProcessInstanceFactory.java:61)
	at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:311)
	at org.jbpm.process.instance.ProcessRuntimeImpl.createProcessInstance(ProcessRuntimeImpl.java:293)
	at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:276)
	at org.drools.core.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:1859)
	at org.drools.core.command.runtime.process.StartCorrelatedProcessCommand.execute(StartCorrelatedProcessCommand.java:146)
	at org.drools.core.command.runtime.process.StartCorrelatedProcessCommand.execute(StartCorrelatedProcessCommand.java:44)
	...
Caused by: org.xmlpull.v1.XmlPullParserException: only whitespace content allowed before start tag and not 2 (position: START_DOCUMENT seen 2... @1:2) 
	at io.github.xstream.mxparser.MXParser.parseProlog(MXParser.java:1528)
	at io.github.xstream.mxparser.MXParser.nextImpl(MXParser.java:1406)
	at io.github.xstream.mxparser.MXParser.next(MXParser.java:1104)
	at com.thoughtworks.xstream.io.xml.XppReader.pullNextEvent(XppReader.java:109)
	... 142 more

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSFVHI5","label":"IBM Business Automation Manager Open Editions"},"ARM Category":[{"code":"a8m3p000000LRU1AAO","label":"BPMN"}],"ARM Case Number":"TS013769403","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Document Information

More support for:
IBM Business Automation Manager Open Editions

Component:
BPMN

Software version:
All Versions

Document number:
7030265

Modified date:
01 September 2023

UID

ibm17030265

IBM Support

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