[rules-users] Error deserialize KnowledgeDefinitionsPackage
Jaroslaw Kijanowski
kijanowski at gmail.com
Thu Feb 4 03:28:51 EST 2010
Hi,
what's the version of Guvnor in your 'existing project'? Can you make
sure it is the same as your agent's version?
Cheers,
Jarek
Jian Feng Ng wrote:
> I am facing this error of knowledgeagent trying to deserialize
> knowledgedefinitionspackage. Actually I am not too sure what caused this
> problem..
> I have successfully deployed my rules in guvnor, and running a sample
> test case on one of the ruleflow works fine. However, when I tried to
> integrate into an existing project, using the same code of initializing
> knowledgeagent from the sample test, the error occurred. I am using
> drools 5.1.0.m1. Below is the error messages..
>
>
>
> jvm 1 | WorkManager(2)-4 11:35:59,312 INFO [STDOUT line:152]
> [2010:02:35 11:02:312:info] ResourceChangeScanner creat
> ed with default interval=60
> jvm 1 | WorkManager(2)-4 11:35:59,312 INFO [STDOUT line:152]
> [2010:02:35 11:02:312:info] ResourceChangeScanner recon
> figured with interval=15
> jvm 1 | WorkManager(2)-4 11:35:59,531 INFO [STDOUT line:152]
> [2010:02:35 11:02:531:info] ResourceChangeNotification
> created
> jvm 1 | WorkManager(2)-4 11:35:59,531 INFO [STDOUT line:152]
> [2010:02:35 11:02:531:debug] ResourceChangeNotification
> monitor added
> monitor=org.drools.io.impl.ResourceChangeScannerImpl at 160498d
> <mailto:monitor=org.drools.io.impl.ResourceChangeScannerImpl at 160498d>
> jvm 1 | WorkManager(2)-4 11:35:59,531 INFO [STDOUT line:152]
> [2010:02:35 11:02:531:info] KnowledgAgent created, with
> configuration:
> jvm 1 | monitorChangeSetEvents=true scanResources=true
> scanDirectories=true
> jvm 1 | Thread-17 11:35:59,531 INFO [STDOUT line:152] [2010:02:35
> 11:02:531:info] KnowledegAgent has started listeni
> ng for ChangeSet notifications
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152] (null:
> 3, 92): schema_reference.4: Failed to read schem
> a document 'drools-change-set-5.0.xsd', because 1) could not find the
> document; 2) the document could not be read; 3) th
> e root element of the document is not <xsd:schema>.
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152] (null:
> 3, 92): cvc-elt.1: Cannot find the declaration o
> f element 'change-set'.
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152] (null:
> 4, 10): schema_reference.4: Failed to read schem
> a document 'drools-change-set-5.0.xsd', because 1) could not find the
> document; 2) the document could not be read; 3) th
> e root element of the document is not <xsd:schema>.
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152] (null:
> 5, 132): schema_reference.4: Failed to read sche
> ma document 'drools-change-set-5.0.xsd', because 1) could not find the
> document; 2) the document could not be read; 3) t
> he root element of the document is not <xsd:schema>.
