hi , First of all congratulations to you for JBRMS release. You and your team has done a great job. Micheal I am facing some issue , when I use jbrms. I have written a sample technical rule by following all the steps as mentioned in the document. I am able to download binary package also,but when I tried to use this package in my rule engine class using following code it’s giving some error like … FileInputStream fis = new FileInputStream( "C:/drools/ TestPackage.pkg" ); ObjectInputStream ois = new ObjectInputStream( fis ); Object objPackage = ois.readObject() ; when ObjectInputStream object tries to read the object , its giving some an error ois.close(); fis.close(); Could you please help me out for this … java.io.InvalidClassException: org.drools.rule.Rule; incompatible types for field salience at java.io.ObjectStreamClass.matchFields(Unknown Source) at java.io.ObjectStreamClass.getReflector(Unknown Source) at java.io.ObjectStreamClass.initNonProxy(Unknown Source) at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source) at java.io.ObjectInputStream.readClassDesc(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.PackageCompilationData.readExternal (PackageCompilationData.java:128) 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:160) 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.sample.DroolsTest.readRule(DroolsTest.java:36) at com.sample.DroolsTest.main(DroolsTest.java:17) _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users