sap调用esb穿透服务问题

1、一个ws服务经过esb穿透后，被sap系统调用，sap无法调通，sap方报“time out"的错误。

 

2、重新穿透另外一个ws服务后，依然出现上述情况。

3、ws服务经过esb穿透后，可以被soapui 5.0调通。

[default][2015-01-06 10:47:34,255][ERROR][com.primeton.esb.model.endpoint.impl.AbstractStandardEndpoint$Endpoint_RequestHandler:121] 
java.lang.NullPointerException 
at java.util.concurrent.ConcurrentHashMap.put(ConcurrentHashMap.java:881 ) 
at com.primeton.esb.httpcomponent.client.impl.ESBHttpMessage.addHttpHeader(ESBHttpMessage.java:80) 
at com.primeton.esb.http.endpoint.model.HttpEndpoint.handleRequest(HttpEndpoint.java:111) 
at com.primeton.esb.model.endpoint.impl.AbstractStandardEndpoint$Endpoint_RequestHandler.handleMessage(AbstractStandardEndpoint.java:119) 
at com.primeton.tip.org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:104) 
at com.primeton.tip.org.springframework.integration.dispatcher.UnicastingDispatcher.access$000(UnicastingDispatcher.java:47) 
at com.primeton.tip.org.springframework.integration.dispatcher.UnicastingDispatcher$1.run(UnicastingDispatcher.java:86) 
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) 
at java.lang.Thread.run(Thread.java:662)

【解答】