[jboss-user] [jBPM] - Marshalling of a JBPM session

hansi007 [https://community.jboss.org/people/hansi007] created the discussion "Marshalling of a JBPM session" To view the discussion, visit: https://community.jboss.org/message/735387#735387 -------------------------------------------------------------- I want to marshall my jbpm session. Therefore i used the tutorial http://packtlib.packtpub.com/library/9781849511964/ch02lvl1sec02 http://packtlib.packtpub.com/library/9781849511964/ch02lvl1sec02 My code to marshall: KnowledgeBase kbase = ... StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession( kbase, null, env ); ... ByteArrayOutputStream baos = new ByteArrayOutputStream();                     Marshaller marshaller = MarshallerFactory.newMarshaller(kbase);                     File file = new File("ksession_"+sessionId+".info");                     FileOutputStream foStream;                     try {                               foStream = new FileOutputStream(file);                               marshaller.marshall(baos, ksession);                               baos.writeTo(foStream);                               baos.close();                     } catch (FileNotFoundException e) {                               e.printStackTrace();                     } catch (IOException e) {                               e.printStackTrace();                     } If this code is executed the following exception occurs (in the line "marshaller.marshall(baos, ksession);"): java.lang.ClassCastException: org.drools.command.impl.CommandBasedStatefulKnowledgeSession cannot be cast to org.drools.impl.StatefulKnowledgeSessionImpl           at org.drools.marshalling.impl.DefaultMarshaller.marshall(DefaultMarshaller.java:134)           at org.drools.marshalling.impl.DefaultMarshaller.marshall(DefaultMarshaller.java:126) ...   -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/735387#735387] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]