Details
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Bug
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Resolution: Done
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Minor
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5.3.0.CR1
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None
Description
Unmarshalling a marshalled session fails when a fact has been inserted into the session.
This can be seen in the org.drools.persistence.session.ReloadSessionTest, which fails at the moment.
An npe is thrown here:
ConcurrentNodeMemories.getNodeMemory(NodeMemory) line: 65 ReteooStatefulSession(AbstractWorkingMemory).getNodeMemory(NodeMemory) line: 1040 InputMarshaller.readFactHandles(MarshallerReaderContext) line: 373 InputMarshaller.readSession(MarshallerReaderContext, int, ExecutorService, Environment, SessionConfiguration) line: 255 DefaultMarshaller.unmarshall(InputStream, KnowledgeSessionConfiguration, Environment) line: 92 SessionMarshallingHelper.loadSnapshot(byte[], StatefulKnowledgeSession) line: 91 SingleSessionCommandService.initKsession(Integer, KnowledgeBase, KnowledgeSessionConfiguration) line: 221
This only happens when the knowledge base is reinitialized before reloading the statefulKnowledgeSession:
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(); kbuilder.add( ResourceFactory.newByteArrayResource(rule.getBytes()), ResourceType.DRL); if (kbuilder.hasErrors()) { fail(kbuilder.getErrors().toString()); } KnowledgeBase newkbase = KnowledgeBaseFactory.newKnowledgeBase(); kbase.addKnowledgePackages(kbuilder.getKnowledgePackages()); StatefulKnowledgeSession newCommandKSession = JPAKnowledgeService.loadStatefulKnowledgeSession(sessionInfoId, newkbase, null, env);
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