JAX-RS avec CXF

Bonjour,

afin de commencer simplement avec JAX-RS, je me suis basé sur l'exemple illusté à l'url suivant:

http://www.javatips.net/blog/2012/10...without-spring

où j'ai développé mon service web dans Eclipse. Lors du démarrage du serveur depuis Eclipse, j'ai l'erreur suivante qui survient dans la console:

Code:

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INFO: Server startup in 6968 ms
mai 08, 2013 2:39:37 PM org.apache.cxf.endpoint.ServerImpl initDestination
INFO: Setting the server's publish address to be /
mai 08, 2013 2:39:38 PM org.apache.cxf.service.factory.ReflectionServiceFactoryBean buildServiceFromWSDL
INFO: Creating Service {http://docs.oasis-open.org/ws-dd/ns/discovery/2009/01}Discovery from WSDL: classpath:/org/apache/cxf/ws/discovery/wsdl/wsdd-discovery-1.1-wsdl-os.wsdl
mai 08, 2013 2:39:38 PM org.apache.cxf.endpoint.ServerImpl initDestination
INFO: Setting the server's publish address to be soap.udp://239.255.255.250:3702
mai 08, 2013 2:39:38 PM org.apache.catalina.core.ApplicationContext log
SEVERE: StandardWrapper.Throwable
org.apache.cxf.service.factory.ServiceConstructionException
	at org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:201)
	at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:140)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:865)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:136)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NullPointerException
	at org.apache.cxf.ws.discovery.internal.WSDiscoveryServiceImpl.serverStarted(WSDiscoveryServiceImpl.java:126)
	at org.apache.cxf.ws.discovery.listeners.WSDiscoveryServerListener.startServer(WSDiscoveryServerListener.java:72)
	at org.apache.cxf.bus.managers.ServerLifeCycleManagerImpl.startServer(ServerLifeCycleManagerImpl.java:61)
	at org.apache.cxf.endpoint.ServerImpl.start(ServerImpl.java:146)
	at org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:192)
	... 19 more
 
mai 08, 2013 2:39:38 PM org.apache.catalina.core.StandardWrapperValve invoke
SEVERE: Exception lors de l'allocation pour la servlet CXF Servlet
java.lang.NullPointerException
	at org.apache.cxf.ws.discovery.internal.WSDiscoveryServiceImpl.serverStarted(WSDiscoveryServiceImpl.java:126)
	at org.apache.cxf.ws.discovery.listeners.WSDiscoveryServerListener.startServer(WSDiscoveryServerListener.java:72)
	at org.apache.cxf.bus.managers.ServerLifeCycleManagerImpl.startServer(ServerLifeCycleManagerImpl.java:61)
	at org.apache.cxf.endpoint.ServerImpl.start(ServerImpl.java:146)
	at org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:192)
	at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:140)
	at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280)
	at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193)
	at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:865)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:136)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:722)

Au niveau du navrigateur, j'ai l'erreur suivante:

Code:

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Etat HTTP 500 - "Servlet.init()" pour la servlet CXF Servlet a généré une exception
 
type Rapport d''exception
 
message "Servlet.init()" pour la servlet CXF Servlet a généré une exception
 
description Le serveur a rencontré une erreur interne qui l''a empêché de satisfaire la requête.
 
exception
 
javax.servlet.ServletException: "Servlet.init()" pour la servlet CXF Servlet a généré une exception
	org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	java.lang.Thread.run(Thread.java:722)
 
cause mère
 
org.apache.cxf.service.factory.ServiceConstructionException
	org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:201)
	org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:140)
	org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	java.lang.Thread.run(Thread.java:722)
 
cause mère
 
java.lang.NullPointerException
	org.apache.cxf.ws.discovery.internal.WSDiscoveryServiceImpl.serverStarted(WSDiscoveryServiceImpl.java:126)
	org.apache.cxf.ws.discovery.listeners.WSDiscoveryServerListener.startServer(WSDiscoveryServerListener.java:72)
	org.apache.cxf.bus.managers.ServerLifeCycleManagerImpl.startServer(ServerLifeCycleManagerImpl.java:61)
	org.apache.cxf.endpoint.ServerImpl.start(ServerImpl.java:146)
	org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:192)
	org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:140)
	org.apache.tomee.catalina.OpenEJBValve.invoke(OpenEJBValve.java:45)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
	java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	java.lang.Thread.run(Thread.java:722)
 
note La trace complète de la cause mère de cette erreur est disponible dans les fichiers journaux de Apache Tomcat (TomEE)/7.0.37.
Apache Tomcat (TomEE)/7.0.37

Dans le fichier web.xml, j'ai le contenu suivant:

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<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
	<servlet>
		<display-name>CXFServlet</display-name>
		<servlet-name>CXF Servlet</servlet-name>
		<servlet-class>org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet
		</servlet-class>
		<init-param>
			<param-name>jaxrs.serviceClasses</param-name>
			<param-value>com.student.ChangeStudentDetailsImpl</param-value>
		</init-param>
		<init-param>
			<param-name>jaxrs.providers</param-name>
			<param-value>com.student.ChangeStudentDetailsImpl</param-value>
		</init-param>
 
		<init-param>
			<param-name>jaxrs.address</param-name>
			<param-value>/rest</param-value>
		</init-param>
	</servlet>
	<servlet-mapping>
		<servlet-name>CXF Servlet</servlet-name>
		<url-pattern>/*</url-pattern>
	</servlet-mapping>
</web-app>

Est-ce que quelqu'un aurait une idée sur cette erreur liée à "Servlet.init()" ?

D'avance je vous remercie pour votre aide!

Cédric