BPMN editor not working
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I'm trying to move from Drools 5.1.1 to 5.2 and I'm reworking my .rf files
into .bpmn files, but I've run into an issue - I use the wizard to create a
new file like MainFlow.bpmn. After I create it, I open it using the BPMN2
process editor and all is well. However, if I add anything to the diagram
and close it, I get an error when I try to reopen it. "An exception
occurred while reading in the RuleFlow XML:null See the error log for more
details".
Any ideas what might be wrong? Where would I find the error log?
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I found the log and the problem. Here's a snippet of the log:
!ENTRY org.drools.eclipse 4 120 2011-07-19 11:04:57.102
!MESSAGE Internal error in Drools Plugin:
!STACK 0
java.lang.NullPointerException
at org.jbpm.bpmn2.xml.di.BPMNPlaneHandler.end(BPMNPlaneHandler.java:75)
at
org.drools.xml.ExtensibleXmlParser.endElement(ExtensibleXmlParser.java:414)
at
com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:601)
at
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.endElement(XMLSchemaValidator.java:795)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1774)
at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2930)
The issue is that the flow didn't have an ID. This feels like a bug to me.
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Jamie