I get a very similar exception when try to execute the rules from my application. Have you ever solved the problem? Any help with this? Caused by: java.io.StreamCorruptedException: invalid stream header: 3C3F786D at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:783) at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280) at org.drools.common.DroolsObjectInputStream.<init>(DroolsObjectInputStream.java:55) at org.drools.common.DroolsObjectInputStream.<init>(DroolsObjectInputStream.java:49) at org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189) at org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158) at org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:408) ... 75 more -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/java-io-StreamCorrupt... Sent from the Drools - User mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users