Could you please post the change-set you are using? Best Regards,
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Esteban Aliverti - Developer @ http://www.plugtree.com - Blog @ http://ilesteban.wordpress.com On Tue, Feb 1, 2011 at 2:34 PM, Claus Straube <[email protected]>wrote: > Hi all, > > I'm trying to use the resource scanner in my application (drools 5.1.1, > also tried in 5.2.0-SNAPSHOT): > > --snip-- > //resource scanner > KnowledgeAgent kagent = > KnowledgeAgentFactory.newKnowledgeAgent( "MyAgent" ); > kagent.applyChangeSet( > ResourceFactory.newByteArrayResource(this.getChangeConfiguration()) ); > KnowledgeBase kbase = kagent.getKnowledgeBase(); > > this.ksession = kbase.newStatefulKnowledgeSession(); > --snip-- > > and getting always a 'KnowledgeAgent exception while trying to > deserialize KnowledgeDefinitionsPackage' (see stacktrace below). Of > course I've googled for the problem and found that it was in 5.0.1 a > incompatibility problem between drools expert and guvner. But I'm not > using guvnor at all. I want to place some *.drl files in a directory and > run an agent that automatically updates my knowledge base. The agent > finds the directory and the files, but has problems to deserialize them. > If I'm loading them directly into the knowledge base they will work fine. > > Any hints to find a solution are welcome. > > Best regards - Claus > > > ----- > java.lang.RuntimeException: KnowledgeAgent exception while trying to > deserialize KnowledgeDefinitionsPackage > at > > org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:732) > at > > org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:965) > at > > org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:774) > at > > org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:646) > at > > org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:190) > at > > org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:172) > at > > com.catify.core.process.routers.DecisionRouter.<init>(DecisionRouter.java:32) > at > > com.catify.core.rest.TestDecisionRouter.testRouting(TestDecisionRouter.java:27) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:616) > at junit.framework.TestCase.runTest(TestCase.java:168) > at junit.framework.TestCase.runBare(TestCase.java:134) > at org.apache.camel.test.TestSupport.runBare(TestSupport.java:65) > at junit.framework.TestResult$1.protect(TestResult.java:110) > at junit.framework.TestResult.runProtected(TestResult.java:128) > at junit.framework.TestResult.run(TestResult.java:113) > at junit.framework.TestCase.run(TestCase.java:124) > at junit.framework.TestSuite.runTest(TestSuite.java:232) > at junit.framework.TestSuite.run(TestSuite.java:227) > at > > org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83) > at > > org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:46) > at > > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) > at > > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) > Caused by: java.io.StreamCorruptedException: invalid stream header: > 7061636B > at > java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:800) > at java.io.ObjectInputStream.<init>(ObjectInputStream.java:297) > at > > org.drools.common.DroolsObjectInputStream.<init>(DroolsObjectInputStream.java:71) > 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:721) > ... 27 more > _______________________________________________ > rules-users mailing list > [email protected] > https://lists.jboss.org/mailman/listinfo/rules-users >
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