[rules-users] Creating packages with Guvnor 5.1

java.lang.RuntimeException: KnowledgeAgent exception while trying to deserialize KnowledgeDefinitionsPackage
    at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:664)
    at org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:889)
    at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:704)
    at org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:584)
    at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:185)
    at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:168)
    at guvnor.connection.KnowledgeAgent2Guvnor.main(KnowledgeAgent2Guvnor.java:89)
Caused by: java.io.InvalidClassException: org.drools.rule.Package; local class incompatible: stream classdesc serialVersionUID = 400, local class serialVersionUID = 510
    at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)
    at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)
    at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
    at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
    at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
    at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
    at org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:205)
    at org.drools.core.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:174)
    at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:653)
    ... 6 more
[2010:10:280 14:10:953:debug] KnowledgeAgent obtaining pkg resource=[UrlResource path='http://localhost/drools-guvnor/org.drools.guvnor.Guvnor/package/mortgages/TEST']
[2010:10:280 14:10:953:exception]
java.lang.RuntimeException: KnowledgeAgent exception while trying to deserialize KnowledgeDefinitionsPackage
    at org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:914)
    at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:704)
    at org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:584)
    at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:185)
    at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:168)
    at guvnor.connection.KnowledgeAgent2Guvnor.main(KnowledgeAgent2Guvnor.java:89)
Caused by: java.lang.NullPointerException
    at org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:906)
    ... 5 more
[2010:10:280 14:10:953:info] KnowledgeAgent new KnowledgeBase now built and in use
[2010:10:280 14:10:953:debug] KnowledgeAgent finished rebuilding KnowledgeBase using ChangeSet
Exception in thread "main" java.lang.RuntimeException: Unexpected global [list]
    at org.drools.common.AbstractWorkingMemory.setGlobal(AbstractWorkingMemory.java:665)
    at org.drools.impl.StatefulKnowledgeSessionImpl.setGlobal(StatefulKnowledgeSessionImpl.java:325)
    at guvnor.connection.KnowledgeAgent2Guvnor.main(KnowledgeAgent2Guvnor.java:95)