spring webflow org.springframework.expression.spel.SpelEvaluationException: EL10

Question

springwebflow

Answer 1

错误还有：org.springframework.webflow.execution.ActionExecutionException: Exception thrown executing [AnnotatedAction@2a1832 targetAction = [EvaluateAction@5c74f3 expression = order.setCustomer(pizzaFlowActions.lookupCustomer(requestParameters.phoneNumber)), resultExpression = [null]], attributes = map[[empty]]] in state 'lookupCustomer' of flow 'pizza-singleflow' -- action execution attributes were 'map[[empty]]'
org.springframework.webflow.execution.ActionExecutor.execute(ActionExecutor.java:60)
org.springframework.webflow.engine.ActionState.doEnter(ActionState.java:101)
org.springframework.webflow.engine.State.enter(State.java:194)
org.springframework.webflow.engine.Transition.execute(Transition.java:227)
org.springframework.webflow.engine.impl.FlowExecutionImpl.execute(FlowExecutionImpl.java:393)
org.springframework.webflow.engine.impl.RequestControlContextImpl.execute(RequestControlContextImpl.java:214)
org.springframework.webflow.engine.TransitionableState.handleEvent(TransitionableState.java:119)
org.springframework.webflow.engine.Flow.handleEvent(Flow.java:555)
org.springframework.webflow.engine.impl.FlowExecutionImpl.handleEvent(FlowExecutionImpl.java:388)
org.springframework.webflow.engine.impl.RequestControlContextImpl.handleEvent(RequestControlContextImpl.java:210)
org.springframework.webflow.engine.ViewState.handleEvent(ViewState.java:232)
org.springframework.webflow.engine.ViewState.resume(ViewState.java:196)
org.springframework.webflow.engine.Flow.resume(Flow.java:545)
org.springframework.webflow.engine.impl.FlowExecutionImpl.resume(FlowExecutionImpl.java:258)
org.springframework.webflow.executor.FlowExecutorImpl.resumeExecution(FlowExecutorImpl.java:169)
org.springframework.webflow.mvc.servlet.FlowHandlerAdapter.handle(FlowHandlerAdapter.java:183)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560)
javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)