@SuppressWarnings("unchecked")
@Override
protected Element invokeInternal(Element requestElement) throws Exception {
Element commonElement = requestElement.getChild("common", WORKFLOW_NAMESPACE);
ProcessStopMsg psMsg = new ProcessStopMsg();
psMsg.setExternalKey(commonElement.getChildText("externalKey", WORKFLOW_NAMESPACE));
psMsg.setProcessVariablesByElementList(commonElement.getChildren("processVariable", WORKFLOW_NAMESPACE));
psMsg.setRolesByElementList(commonElement.getChildren("role", WORKFLOW_NAMESPACE));
psMsg.setInstanceId(requestElement.getChildText("instanceId", WORKFLOW_NAMESPACE));
psMsg.setInstanceStatus(requestElement.getChildText("instanceStatus", WORKFLOW_NAMESPACE));
System.out.println(psMsg);
String status = null;
List<TaskInfo> taskInfoList = null;