Thanks, I'll do that. On 11/12/06, Davanum Srinivas <[EMAIL PROTECTED]> wrote:
Ramesh,Please start a new JIRA issue and upload your AAR (and source) thanks, dims On 11/11/06, Ramesh Gurunathan <[EMAIL PROTECTED]> wrote: > Hi, > > I am using Axis2 latest snapshot deployed on Tomcat server. I have a very > simple service method that takes a string input and returns a polymorphic > array output. I have two concrete implementations for the abstract class > 'AbstractItem'. Based on the input 'itemType', an array of one of the > implementing objects will be returned at the runtime. Here is the code > snippet. > > public AbstractItem[] createItems(String itemType) > { > AbstractItem[] items = new AbstractItem[1]; > if(itemType.equals("electronic")) { > ElectronicItem item = new ElectronicItem(); > item.setElectronicItemName("Television"); > item.setItemID("1000"); > items[0] = item; > } else if (itemType.equals("computer")) { > ComputerItem item = new ComputerItem(); > item.setComputerModel("Dell laptop"); > item.setItemID("2000"); > items[0] = item; > } > return items; > } > > When I pass in input value "electronic" for the itemType from the soap > client (using soap UI), I received NullPointerException at the console and > the soap client received a fault. I am using RPC message receiver. It seems > WSDL was generated correctly but the service invocation fails. > > Exception stack trace: > 2006-11-11 14:36:07,856 ERROR > org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver - > Exception occurred while trying to invoke service method createItems > org.apache.axiom.om.OMException > : java.lang.NullPointerException > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:199) > at > org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:316) > at org.apache.axiom.om.impl.llom.OMElementImpl.build > (OMElementImpl.java:624) > at > org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:591) > at > org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:117) > at org.apache.axiom.om.impl.llom.OMElementImpl.addChild > (OMElementImpl.java:240) > at > org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:193) > at > org.apache.axis2.rpc.receivers.RPCUtil.processResponse(RPCUtil.java:169) > at > org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic > (RPCMessageReceiver.java:136) > at > org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:39) > at > org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:496) > > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:319) > at > org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:247) > at javax.servlet.http.HttpServlet.service > (HttpServlet.java:709) > at > javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252) > 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.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105) > at org.apache.catalina.core.StandardEngineValve.invoke > (StandardEngineValve.java:107) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869) > at > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection > (Http11BaseProtocol.java:664) > at > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527) > at > org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80) > > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684) > at java.lang.Thread.run(Unknown Source) > Caused by: java.lang.NullPointerException > at > org.apache.axis2.databinding.utils.BeanUtil.getPullParser > (BeanUtil.java:78) > at > org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:948) > at > org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java > :802) > at > org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68) > at > org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:116) > > This is a simple use case for any web service implementation. I am sure > Axis2 takes care of this case, but I am missing something here. Any helps is > much appreciated. Thanks. > > Ramesh > > > -- Davanum Srinivas : http://www.wso2.net (Oxygen for Web Service Developers) --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
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