Re: [rules-users] how to run pkg from java

The full Error - java.lang.ClassCastException: java.io.ObjectInputStream cannot be cast to org.drools.common.DroolsObjectInput at org.drools.rule.JavaDialectRuntimeData.readExternal(JavaDialectRuntimeData.java:111) at java.io.ObjectInputStream.readExternalData(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject(Unknown Source) at java.util.HashMap.readObject(Unknown Source) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at java.io.ObjectStreamClass.invokeReadObject(Unknown Source) at java.io.ObjectInputStream.readSerialData(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject(Unknown Source) at org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:59) at java.io.ObjectInputStream.readExternalData(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject(Unknown Source) at org.drools.rule.Package.readExternal(Package.java:194) at java.io.ObjectInputStream.readExternalData(Unknown Source) at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source) at java.io.ObjectInputStream.readObject0(Unknown Source) at java.io.ObjectInputStream.readObject(Unknown Source) at com.jspeed.brms.fire.Alarm2.readKnowledgeBase(Alarm2.java:66) at com.jspeed.brms.fire.Alarm2.main(Alarm2.java:24) Exception in thread "main" java.lang.NullPointerException at com.jspeed.brms.fire.Alarm2.main(Alarm2.java:28) I get this Error in this line : KnowledgePackage kp = (KnowledgePackage) o; -- View this message in context: http://drools.46999.n3.nabble.com/how-to-run-pkg-from-java-tp2848164p2848... Sent from the Drools: User forum mailing list archive at Nabble.com.