I haven't used RPCMessageReceiver much, but my understanding its for simple types like Integer and String. I'm not sure how well inheritance is supported by RPCMessageReceiver.
I have two suggestions: 1) Upgrade to the latest nightlies - the latest source isn't matching the stackTrace you show: http://people.apache.org/dist/axis2/nightly/ 2) Put tcpmon or the soap monitor in between your calls and post the SOAP message you are sending. That'll help us see what you are doing. HTH, Robert http://www.braziloutsource.com/ On 6/27/06, Paul Truax <[EMAIL PROTECTED]> wrote:
Can someone shed any light on this error that I'm getting… I've successfully traced this error back to the formulating of the response. The request comes into, it gets properly marshaled. My Service method gets called. The code executes properly. But as the request is making it back out – as its getting marshaled back into XML, I get the following error: I thought it might have to do with the fact that a couple of my objects inherit from other objects. Would this cause this problem? Please help if you can. I'm really stuck! Paul - <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/";> <soapenv:Header /> - <soapenv:Body> - <soapenv:Fault> <faultcode>soapenv:Client</faultcode> <faultstring>java.lang.NullPointerException</faultstring> - <detail> <Exception>org.apache.axis2.AxisFault: java.lang.NullPointerException; nested exception is: org.apache.axiom.om.OMException: java.lang.NullPointerException at org.apache.axis2.AxisFault.makeFault(AxisFault.java:318) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:136) at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:37) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:454) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:284) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:136) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.choicepoint.ta.aa.servlet.DbFilter.doFilter(DbFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:365) Caused by: org.apache.axiom.om.OMException: java.lang.NullPointerException at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:206) at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:298) at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:584) at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:118) at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:240) at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:197) at org.apache.axis2.rpc.receivers.RPCUtil.processResponse(RPCUtil.java:71) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:130) at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:37) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:454) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:284) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:136) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.choicepoint.ta.aa.servlet.DbFilter.doFilter(DbFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:365) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) Caused by: java.lang.NullPointerException at org.apache.axis2.databinding.utils.reader.WrappingXMLStreamReader.getEventType(WrappingXMLStreamReader.java:141) at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:964) at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java:807) at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68) at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:123) at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:298) at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:584) at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:118) at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:240) at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:197) at org.apache.axis2.rpc.receivers.RPCUtil.processResponse(RPCUtil.java:71) at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:130) at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:37) at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:454) at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:284) at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:136) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at com.choicepoint.ta.aa.servlet.DbFilter.doFilter(DbFilter.java:63) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:81) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178) at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:39) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:159) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:59) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)</Exception> </detail> </soapenv:Fault> </soapenv:Body> </soapenv:Envelope>
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