hi, i am trying to read the guvnor package from my client application... but i am getting exceptions like below, i think these are the exceptions caused, because of unable to read the package i want to access the brl's in my guvnor package... my changeset.xml is <?xml version="1.0" encoding="UTF-8"?> <change-set xmlns="http://drools.org/drools-5.0/change-set" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:schemaLocation="http://drools.org/drools-5.0/change-set http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/... "> <add> <resource source='http://localhost:8080/guvnor/rest/packages/mypackage/' type='PKG' basicAuthentication="enabled" username="admin" password="admin" /> </add> </change-set> please anyone help me java.lang.RuntimeException: KnowledgeAgent exception while trying to deserialize KnowledgeDefinitionsPackage at org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:776) at org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:1071) at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:824) at org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:673) at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:203) at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:182) at com.org.alert.test.SampleTestClass.createKnowledgeBase(SampleTestClass.java:80) at com.org.alert.test.SampleTestClass.main(SampleTestClass.java:26) Caused by: java.io.StreamCorruptedException: invalid stream header: 3C656E74 at java.io.ObjectInputStream.readStreamHeader(Unknown Source) at java.io.ObjectInputStream.<init>(Unknown Source) at org.drools.common.DroolsObjectInputStream.<init>(DroolsObjectInputStream.java:68) 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:749) ... 7 more Exception in thread "main" java.lang.NullPointerException at java.util.AbstractCollection.addAll(Unknown Source) at org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:1077) at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:824) at org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:673) at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:203) at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:182) at com.org.alert.test.SampleTestClass.createKnowledgeBase(SampleTestClass.java:80) at com.org.alert.test.SampleTestClass.main(SampleTestClass.java:26) thanks in advance and regards sai -- View this message in context: http://drools.46999.n3.nabble.com/how-to-read-guvnor-package-through-chan... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users