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java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper
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created by <a href="https://community.jboss.org/people/devilkazuya99">TC ONG</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/740612#740612">View the full discussion</a>
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<div class="jive-rendered-content"><pre><p>               String respond = "SOME_VALUE";</p><p>          Map result = new HashMap();
          result.put("answer", respond);
          ContentData contentData = null;
          ByteArrayOutputStream bos = new ByteArrayOutputStream();
          ObjectOutputStream out;
          try {
               out = new ObjectOutputStream(bos);
               out.writeObject(result);
               out.close();
               contentData = new ContentData();
               contentData.setContent(bos.toByteArray());
               contentData.setAccessType(AccessType.Inline);
          } catch (IOException ioe) {
               ioe.printStackTrace();
          }
          
          localTaskService.complete(taskId, userName, contentData);
</p></pre><p>My process has a sequence of human tasks.</p><p>When I ran the code above, the first task executed fine, but the second task gives me:</p><p>     java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper</p><p>Any idea why it suddently doesn't work?</p><p>Full stack trace:</p><pre>Application Message - java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper
java.lang.ClassCastException: java.lang.String cannot be cast to org.jbpm.task.utils.MarshalledContentWrapper
     at org.jbpm.task.utils.ContentMarshallerHelper.unmarshall(ContentMarshallerHelper.java:157)
     at org.jbpm.process.workitem.wsht.SyncWSHumanTaskHandler$TaskCompletedHandler.handleCompletedTask(SyncWSHumanTaskHandler.java:354)
     at org.jbpm.process.workitem.wsht.SyncWSHumanTaskHandler$TaskCompletedHandler.execute(SyncWSHumanTaskHandler.java:329)
     at org.jbpm.task.service.local.LocalTaskService$SimpleEventTransport.trigger(LocalTaskService.java:307)
     at org.jbpm.task.event.MessagingTaskEventListener.taskCompleted(MessagingTaskEventListener.java:73)
     at org.jbpm.task.event.TaskEventSupport.fireTaskCompleted(TaskEventSupport.java:46)
     at org.jbpm.task.service.TaskServiceSession.postTaskCompleteOperation(TaskServiceSession.java:502)
     at org.jbpm.task.service.TaskServiceSession.taskOperation(TaskServiceSession.java:468)
     at org.jbpm.task.service.local.LocalTaskService.complete(LocalTaskService.java:80)</pre></div>
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