Jason J [https://community.jboss.org/people/jasonjho] created the discussion
"XOR split error - sequenceFlow condition not evaluating" To view the discussion, visit: https://community.jboss.org/message/773762#773762 -------------------------------------------------------------- I just upgraded to Drools 5.5.0.CR1 and jBPM 5.4.0.CR1. I have a workflow that has been working just fine on Drools 5.3.1.Final and jBPM 5.2.Final, but is breaking on the new version. *Problem* I have a diverging XOR gateway that is failing to evaluate on either branch. <sequenceFlow id="_31-_43" sourceRef="_31" targetRef="_43" name="Saved" tns:priority="2" > <conditionExpression xsi:type="tFormalExpression" language="http://www.java.com/java" > QueryResults queryResults = kcontext.getKnowledgeRuntime().getQueryResults("Saved"); Iterator iter = queryResults.iterator(); if(!iter.hasNext()) { return false; } QueryResultsRow qResult = (QueryResultsRow)iter.next(); SaveEvent se = (SaveEvent) qResult.get( "$saveEvent" ); return se != null; </conditionExpression> </sequenceFlow> <sequenceFlow id="_31-_45" sourceRef="_31" targetRef="_45" name="Published" tns:priority="2" > <conditionExpression xsi:type="tFormalExpression" language="http://www.java.com/java" > QueryResults queryResults = kcontext.getKnowledgeRuntime().getQueryResults("Published"); Iterator iter = queryResults.iterator(); if(!iter.hasNext()) { return false; } QueryResultsRow qResult = (QueryResultsRow)iter.next(); PublishEvent pe = (PublishEvent) qResult.get( "$publishEvent" ); return pe != null; </conditionExpression> </sequenceFlow> Here's an example of one of the rule queries that is being invoked: query "Save" $processInstance : WorkflowProcessInstance() $saveEvent : SaveEvent() end The condition for either branch is based on the existence of a Fact in the working memory (thus, the need to use a rule query), and not a process variable which most conditions seem to be based on. Is this a known regression? I don't see why this would start failing on an upgraded deployment. Thanks to anyone who can help. -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/773762#773762] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034]
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