sounds as if you are returning an ArrayList<BR> so you'll need to associate the ArrayList java type to your SOAP_ARRAY datatype via<BR> call.registerTypeMapping(ArrayList.class, XMLType.SOAP_ARRAY, new ArraySerializerFactory(), new ArrayDeserializerFactory());<BR>
then the call with a cast to ArrayList should work..<BR> ArrayList results = (ArrayList)call.invoke(...);<BR> If this is not the case please supply your wsdl so we can determine parameters<BR> HTH<BR> Martin <BR> ______________________________________________ <BR> Disclaimer and confidentiality note Everything in this e-mail and any attachments relates to the official business of Sender. This transmission is of a confidential nature and Sender does not endorse distribution to any party other than intended recipient. Sender does not necessarily endorse content contained within this transmission. > Date: Tue, 9 Sep 2008 15:09:55 -0400 > From: [EMAIL PROTECTED] > To: [email protected] > Subject: intermittent NullPointerException > > Hi, > > I am using Axis 1.4 with Java 1.6, and my code is calling couple of > external web service. The client classes were generated using > wsdl2java. Initially the calls to these services were single threaded > (at any time only one thread was calling a method on a specific > service (one thread per service)). Recently calling the service > methods were multi-threaded so the whole operation would get done > faster. After doing that we started seeing the following error. I am > pretty sure its not the service itself that cannot handle the multiple > requests. I ve verified that service is able to handle multiple > requests. After doing some debugging looks like something goes wrong > during the request build up itself. > > AxisFault > faultCode: {http://schemas.xmlsoap.org/soap/envelope/}Server.userException > faultSubcode: > faultString: java.lang.NullPointerException > faultActor: > faultNode: > faultDetail: > {http://xml.apache.org/axis/}stackTrace:java.lang.NullPointerException > at org.xml.sax.helpers.AttributesImpl.getIndex(AttributesImpl.java:203) > at > org.apache.axis.message.MessageElement.setAttribute(MessageElement.java:1001) > at > org.apache.axis.message.SOAPHeaderElement.outputImpl(SOAPHeaderElement.java:240) > at > org.apache.axis.message.MessageElement.output(MessageElement.java:1208) > at > org.apache.axis.message.MessageElement.outputImpl(MessageElement.java:1256) > at > org.apache.axis.message.SOAPHeaderElement.outputImpl(SOAPHeaderElement.java:250) > at > org.apache.axis.message.MessageElement.output(MessageElement.java:1208) > at org.apache.axis.message.SOAPHeader.outputImpl(SOAPHeader.java:328) > at > org.apache.axis.message.SOAPEnvelope.outputImpl(SOAPEnvelope.java:476) > at > org.apache.axis.message.MessageElement.output(MessageElement.java:1208) > at org.apache.axis.SOAPPart.writeTo(SOAPPart.java:315) > at org.apache.axis.SOAPPart.writeTo(SOAPPart.java:269) > at org.apache.axis.SOAPPart.saveChanges(SOAPPart.java:530) > at org.apache.axis.SOAPPart.getContentLength(SOAPPart.java:229) > at org.apache.axis.Message.getContentLength(Message.java:510) > at > org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:371) > at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:138) > at > org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) > at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) > at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) > at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165) > at org.apache.axis.client.Call.invokeEngine(Call.java:2784) > at org.apache.axis.client.Call.invoke(Call.java:2767) > at org.apache.axis.client.Call.invoke(Call.java:2443) > at org.apache.axis.client.Call.invoke(Call.java:2366) > at org.apache.axis.client.Call.invoke(Call.java:1812) > > java.lang.NullPointerException > at org.apache.axis.AxisFault.makeFault(AxisFault.java:101) > at org.apache.axis.SOAPPart.writeTo(SOAPPart.java:317) > at org.apache.axis.SOAPPart.writeTo(SOAPPart.java:269) > at org.apache.axis.SOAPPart.saveChanges(SOAPPart.java:530) > at org.apache.axis.SOAPPart.getContentLength(SOAPPart.java:229) > at org.apache.axis.Message.getContentLength(Message.java:510) > at > org.apache.axis.transport.http.HTTPSender.writeToSocket(HTTPSender.java:371) > at org.apache.axis.transport.http.HTTPSender.invoke(HTTPSender.java:138) > at > org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32) > at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118) > at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83) > at org.apache.axis.client.AxisClient.invoke(AxisClient.java:165) > at org.apache.axis.client.Call.invokeEngine(Call.java:2784) > at org.apache.axis.client.Call.invoke(Call.java:2767) > at org.apache.axis.client.Call.invoke(Call.java:2443) > at org.apache.axis.client.Call.invoke(Call.java:2366) > at org.apache.axis.client.Call.invoke(Call.java:1812) > > Please advise. > > Thank you. > Tejesh. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > _________________________________________________________________ Get more out of the Web. Learn 10 hidden secrets of Windows Live. http://windowslive.com/connect/post/jamiethomson.spaces.live.com-Blog-cns!550F681DAD532637!5295.entry?ocid=TXT_TAGLM_WL_domore_092008