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:info] KnowledgAgent applying Chan
> geSet
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] KnowledgeAgent subscribing
> to resource=[UrlResource
> path='http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/myPackage/LATES
> T']
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] ResourceChangeNotification
> subscribing listener=org.drools.agent.impl.KnowledgeAgentImpl at a0fdd1
> <mailto:listener=org.drools.agent.impl.KnowledgeAgentImpl at a0fdd1> to
> resource=[UrlResource path='http://localhost:80
> 80/drools-guvnor/org.drools.guvnor.Guvnor/package/myPackage/LATEST']
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] ResourceChangeScanner subc
> ribing notifier=org.drools.io.impl.ResourceChangeNotifierImpl at 615dc4
> <mailto:notifier=org.drools.io.impl.ResourceChangeNotifierImpl at 615dc4>
> to resource=[UrlResource path='http://localhost:808
> 0/drools-guvnor/org.drools.guvnor.Guvnor/package/myPackage/LATEST']
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] KnowledgeAgent ChangeSet r
> equires KnowledgeBuilder
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] KnowledgeAgent rebuilding
> KnowledgeBase using ChangeSet
> jvm 1 | WorkManager(2)-4 11:35:59,609 INFO [STDOUT line:152]
> [2010:02:35 11:02:609:debug] KnowledgeAgent building re
> source=[UrlResource
> path='http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/myPackage/LATEST']
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> [2010:02:35 11:02:843:exception]
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> java.lang.RuntimeException: KnowledgeAgent exception wh
> ile trying to deserialize KnowledgeDefinitionsPackage
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.drools.agent.impl.KnowledgeAgentImpl.rebu
> ildResources(KnowledgeAgentImpl.java:418)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.drools.agent.impl.KnowledgeAgentImpl.appl
> yChangeSet(KnowledgeAgentImpl.java:120)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.drools.agent.impl.KnowledgeAgentImpl.appl
> yChangeSet(KnowledgeAgentImpl.java:109)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.dsta.smart.util.DroolsRuleEngine.init(Dro
> olsRuleEngine.java:48)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.dsta.smart.util.DroolsRuleEngine.<init>(D
> roolsRuleEngine.java:24)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.dsta.smart.util.RuleEngineManager.init(Ru
> leEngineManager.java:28)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.dsta.smart.util.RuleEngineManager.getInst
> ance(RuleEngineManager.java:20)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.dsta.smart.mdb.FilterAnomaliesIndicatorMD
> B.onMessage(FilterAnomaliesIndicatorMDB.java:118)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at sun.reflect.NativeMethodAccessorImpl.invoke0(
> Native Method)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at sun.reflect.NativeMethodAccessorImpl.invoke(N
> ativeMethodAccessorImpl.java:39)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at sun.reflect.DelegatingMethodAccessorImpl.invo
> ke(DelegatingMethodAccessorImpl.java:25)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at java.lang.reflect.Method.invoke(Method.java:5
> 85)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:112)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.interceptor.InvocationContextI
> mpl.proceed(InvocationContextImpl.java:166)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.interceptor.EJB3InterceptorsIn
> terceptor.invoke(EJB3InterceptorsInterceptor.java:63)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:101)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.entity.TransactionScopedEntity
> ManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:101)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.AllowedOperationsInterceptor.i
> nvoke(AllowedOperationsInterceptor.java:47)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:101)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aspects.tx.TxPolicy.invokeInCallerT
> x(TxPolicy.java:126)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aspects.tx.TxInterceptor$Required.i
> nvoke(TxInterceptor.java:195)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:101)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.stateless.StatelessInstanceInt
> erceptor.invoke(StatelessInstanceInterceptor.java:62)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.aop.joinpoint.MethodInvocation.invo
> keNext(MethodInvocation.java:101)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.mdb.MessagingContainer.localIn
> voke(MessagingContainer.java:249)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.mdb.inflow.MessageInflowLocalP
> roxy.delivery(MessageInflowLocalProxy.java:268)
> jvm 1 | WorkManager(2)-4 11:35:59,843 INFO [STDOUT line:152]
> at org.jboss.ejb3.mdb.inflow.MessageInflowLocalP
> roxy.invoke(MessageInflowLocalProxy.java:138)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at $Proxy119.onMessage(Unknown Source)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.resource.adapter.jms.inflow.JmsServ
