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- seam webservice conversation id issues

- seam webservice conversation id issues

2007-08-10       - By rvkishore

 Back
I am trying to expose parts of my seam application as a web service. I am
starting off with a simple login service. I am following the recommended
pattern of using a  SLSB as a facade and exposing that as a webservice.

SLSB

 |
 | @(protected)
 | @(protected)(name = "DtlService", serviceName = "DtlService")
 | public class DtlService implements DtlServiceRemote
 | {
 |   @(protected)
 |   public boolean login(String userName, String password)
 |   {
 |     Identity.instance().setUsername(userName);
 |     Identity.instance().setPassword(password);
 |     Identity.instance().login();
 |     return Identity.instance().isLoggedIn();
 |   }
 | }
 |
 |

The web service starts up fine and when I use the soapui toolkit to test this
login service it works fine. I have no conversation Id in the soap header. The
SOAP response from the seam web service has a conversation id in the response.

But when I use the apache axis & apache cxf toolkits to test the same web
service, I get the following error.


 | 10:48:01,953 ERROR [HandlerChainExecutor] Exception during handler
processing
 | java.lang.NullPointerException
 |         at org.jboss.seam.webservice.SOAPRequestHandler
.extractConversationId(SOAPRequestHandler.java:137)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleInbound
(SOAPRequestHandler.java:75)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleMessage
(SOAPRequestHandler.java:56)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:295)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:140)
 |         at org.jboss.ws.core.jaxws.handler.HandlerDelegateJAXWS
.callRequestHandlerChain(HandlerDelegateJAXWS.java:87)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker
.callRequestHandlerChain(ServiceEndpointInvoker.java:115)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke
(ServiceEndpointInvoker.java:188)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest
(RequestHandlerImpl.java:396)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest
(RequestHandlerImpl.java:260)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost
(RequestHandlerImpl.java:177)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest
(RequestHandlerImpl.java:110)
 |         at org.jboss.wsf.spi.invocation.EndpointServlet.service
(EndpointServlet.java:72)
 |         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.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.jboss.web.tomcat.security.JaccContextValve.invoke
(JaccContextValve.java:84)
 |         at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
 |         at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:104)
 |         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:241)
 |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor
.java:844)
 |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler
.process(Http11Protocol.java:580)
 |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint
.java:447)
 |         at java.lang.Thread.run(Thread.java:595)
 | 10:48:02,027 ERROR [SOAPFaultHelperJAXWS] SOAP request exception
 | javax.xml.ws.WebServiceException: java.lang.NullPointerException
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.processHandlerFailure(HandlerChainExecutor.java:276)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:155)
 |         at org.jboss.ws.core.jaxws.handler.HandlerDelegateJAXWS
.callRequestHandlerChain(HandlerDelegateJAXWS.java:87)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker
.callRequestHandlerChain(ServiceEndpointInvoker.java:115)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke
(ServiceEndpointInvoker.java:188)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest
(RequestHandlerImpl.java:396)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest
(RequestHandlerImpl.java:260)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost
(RequestHandlerImpl.java:177)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest
(RequestHandlerImpl.java:110)
 |         at org.jboss.wsf.spi.invocation.EndpointServlet.service
(EndpointServlet.java:72)
 |         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.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.jboss.web.tomcat.security.JaccContextValve.invoke
(JaccContextValve.java:84)
 |         at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
 |         at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:104)
 |         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:241)
 |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor
.java:844)
 |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler
.process(Http11Protocol.java:580)
 |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint
.java:447)
 |         at java.lang.Thread.run(Thread.java:595)
 |         Caused by: java.lang.NullPointerException
 |         at org.jboss.seam.webservice.SOAPRequestHandler
.extractConversationId(SOAPRequestHandler.java:137)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleInbound
(SOAPRequestHandler.java:75)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleMessage
(SOAPRequestHandler.java:56)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:295)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:140)
 |         ... 27 more
 |         10:48:02,068 ERROR [SOAPFaultHelperJAXWS] SOAP request exception
 | javax.xml.ws.WebServiceException: java.lang.NullPointerException
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.processHandlerFailure(HandlerChainExecutor.java:276)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:155)
 |         at org.jboss.ws.core.jaxws.handler.HandlerDelegateJAXWS
.callRequestHandlerChain(HandlerDelegateJAXWS.java:87)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker
.callRequestHandlerChain(ServiceEndpointInvoker.java:115)
 |         at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke
(ServiceEndpointInvoker.java:188)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest
(RequestHandlerImpl.java:396)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest
(RequestHandlerImpl.java:260)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost
(RequestHandlerImpl.java:177)
 |         at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest
(RequestHandlerImpl.java:110)
 |         at org.jboss.wsf.spi.invocation.EndpointServlet.service
(EndpointServlet.java:72)
 |         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.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.jboss.web.tomcat.security.JaccContextValve.invoke
(JaccContextValve.java:84)
 |         at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:128)
 |         at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:104)
 |         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:241)
 |         at org.apache.coyote.http11.Http11Processor.process(Http11Processor
.java:844)
 |         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler
.process(Http11Protocol.java:580)
 |         at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint
.java:44
 | 7)
 |         at java.lang.Thread.run(Thread.java:595)
 | Caused by: java.lang.NullPointerException
 |         at org.jboss.seam.webservice.SOAPRequestHandler
.extractConversationId(SOAPRequestHandler.java:137)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleInbound
(SOAPRequestHandler.java:75)
 |         at org.jboss.seam.webservice.SOAPRequestHandler.handleMessage
(SOAPRequestHandler.java:56)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:295)
 |         at org.jboss.ws.core.jaxws.handler.HandlerChainExecutor
.handleMessage(HandlerChainExecutor.java:140)
 |         ... 27 more
 |
 |
 |

Any advice regarding the conversation Id strategy for stateful web services    
 in seam would be helpful

Thanks in  advance

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&p=4073157#4073157

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=reply&p=4073157
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