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Re: 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/ouadi_dev">Ouadi BEL</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/805270#805270">View the full discussion</a>
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<div class="jive-rendered-content"><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">I have the same with completeWithResults() method</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">When I want to complete a human task, this exception is triggered, and I'm not able to solve this situation :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java">17:17:46,192 ERROR [org.jbpm.process.workitem.wsht.CommandBasedWSHumanTaskHandler] (NioProcessor-6) <font color="navy"><b>null</b></font>: java.io.OptionalDataException
          at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1358) [rt.jar:1.7.0_15]
          at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369) [rt.jar:1.7.0_15]
          at org.jbpm.process.workitem.wsht.CommandBasedWSHumanTaskHandler$GetResultContentResponseHandler.execute(CommandBasedWSHumanTaskHandler.java:330) [jbpm-human-task-mina-5.4.0.Final.jar:5.4.0.Final]
          at org.jbpm.task.service.TaskClientHandler.messageReceived(TaskClientHandler.java:153) [jbpm-human-task-core-5.4.0.Final.jar:5.4.0.Final]
          at org.jbpm.task.service.mina.MinaTaskClientHandler.messageReceived(MinaTaskClientHandler.java:47) [jbpm-human-task-mina-5.4.0.Final.jar:5.4.0.Final]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:716) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796) [mina-core-2.0.1.jar:]
          at org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:427) [mina-core-2.0.1.jar:]
          at org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:245) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1200(DefaultIoFilterChain.java:46) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:796) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.IoFilterAdapter.messageReceived(IoFilterAdapter.java:119) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:434) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.filterchain.DefaultIoFilterChain.fireMessageReceived(DefaultIoFilterChain.java:426) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.polling.AbstractPollingIoProcessor.read(AbstractPollingIoProcessor.java:692) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:645) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.polling.AbstractPollingIoProcessor.process(AbstractPollingIoProcessor.java:634) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.polling.AbstractPollingIoProcessor.access$400(AbstractPollingIoProcessor.java:66) [mina-core-2.0.1.jar:]
          at org.apache.mina.core.polling.AbstractPollingIoProcessor$Processor.run(AbstractPollingIoProcessor.java:1078) [mina-core-2.0.1.jar:]
          at org.apache.mina.util.NamePreservingRunnable.run(NamePreservingRunnable.java:64) [mina-core-2.0.1.jar:]
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_15]
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_15]
          at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_15]
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #eef4f9;">Here is my compete taskmethod code :</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif; font-size: 12px; background-color: #eef4f9;"><br/></span><pre class="jive-pre"><code class="jive-code jive-java">TaskClient client = <font color="navy"><b>null</b></font>;
<font color="navy"><b>try</b></font> <font color="navy">{</font>
      client = connectToTaskServer(TASK_SERVER_HOST_IP_ADD,
                                                  TASK_SERVER_PORT);
      BlockingTaskOperationResponseHandler responseHandler = <font color="navy"><b>new</b></font> BlockingTaskOperationResponseHandler();
     Map<String, Object> taskVariables = <font color="navy"><b>new</b></font> HashMap<String, Object>();
     <font color="darkgreen">// Currency validation accepted</font>
     taskVariables.put(<font color="red">"o_validationResult"</font>, <font color="navy"><b>true</b></font>);
      client.completeWithResults(aTaskId, aOwnerId, taskVariables, responseHandler);
      responseHandler.waitTillDone(2000);
 
      client.disconnect();
<font color="navy">}</font> <font color="navy"><b>catch</b></font> (Exception e) <font color="navy">{</font>
    <font color="navy"><b>try</b></font> <font color="navy">{</font>
          client.disconnect();
    <font color="navy">}</font> <font color="navy"><b>catch</b></font> (Exception e1) <font color="navy">{</font>
         e1.printStackTrace();
    <font color="navy">}</font>
      e.printStackTrace();
      logger.error(<font color="red">"Unable to completing the Task '"</font> + aTaskId
                         + <font color="red">"' assigned to user '"</font> + aOwnerId + <font color="red">"' : "</font> + e.toString());
      <font color="navy"><b>throw</b></font> <font color="navy"><b>new</b></font> TaskManagerException(<font color="red">"Unable to completing the Task '"</font>
                         + aTaskId + <font color="red">"' assigned to user '"</font> + aOwnerId + <font color="red">"' : "</font>
                         + e.toString(), e);
<font color="navy">}</font>
</code></pre></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">After hard searching in the net, I'm not able to detect where this exception triggered !</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">Here is exception javadoc :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;"><a class="jive-link-external-small" href="http://docs.oracle.com/javase/6/docs/api/java/io/OptionalDataException.html" rel="nofollow" style="color: #355491; text-decoration: initial;">http://docs.oracle.com/javase/6/docs/api/java/io/OptionalDataException.html</a></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; color: #555555; font-family: 'Lucida Sans', 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif;">Thanks for helps.</p></div>
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