> erSession.onMessage(JmsServerSession.java:178)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.mq.SpyMessageConsumer.sessionConsum
> erProcessMessage(SpyMessageConsumer.java:906)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.mq.SpyMessageConsumer.addMessage(Sp
> yMessageConsumer.java:170)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.mq.SpySession.run(SpySession.java:3
> 23)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.resource.adapter.jms.inflow.JmsServ
> erSession.run(JmsServerSession.java:237)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.resource.work.WorkWrapper.execute(W
> orkWrapper.java:204)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at org.jboss.util.threadpool.BasicTaskWrapper.ru
> n(BasicTaskWrapper.java:275)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at EDU.oswego.cs.dl.util.concurrent.PooledExecut
> or$Worker.run(PooledExecutor.java:756)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.lang.Thread.run(Thread.java:595)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152] Caused
> by: java.io.InvalidClassException: org.drools.ba
> se.ClassFieldAccessorStore; local class incompatible: stream classdesc
> serialVersionUID = 400, local class serialVersion
> UID = 487535245723988666
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectStreamClass.initNonProxy(Object
> StreamClass.java:546)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readNonProxyDesc(Ob
> jectInputStream.java:1552)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readClassDesc(Objec
> tInputStream.java:1466)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readOrdinaryObject(
> ObjectInputStream.java:1699)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readObject0(ObjectI
> nputStream.java:1305)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.skipCustomData(Obje
> ctInputStream.java:1873)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readExternalData(Ob
> jectInputStream.java:1767)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readOrdinaryObject(
> ObjectInputStream.java:1717)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readObject0(ObjectI
> nputStream.java:1305)
> jvm 1 | WorkManager(2)-4 11:35:59,921 INFO [STDOUT line:152]
> at java.io.ObjectInputStream.readObject(ObjectIn
> putStream.java:348)
> jvm 1 | WorkManager(2)-4 11:35:59,937 INFO [STDOUT line:152]
> at org.drools.util.DroolsStreamUtils.streamIn(Dr
> oolsStreamUtils.java:189)
> jvm 1 | WorkManager(2)-4 11:35:59,937 INFO [STDOUT line:152]
> at org.drools.util.DroolsStreamUtils.streamIn(Dr
> oolsStreamUtils.java:158)
> jvm 1 | WorkManager(2)-4 11:35:59,937 INFO [STDOUT line:152]
> at org.drools.agent.impl.KnowledgeAgentImpl.rebu
> ildResources(KnowledgeAgentImpl.java:408)
> jvm 1 | WorkManager(2)-4 11:35:59,937 INFO [STDOUT line:152]
> ... 37 more
> jvm 1 | WorkManager(2)-4 11:35:59,937 INFO [STDOUT line:152]
> [2010:02:35 11:02:937:info] KnowledgeAgent new Knowledg
> eBase now built and in use
> jvm 1 | Thread-18 11:35:59,937 INFO [STDOUT line:152] [2010:02:35
> 11:02:937:info] ResourceChangeNotification has sta
> rted listening for ChangeSet publications
> jvm 1 | Thread-18 11:35:59,937 INFO [STDOUT line:152] [2010:02:35
> 11:02:937:debug] ResourceChangeNotification thread
> is waiting for queue update
> jvm 1 | Thread-19 11:35:59,937 INFO [STDOUT line:152] [2010:02:35
> 11:02:937:info] ResourceChangeNotification scanner
> has started
> jvm 1 | Thread-19 11:35:59,937 INFO [STDOUT line:152] [2010:02:35
> 11:02:937:debug] ResourceChangeScanner attempt to
> scan 1 resources
> jvm 1 | Thread-19 11:35:59,953 INFO [STDOUT line:152] [2010:02:35
> 11:02:953:debug] ResourceChangeScanner thread is w
> aiting for 15
>
>
>
> And this are the codes I used to init drools..
>
> ResourceChangeScannerConfiguration sconf =
> ResourceFactory.getResourceChangeScannerService().newResourceChangeScannerConfiguration();
> sconf.setProperty( "drools.resource.scanner.interval", "15" );
> ResourceFactory.getResourceChangeScannerService().configure( sconf );
>
> KnowledgeAgentConfiguration kaconf =
> KnowledgeAgentFactory.newKnowledgeAgentConfiguration();
> kaconf.setProperty( "drools.agent.scanDirectories", "true" );
> kaconf.setProperty( "drools.agent.scanResources", "true" );
> kaconf.setProperty( "drools.agent.newAgent", "true" );
> KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent( "test
> agent", kaconf );
>
> kagent.applyChangeSet(ResourceFactory.newUrlResource(new
> URL("http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/myPackage/LATEST/ChangeSet.xml")));
>
> ResourceFactory.getResourceChangeNotifierService().start();
> ResourceFactory.getResourceChangeScannerService().start();
>
> KnowledgeBase kbase = kagent.getKnowledgeBase();
>
> ksession = kbase.newStatefulKnowledgeSession();
> logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, "test");
>
>
>
> Anyone helps??
>
>
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>
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