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completing human task - NoSuchFieldError: classLoader
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created by <a href="https://community.jboss.org/people/wishmaster7">wishmaster7</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/802416#802416">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi all,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have found something very strange when I complete a Human Task. Here is what I do:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">Map<String, Object> result = new HashMap<String, Object>();</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">result.put("Result", action);</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">taskService.completeWithResults(taskId, userId, result);</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>and I have the following error:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">java.lang.NoSuchFieldError: classLoader</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.utils.ContentMarshallerHelper.unmarshall(ContentMarshallerHelper.java:107)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.handleCompletedTask(GenericHTWorkItemHandler.java:260)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.process.workitem.wsht.GenericHTWorkItemHandler$TaskCompletedHandler.execute(GenericHTWorkItemHandler.java:234)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.service.local.LocalTaskService$SimpleEventTransport.trigger(LocalTaskService.java:329)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.event.MessagingTaskEventListener.triggerPayload(MessagingTaskEventListener.java:76)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.event.MessagingTaskEventListener.handleEvent(MessagingTaskEventListener.java:92)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.event.MessagingTaskEventListener.taskCompleted(MessagingTaskEventListener.java:109)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.event.TaskEventSupport.fireTaskCompleted(TaskEventSupport.java:49)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.service.TaskServiceSession.postTaskCompleteOperation(TaskServiceSession.java:569)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.service.TaskServiceSession.taskOperation(TaskServiceSession.java:495)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.service.local.LocalTaskService.complete(LocalTaskService.java:83)</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">    at org.jbpm.task.service.local.LocalTaskService.completeWithResults(LocalTaskService.java:91)</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>So, I search in the code, and I find :</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">MarshallerReaderContext context = null;</span></p><p style="padding-left: 30px;"><span style="font-family: courier new,courier;">context.classLoader = ContentMarshallerHelper.class.getClassLoader();</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>BUT... (something I can't explain), MarshallerReaderContext has no classLoader. This throws the error above.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Someone knows? Any help would be apreciated.</p></div>
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