Hello,

i have a problem throwing a custom exception in a web method - the stacktrace lead me to a NPE in

I use JBoss 4.2.2 GA and JBossWS 3.0.5 native.

In the web service class i defined 2 methods, which are just throwing a custom exception -

one method without parameters and one with 1 input parameter:

{code}
@Stateless
@WebService
@WebContext(contextRoot = ConfigConstants.CONTEXT_ROOT,
            authMethod = ConfigConstants.AUTH_METHOD,
            transportGuarantee = ConfigConstants.TRANSPORT_GUARANTEE,
            secureWSDLAccess = ConfigConstants.SECURE_WSDL_ACCESS)
@SOAPBinding(style= SOAPBinding.Style.RPC)
@RolesAllowed({ConfigConstants.ROLE_USI_USER})
@SecurityDomain(ConfigConstants.SECURITY_DOMAIN)
public class TestServer 
{
  @WebMethod
  @WebResult(name = "companyList")
  public CompanyList getAvailabeCompanyList() throws SystemException
  {
    if(true) throw new SystemException("getAvailabeCompanyList ");
    return null;
  }
 
  @WebMethod
  @WebResult(name = "companyList2")
  public CompanyList getAvailabeCompanyList2(
    @WebParam(name = "str") String str
  ) throws SystemException
  {
    if(true) throw new SystemException("getAvailabeCompanyList2 " + str);
    return null;
  }
}
{code}

When i call the methods, the one with an input parameter (getAvailabeCompanyList2) correctly throws the exception,

but the method without input parameter fails with the following stacktrace:

{noformat}
20:42:41,707 ERROR [SOAPFaultHelperJAXWS] SOAP request exception
com.creados.gksst.base.transferobject.SystemException: getAvailabeCompanyList
... 
20:42:41,719 DEBUG [JAXBSerializer] serialize: [xmlName={http://impl.facade.gksst.creados.com/}SystemException,xmlType={http://impl.facade.gksst.creados.com/}SystemException]
20:42:41,720 WARN  [ServiceEndpointInvoker] Exception while processing handleFault:
com.creados.gksst.base.transferobject.SystemException: getAvailabeCompanyList
        at com.creados.gksst.facade.impl.GkSstServer.getAvailabeCompanyList(GkSstServer.java:115)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
        at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
        at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:79)
        at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:191)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:95)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.security.RoleBasedAuthorizationInterceptor.invoke(RoleBasedAuthorizationInterceptor.java:166)
        at org.jboss.ejb3.security.RoleBasedAuthorizationInterceptor.invoke(RoleBasedAuthorizationInterceptor.java:115)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
        at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:110)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
        at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
        at org.jboss.wsf.container.jboss42.InvocationHandlerEJB3.invoke(InvocationHandlerEJB3.java:103)
        at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:219)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:474)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:295)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:205)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:131)
        at org.jboss.wsf.common.servlet.AbstractEndpointServlet.service(AbstractEndpointServlet.java:85)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.hyperic.hq.product.servlet.filter.JMXFilter.doFilter(JMXFilter.java:324)
        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:230)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
        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:157)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
        at java.lang.Thread.run(Thread.java:619)
20:42:41,720 ERROR [SOAPFaultHelperJAXWS] SOAP request exception
javax.xml.ws.WebServiceException: java.lang.NullPointerException
        at org.jboss.ws.core.jaxws.JAXBSerializer.handleMarshallException(JAXBSerializer.java:143)
        at org.jboss.ws.core.jaxws.JAXBSerializer.serialize(JAXBSerializer.java:86)
        at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.toDetailEntry(SOAPFaultHelperJAXWS.java:359)
        at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.toSOAPMessage(SOAPFaultHelperJAXWS.java:277)
        at org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.exceptionToFaultMessage(SOAPFaultHelperJAXWS.java:187)
        at org.jboss.ws.core.jaxws.binding.SOAP11BindingJAXWS.createFaultMessageFromException(SOAP11BindingJAXWS.java:102)
        at org.jboss.ws.core.CommonSOAPBinding.bindFaultMessage(CommonSOAPBinding.java:671)
        at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:277)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:474)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:295)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:205)
        at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:131)
        at org.jboss.wsf.common.servlet.AbstractEndpointServlet.service(AbstractEndpointServlet.java:85)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.hyperic.hq.product.servlet.filter.JMXFilter.doFilter(JMXFilter.java:324)
        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:230)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
        at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:524)
        at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
        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:157)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
        at java.util.Arrays$ArrayList.<init>(Arrays.java:3357)
        at java.util.Arrays.asList(Arrays.java:3343)
        at org.jboss.ws.core.jaxws.JAXBSerializer.getClassesForContextCreation(JAXBSerializer.java:108)
        at org.jboss.ws.core.jaxws.JAXBSerializer.serialize(JAXBSerializer.java:68)
        ... 34 more
20:42:41,722 DEBUG [SOAPFaultHelperJAXWS] Cannot obtain fault meta data for: class javax.xml.ws.WebServiceException
...
 
{noformat}

The client recieves

{noformat}
     [java] javax.xml.ws.soap.SOAPFaultException: java.lang.NullPointerException
     [java]     at com.sun.xml.ws.fault.SOAP11Fault.getProtocolException(SOAP11Fault.java:188)
     [java]     at com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:108)
     [java]     at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:119)
     [java]     at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:89)
     [java]     at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:118)
     [java]     at $Proxy29.getAvailabeCompanyList(Unknown Source)
{noformat}

instead of the custom exception.

For the other method, its the supposed one:

{noformat}
     [java] com.creados.gksst.testclient.delegate.facade.SystemException_Exception: getAvailabeCompanyList2 teststring
     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
     [java]     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
     [java]     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
     [java]     at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
     [java]     at com.sun.xml.ws.fault.SOAPFaultBuilder.createException(SOAPFaultBuilder.java:127)
     [java]     at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:119)
     [java]     at com.sun.xml.ws.client.sei.SyncMethodHandler.invoke(SyncMethodHandler.java:89)
     [java]     at com.sun.xml.ws.client.sei.SEIStub.invoke(SEIStub.java:118)
     [java]     at $Proxy29.getAvailabeCompanyList2(Unknown Source)
{noformat}
 

So here the questions:

- Do i have an error in the code ?

- Is this a bug ?

- If yes, is it known or even fixed ?

Any hint or solution is welcome.

Best regards,

Timo