请看下面的堆栈跟踪
org.jbpm.workflow.instance.node.WorkItemNodeInstance.processWorkItemHandler(WorkItemNodeInstance.java:203) at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:408) at org.jbpm.workflow.instance.
但是当我试图执行"signal jbpm$2326535-@“时,它给出了下面的错误。"org.alfresco.service.cmr.workflow.WorkflowException: Failed to signal transition 'null' from workflowpath 'jbpm$2326535-@' "
有谁能说出原因和解决方法吗?
-03-27 09:42:09.039 GMT_jbpm_LOG: 00000: duration: 0.053 ms
2013-03-27 09:42:09.039 GMT_jbpm_LOCATIONas workflow1_14_0_, workflowde0_.created as created14_0_, workflowde0_.deleted as deleted14_0_, workflowde0workflowde0_ where workflowde0_.workflow_definition_id=