[jboss-jira] [JBoss JIRA] Closed: (JBRULES-3222) Error unmarshalling knowledgeSession with Facts inserted in entry-points

[Mark Proctor (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Proctor closed JBRULES-3222.
---------------------------------



> Error unmarshalling knowledgeSession with Facts inserted in entry-points
> ------------------------------------------------------------------------
>
>                 Key: JBRULES-3222
>                 URL: https://issues.jboss.org/browse/JBRULES-3222
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core
>    Affects Versions: 5.2.0.Final, 5.3.0.Beta1
>            Reporter: Stefan Wehner
>            Assignee: Mark Proctor
>              Labels: entry-point, marshall, npe, unmarshall
>             Fix For: 5.3.0.Final
>
>         Attachments: persist_testcase.tgz
>
>
> When trying to marshall and then unmarshall a StatefulKnowledgeSession where a Fact has been inserted into an entry-point a NullPointerException is thrown:
> java.lang.NullPointerException
> 	at org.drools.reteoo.RuleTerminalNodeLeftTuple.<init>(RuleTerminalNodeLeftTuple.java:151)
> 	at org.drools.reteoo.RuleTerminalNode.createLeftTuple(RuleTerminalNode.java:608)
> 	at org.drools.marshalling.impl.InputMarshaller.readLeftTuple(InputMarshaller.java:523)
> 	at org.drools.marshalling.impl.InputMarshaller.readFactHandles(InputMarshaller.java:373)
> 	at org.drools.marshalling.impl.InputMarshaller.readSession(InputMarshaller.java:230)
> 	at org.drools.marshalling.impl.DefaultMarshaller.unmarshall(DefaultMarshaller.java:92)
> 	at org.drools.marshalling.impl.DefaultMarshaller.unmarshall(DefaultMarshaller.java:63)
> 	at com.sample.DroolsTest.main(DroolsTest.java:50)
> Provided is a testcase with two simple rules matching Fact objects directly and from the entry-point "facts".
> A fact is inserted directly into the knowledgeSession and then it is marshalled and unmarshalled - which works fine.
> Then a fact is inserted into a entry-point "facts" and the session is marshalled and unmarshalled - which throws the NPE.

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