[jboss-user] [JBossWS] - Re: webservice class injecting EJB, nullpointerexception

HTroeng do-not-reply at jboss.com
Tue Jan 15 05:25:23 EST 2008


Ok, starting with the EJB service:

Interface:
@Local
public interface FunnyService {
  public String getFunnyMessage();
}

Impl:
@Stateless
@LocalBinding(jndiBinding = "FunnyService")
public class FunnyServiceImpl implements FunnyService {
  public String getFunnyMessage() {
    return "Hello my name is earl!";
  }
}

Webservice interface:
@WebService
public interface MyService {
  public String echoMsg();
}

Impl:
@WebService(endpointInterface = "com.package.MyService")
@SOAPBinding(style = Style.RPC)
@Remote(MyService.class)
@Stateless
public class MyServiceImpl implements MyService {
  @EJB
  private FunnyService funnyService;
  @WebMethod(operationName = "echoMsg")
  public String echoMsg() {
    String s = funnyService.getFunnyMessage();
    return s;
  }
}

web.xml:

	<servlet-name>MyService</servlet-name>
	 <servlet-class>com.mypackage.MyServiceImpl</servlet-class>

<servlet-mapping>
	<servlet-name>MyService</servlet-name>
	<url-pattern>/MyService</url-pattern>
</servlet-mapping>

Stacktrace:
11:24:17,546 INFO  org.jboss.deployment.EARDeployer.init(EARDeployer.java:142)
    Init J2EE application: file:/C:/devel/jboss-4.2.1.GA-2/server/default/deploy/ear-3.0-SNAPSHOT.ear

11:24:24,375 INFO  org.jboss.deployment.EARDeployer.start(EARDeployer.java:368)
    Started J2EE application: file:/C:/devel/jboss-4.2.1.GA-2/server/default/deploy/ear-3.0-SNAPSHOT.ear

11:24:31,625 ERROR org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.exceptionToFaultMessage(SOAPFaultHelperJAXWS.java:146)
    SOAP request exception

java.lang.NullPointerException
	at com.mypackage.impl.MyServiceImpl.echoMsg(MyServiceImpl.java:24)
	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.wsf.container.jboss42.DefaultInvocationHandler.invoke(DefaultInvocationHandler.java:102)
	at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:220)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:408)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:272)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:189)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:122)
	at org.jboss.wsf.stack.jbws.EndpointServlet.service(EndpointServlet.java:84)
	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:619)
11:24:31,734 ERROR org.jboss.ws.core.jaxws.SOAPFaultHelperJAXWS.exceptionToFaultMessage(SOAPFaultHelperJAXWS.java:146)
    SOAP request exception

java.lang.NullPointerException
	at com.mypackage.impl.MyServiceImpl.echoMsg(MyServiceImpl.java:24)
	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.wsf.container.jboss42.DefaultInvocationHandler.invoke(DefaultInvocationHandler.java:102)
	at org.jboss.ws.core.server.ServiceEndpointInvoker.invoke(ServiceEndpointInvoker.java:220)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.processRequest(RequestHandlerImpl.java:408)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleRequest(RequestHandlerImpl.java:272)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.doPost(RequestHandlerImpl.java:189)
	at org.jboss.wsf.stack.jbws.RequestHandlerImpl.handleHttpRequest(RequestHandlerImpl.java:122)
	at org.jboss.wsf.stack.jbws.EndpointServlet.service(EndpointServlet.java:84)
	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:619)


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