Ciao a tutti,
Qualcuno di voi sa la causa di questo errore, sembra che non impatti sull'esecuzione del codice pero non riesco a risolverlo.
Grazie

[ERROR] java.lang.UnsupportedOperationException
org.apache.axiom.om.OMException: java.lang.UnsupportedOperationException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.nex t(StAXOMBuilder.java:260)
at org.apache.axiom.om.impl.llom.OMDocumentImpl.getOM DocumentElement(OMDocumentImpl.java:133)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.get DocumentElement(StAXOMBuilder.java:502)
at org.apache.axis2.rpc.receivers.RPCUtil.processResp onseAsDocLitWrapped(RPCUtil.java:369)
at org.apache.axis2.rpc.receivers.RPCMessageReceiver. invokeBusinessLogic(RPCMessageReceiver.java:138)
at org.apache.axis2.receivers.AbstractInOutMessageRec eiver.invokeBusinessLogic(AbstractInOutMessageRece iver.java:40)
at org.apache.axis2.receivers.AbstractMessageReceiver .receive(AbstractMessageReceiver.java:100)
at org.apache.axis2.engine.AxisEngine.receive(AxisEng ine.java:176)
at org.apache.axis2.transport.http.HTTPTransportUtils .processHTTPPostRequest(HTTPTransportUtils.java:27 5)
at org.apache.axis2.transport.http.AxisServlet.doPost (AxisServlet.java:133)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:717)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.UnsupportedOperationException
at org.apache.axis2.databinding.utils.reader.NullXMLS treamReader.getAttributeType(NullXMLStreamReader.j ava:147)
at org.apache.axis2.util.StreamWrapper.getAttributeTy pe(StreamWrapper.java:160)
at javax.xml.stream.util.StreamReaderDelegate.getAttr ibuteType(Unknown Source)
at org.apache.axiom.om.impl.builder.StAXBuilder.proce ssAttributes(StAXBuilder.java:230)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.pop ulateOMElement(StAXOMBuilder.java:396)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.cre ateOMElement(StAXOMBuilder.java:425)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.cre ateNextOMElement(StAXOMBuilder.java:282)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.nex t(StAXOMBuilder.java:207)
... 23 more
[ERROR] java.lang.UnsupportedOperationException
org.apache.axis2.AxisFault: java.lang.UnsupportedOperationException
at org.apache.axis2.AxisFault.makeFault(AxisFault.jav a:430)
at org.apache.axis2.rpc.receivers.RPCMessageReceiver. invokeBusinessLogic(RPCMessageReceiver.java:161)
at org.apache.axis2.receivers.AbstractInOutMessageRec eiver.invokeBusinessLogic(AbstractInOutMessageRece iver.java:40)
at org.apache.axis2.receivers.AbstractMessageReceiver .receive(AbstractMessageReceiver.java:100)
at org.apache.axis2.engine.AxisEngine.receive(AxisEng ine.java:176)
at org.apache.axis2.transport.http.HTTPTransportUtils .processHTTPPostRequest(HTTPTransportUtils.java:27 5)
at org.apache.axis2.transport.http.AxisServlet.doPost (AxisServlet.java:133)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet .java:717)
at org.apache.catalina.core.ApplicationFilterChain.in ternalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.do Filter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invo ke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invo ke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke( StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invok e(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.servic e(CoyoteAdapter.java:286)
at org.apache.coyote.http11.Http11Processor.process(H ttp11Processor.java:845)
at org.apache.coyote.http11.Http11Protocol$Http11Conn ectionHandler.process(Http11Protocol.java:583)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run( JIoEndpoint.java:447)
at java.lang.Thread.run(Unknown Source)
Caused by: org.apache.axiom.om.OMException: java.lang.UnsupportedOperationException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.nex t(StAXOMBuilder.java:260)
at org.apache.axiom.om.impl.llom.OMDocumentImpl.getOM DocumentElement(OMDocumentImpl.java:133)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.get DocumentElement(StAXOMBuilder.java:502)
at org.apache.axis2.rpc.receivers.RPCUtil.processResp onseAsDocLitWrapped(RPCUtil.java:369)
at org.apache.axis2.rpc.receivers.RPCMessageReceiver. invokeBusinessLogic(RPCMessageReceiver.java:138)
... 19 more
Caused by: java.lang.UnsupportedOperationException
at org.apache.axis2.databinding.utils.reader.NullXMLS treamReader.getAttributeType(NullXMLStreamReader.j ava:147)
at org.apache.axis2.util.StreamWrapper.getAttributeTy pe(StreamWrapper.java:160)
at javax.xml.stream.util.StreamReaderDelegate.getAttr ibuteType(Unknown Source)
at org.apache.axiom.om.impl.builder.StAXBuilder.proce ssAttributes(StAXBuilder.java:230)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.pop ulateOMElement(StAXOMBuilder.java:396)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.cre ateOMElement(StAXOMBuilder.java:425)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.cre ateNextOMElement(StAXOMBuilder.java:282)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.nex t(StAXOMBuilder.java:207)
... 23 more