JBossDeveloper

Here you go:

09:09:04,218 ERROR [SOAPFaultExceptionHelper] SOAP request exception
javax.xml.rpc.JAXRPCException: org.jboss.ws.binding.BindingException: javax.xml.bind.JAXBException: Failed to parse source: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.
 at org.jboss.ws.soap.SOAPContentElement.getObjectValue(SOAPContentElement.java:307)
 at org.jboss.ws.binding.EndpointInvocation.transformPayloadValue(EndpointInvocation.java:233)
 at org.jboss.ws.binding.EndpointInvocation.getRequestParamValue(EndpointInvocation.java:103)
 at org.jboss.ws.binding.EndpointInvocation.getRequestPayload(EndpointInvocation.java:117)
 at org.jboss.ws.server.ServiceEndpointInvokerJSE.invokeServiceEndpoint(ServiceEndpointInvokerJSE.java:94)
 at org.jboss.ws.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:118)
 at org.jboss.ws.server.ServiceEndpoint.handleRequest(ServiceEndpoint.java:234)
 at org.jboss.ws.server.ServiceEndpointServlet.doPost(ServiceEndpointServlet.java:120)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.portal.wsrp.servlet.TransactionFilter.doFilter(TransactionFilter.java:77)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.portal.wsrp.servlet.ServletAccessFilter.doFilter(ServletAccessFilter.java:53)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
 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.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:175)
 at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
 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.MasterSlaveWorkerThread.run(MasterSlaveWorkerThread.java:112)
 at java.lang.Thread.run(Thread.java:595)
Caused by: org.jboss.ws.binding.BindingException: javax.xml.bind.JAXBException: Failed to parse source: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.
 at org.jboss.ws.jaxrpc.encoding.JAXBDeserializer.deserialize(JAXBDeserializer.java:108)
 at org.jboss.ws.soap.SOAPContentElement.getObjectValue(SOAPContentElement.java:262)
 ... 33 more
Caused by: javax.xml.bind.JAXBException: Failed to parse source: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.
 at org.jboss.ws.jaxb.JAXBUnmarshallerImpl.unmarshal(JAXBUnmarshallerImpl.java:82)
 at org.jboss.ws.jaxrpc.encoding.JAXBDeserializer.deserialize(JAXBDeserializer.java:97)
 ... 34 more
Caused by: org.jboss.xb.binding.JBossXBException: Failed to parse source: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.
 at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:141)
 at org.jboss.xb.binding.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:127)
 at org.jboss.ws.jaxb.JAXBUnmarshallerImpl.unmarshal(JAXBUnmarshallerImpl.java:78)
 ... 35 more
Caused by: org.jboss.xb.binding.JBossXBRuntimeException: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.
 at org.jboss.xb.binding.sunday.unmarshalling.SequenceBinding$1.startElement(SequenceBinding.java:315)
 at org.jboss.xb.binding.sunday.unmarshalling.ModelGroupBinding$Cursor.startElement(ModelGroupBinding.java:151)
 at org.jboss.xb.binding.sunday.unmarshalling.SundayContentHandler.startElement(SundayContentHandler.java:189)
 at org.jboss.xb.binding.parser.sax.SaxJBossXBParser$DelegatingContentHandler.startElement(SaxJBossXBParser.java:299)
 at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
 at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown Source)
 at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
 at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
 at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
 at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
 at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
 at org.jboss.xb.binding.parser.sax.SaxJBossXBParser.parse(SaxJBossXBParser.java:137)
 ... 37 more

Here's some additional info once I reconfigured log4j.xml:

09:47:46,906 DEBUG [HandlerChainBaseImpl] Enter: handleFault
09:47:46,906 DEBUG [HandlerChainBaseImpl] Handle fault: [state=METHOD_READY,handler=org.jboss.portal.wsrp.handler.WSRPExtensionHandler@173eabc]
09:47:46,906 DEBUG [HandlerChainBaseImpl] Exit: handleFault with status: true
09:47:46,906 DEBUG [ServiceEndpoint] Outgoing SOAPMessage
<env:Envelope xmlns:env='http://schemas.xmlsoap.org/soap/envelope/'>
 <env:Header/>
 <env:Body>
 <env:Fault>
 <faultcode>env:Client</faultcode>
 <faultstring>javax.xml.rpc.JAXRPCException: org.jboss.ws.binding.BindingException: javax.xml.bind.JAXBException: Failed to parse source: Requested element {urn:bea:wsrp:ext:v1:types}LookAndFeelDescriptor is not allowed in this position in the sequence.</faultstring>
 </env:Fault>
 </env:Body>
</env:Envelope>
09:47:46,953 DEBUG [ServiceEndpoint] END handleRequest: jboss.ws:di=portal-wsrp.war,service=WSRPService,port=WSRPBaseService
09:47:46,953 DEBUG [MessageContextAssociation] popMessageContext: org.jboss.ws.soap.SOAPMessageContextImpl@134de35

It appears that WSRPExtensionHandler.java correctly sets the removeExtensions instance variable to true.

Unfortunately the handleResponse() method, which calls removeExtensions(), is never called by anyone, so the extension remains.