NullPointerException calling a WebService
lafr Sep 5, 2010 5:24 PMUsing JBoss 6.0.0.M4 calling a WebService from a C++-Application using gsoap fails with a NPE:
23:12:58,293 WARN [org.apache.cxf.phase.PhaseInterceptorChain] Interceptor for {http://core.ws.fn.mbisoftware.biz/}MessageServiceWS has thrown exception, unwinding now: java.lang.NullPointerException
at org.apache.cxf.staxutils.StaxUtils.toNextElement(StaxUtils.java:332) [:2.2.10]
at org.apache.cxf.binding.soap.interceptor.RPCInInterceptor.handleMessage(RPCInInterceptor.java:99) [:2.2.10]
at org.apache.cxf.phase.PhaseInterceptorChain.doIntercept(PhaseInterceptorChain.java:244) [:2.2.10]
at org.apache.cxf.transport.ChainInitiationObserver.onMessage(ChainInitiationObserver.java:110) [:2.2.10]
at org.apache.cxf.transport.servlet.ServletDestination.invoke(ServletDestination.java:98) [:2.2.10]
at org.apache.cxf.transport.servlet.ServletController.invokeDestination(ServletController.java:423) [:2.2.10]
at org.jboss.wsf.stack.cxf.ServletControllerExt.invoke(ServletControllerExt.java:172) [:3.4.0.Beta2]
at org.jboss.wsf.stack.cxf.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:57) [:3.4.0.Beta2]
at org.jboss.wsf.stack.cxf.transport.ServletHelper.callRequestHandler(ServletHelper.java:162) [:3.4.0.Beta2]
at org.jboss.wsf.stack.cxf.CXFNonSpringServletExt.invoke(CXFNonSpringServletExt.java:89) [:3.4.0.Beta2]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.handleRequest(AbstractHTTPServlet.java:179) [:2.2.10]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.doPost(AbstractHTTPServlet.java:103) [:2.2.10]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [:1.0.0.Beta2]
at org.apache.cxf.transport.servlet.AbstractHTTPServlet.service(AbstractHTTPServlet.java:159) [:2.2.10]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:]
at org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:63) [:]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) [:]
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.0.0-SNAPSHOT]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.CR3]
at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.CR3]
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.0.0-SNAPSHOT]
at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.0.0-SNAPSHOT]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) [:]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:]
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.0.0-SNAPSHOT]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:]
at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.0.0-SNAPSHOT]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653) [:]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:]
at java.lang.Thread.run(Thread.java:619) [:1.6.0_21]
Calling these WebServices from a Java-Application seem to work.
The code runs OK using JBoss AS 4.24.
Interface:
@WebService
@SOAPBinding(style = SOAPBinding.Style.RPC)
public interface MessageServiceWSI
{
...
}
Implementation:
@WebService(endpointInterface = "biz.mbisoftware.fn.ws.core.MessageServiceWSI", serviceName = "MessageServiceWS")
public class MessageServiceWS implements MessageServiceWSI
{
....
}
The wsdl-files on JBoss 6 are slightly different to those on 4.24.
Generating the client artefacts based on the new wsdl files does not change anything.
Any hints?
How can I enable logging to see the incoming message?