Hi, I am getting the following error when I have the below callout mediator in a proxy. The service is in DSS server. <callout serviceURL="http://10.100.0.38:9764/services/IF0030/ " action="urn:O_ProductCategory"
useServerConfig="true"> <source xmlns:ns="http://org.apache.synapse/xsd" xpath="$body/child::*[fn:position()=1]"/> <target xmlns:ns="http://org.apache.synapse/xsd" xpath="$body/child::*[fn:position()=1]"/> </callout> [2014-02-13 04:48:12,387] ERROR -* NativeWorkerPool Uncaught exception* java.lang.NullPointerException at org.apache.axiom.om.impl.llom.OMNodeImpl.insertSiblingAfter(OMNodeImpl.java:203) at org.apache.synapse.mediators.builtin.*CalloutMediator* .mediate(CalloutMediator.java:193) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:196) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) at org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:166) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) at org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:403) at org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:183) at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918) at java.lang.Thread.run(Thread.java:662) -- Udara Liyanage Software Engineer WSO2, Inc.: http://wso2.com lean. enterprise. middleware web: http://udaraliyanage.wordpress.com phone: +94 71 443 6897
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