Hi Anthony, On Wed, Oct 26, 2011 at 7:28 PM, Anthony Webster <awebster.mail...@gmail.com > wrote:
> Hi, > > I have a simple Axis2 POJO service which returns strings. Whenever I return > a null I get the following exception on the server-side (however the server > does send the client an axis fault). Any ideas? > check in the return element of your method in wsdl have set nillable="true", if not try it again adding nillable="true" for return element > > Thanks > > Anthony > > java.lang.UnsupportedOperationException > at > org.apache.axis2.databinding.utils.reader.NullXMLStreamReader.getAttributeType(NullXMLStreamReader.java:147) > at > org.apache.axis2.util.StreamWrapper.getAttributeType(StreamWrapper.java:160) > at > org.apache.axiom.om.impl.builder.StAXBuilder.processAttributes(StAXBuilder.java:230) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.populateOMElement(StAXOMBuilder.java:433) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.createOMElement(StAXOMBuilder.java:462) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.createNextOMElement(StAXOMBuilder.java:319) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:250) > at > org.apache.axiom.om.impl.llom.OMDocumentImpl.getOMDocumentElement(OMDocumentImpl.java:111) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:571) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:567) > at > org.apache.axis2.rpc.receivers.RPCUtil.processResponseAsDocLitWrapped(RPCUtil.java:369) > at > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:138) > at > org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) > at > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) > at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:131) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > 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 com.tentelemed.webservices.server.IpFilter.doFilter(IpFilter.java:37) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > 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:852) > 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:619) > 2011-10-26 15:35:58,708 - [ERROR] - > org.apache.axis2.AxisFault > at org.apache.axis2.AxisFault.makeFault(AxisFault.java:430) > at > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:161) > at > org.apache.axis2.receivers.AbstractInOutMessageReceiver.invokeBusinessLogic(AbstractInOutMessageReceiver.java:40) > at > org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:100) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) > at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:131) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > 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 com.tentelemed.webservices.server.IpFilter.doFilter(IpFilter.java:37) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > 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:852) > 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:619) > Caused by: java.lang.UnsupportedOperationException > at > org.apache.axis2.databinding.utils.reader.NullXMLStreamReader.getAttributeType(NullXMLStreamReader.java:147) > at > org.apache.axis2.util.StreamWrapper.getAttributeType(StreamWrapper.java:160) > at > org.apache.axiom.om.impl.builder.StAXBuilder.processAttributes(StAXBuilder.java:230) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.populateOMElement(StAXOMBuilder.java:433) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.createOMElement(StAXOMBuilder.java:462) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.createNextOMElement(StAXOMBuilder.java:319) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:250) > at > org.apache.axiom.om.impl.llom.OMDocumentImpl.getOMDocumentElement(OMDocumentImpl.java:111) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:571) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.getDocumentElement(StAXOMBuilder.java:567) > at > org.apache.axis2.rpc.receivers.RPCUtil.processResponseAsDocLitWrapped(RPCUtil.java:369) > at > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:138) > ... 22 more > > > -- Shameera Rathnayaka Undergraduate Department of Computer Science and Engineering University of Moratuwa. Sri Lanka. Blog : http://shameerarathnayaka.blogspot.com/
