[jboss-jira] [JBoss JIRA] Created: (JBRULES-2331) StatefulKnowledgeSession unmarshal fails with NPE

[Justin Waugh (JIRA)]

StatefulKnowledgeSession unmarshal fails with NPE
-------------------------------------------------

                 Key: JBRULES-2331
                 URL: https://jira.jboss.org/jira/browse/JBRULES-2331
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-core  (expert)
    Affects Versions: 5.1.0.M1, 5.0.1.FINAL
         Environment: Windows, JDK 1.6
            Reporter: Justin Waugh
            Assignee: Mark Proctor
         Attachments: test.zip

The following rule being present in the knowledge base causes the StatefulKnowledgeSession to fail to unmarshall with an NPE:

package test.drl
rule "dummy_rule"
	when
		eval( false )
	then
end

Here is the stack trace:
java.lang.NullPointerException
	at org.drools.marshalling.impl.InputMarshaller.readLeftTuple(InputMarshaller.java:440)
	at org.drools.marshalling.impl.InputMarshaller.readFactHandles(InputMarshaller.java:345)
	at org.drools.marshalling.impl.InputMarshaller.readSession(InputMarshaller.java:207)
	at org.drools.marshalling.impl.DefaultMarshaller.unmarshall(DefaultMarshaller.java:75)
	at org.drools.marshalling.impl.DefaultMarshaller.unmarshall(DefaultMarshaller.java:47)
	at test.DroolsSerializationBugTest.testDroolsSerializationBug(DroolsSerializationBugTest.java:87)
	at test.DroolsSerializationBugTest.main(DroolsSerializationBugTest.java:28)

Test case attached.
Fails against 5.0.1 and 5.1.0M1



-- 
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa
-
For more information on JIRA, see: http://www.atlassian.com/software/jira