原文链接
【问题】
EOS Platform 7.5 使用webervice图元调用流程提供的createProcessInstance服务报错：
[FlowName=com.bjbus.isms.isworkflow.patchworkflow.createAndStartProcessInstance.biz][activity name=createProcessInstance][activity id=webService0][exception=java.lang.NullPointerException]
[default][2017-07-21 11:16:36,402][ERROR][com.primeton.access.client.impl.skeleton.ServiceEngine:38]
java.lang.NullPointerException
at com.primeton.infra.wsclient.impl.WebServiceCaller.marshalHead(WebServiceCaller.java:563)
at com.primeton.infra.wsclient.impl.WebServiceCaller.call(WebServiceCaller.java:252)
at com.primeton.infra.wsclient.impl.CallerImpl.call(CallerImpl.java:46)
at com.bjbus.isms.isworkflow.patchworkflow.createAndStartProcessInstance_biz.webService0(createAndStartProcessInstance_biz.java:185)
......
Caused by: WSDoAllReceiver: Incoming message does not contain required Security header
at com.primeton.infra.wsclient.impl.WebServiceCaller.processFaultMessage(WebServiceCaller.java:837)
at com.primeton.infra.wsclient.impl.WebServiceCaller.call(WebServiceCaller.java:314)
at com.primeton.infra.wsclient.impl.CallerImpl.call(CallerImpl.java:46)
at com.primeton.testnew.newcomponent.newbiz_biz.webService0(newbiz_biz.java:174)
调用方式：
【解答】
问题原因：是因为Governor—>BPS引擎配置—>Web服务配置，里开启了流程Web服务安全验证，如下图：
解决办法：取消“启用安全验证”的勾选，重启Server，可以成功调用createProcessInstance服务，创建流程实例