Hi Jarek,
I believed I am using the same version, 5.1.0.M1, for guvnor, eclipse plugins, bin(cores).
Thanks..
To: Rules Users List <rules-users@lists.jboss.org>
From: Jaroslaw Kijanowski <kijanowski@gmail.com>
Sent by: rules-users-bounces@lists.jboss.org
Date: 02/04/2010 04:28PM
Subject: Re: [rules-users] Error deserialize KnowledgeDefinitionsPackage
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@160498d
> <mailto:monitor=org.drools.io.impl.ResourceChangeScannerImpl@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@a0fdd1
> <mailto:listener=org.drools.agent.impl.KnowledgeAgentImpl@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@615dc4
> <mailto:notifier=org.drools.io.impl.ResourceChangeNotifierImpl@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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