流程上下文中的环节实例为空

C_jun185292

在onAfterAdvanceQuery 事件中 请求后台action 获取下一个流转人的信息 报这个异常 ：流程上下文中的环节实例为空

C_jun185292

java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:592)
        at com.justep.system.action.Engine.invokeActions(Native Method)
        at com.justep.system.action.Engine.invokeActions(Unknown Source)
        at com.justep.business.server.BusinessServer.doAction(Unknown Source)
        at com.justep.business.server.BusinessServer.doExcute(Unknown Source)
        at com.justep.business.server.BusinessServer.excute(Unknown Source)
        at com.justep.business.server.BusinessServerServlet.execService(Unknown Source)
        at com.justep.business.server.BusinessServerServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at com.justep.x.bs.BusinessServerServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:595)
Caused by: com.justep.exception.BusinessException: 编码: JUSTEP180262; 提示: 流程上下文中的环节实例为空
        at com.justep.exception.BusinessException.create(Unknown Source)
        at com.justep.util.Utils.check(Unknown Source)
        at com.justep.system.process.ProcessUtils.getAI(Unknown Source)
        at pdpub.ePubCon.getFlowList(ePubCon.java:17)
        at ShippingPlan.getExecutors(ShippingPlan.java:1714)
        at ShippingPlan.getMailInfo(ShippingPlan.java:1781)
        at ShippingPlan.SendToMailAcion(ShippingPlan.java:1633)
        ... 26 more

yinlun

C_jun185292 发表于 2014-8-29 18:56
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native  ...

把你的代码贴一下

yinlun

C_jun185292 发表于 2014-8-29 18:56
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native  ...

用下面的代码获取流程控制信息
ProcessControl control = (ProcessControl) ContextHelper.getActionContext().getActionResult();

C_jun185292

谢谢，已解决，请结贴