Sreejith K T [http://community.jboss.org/people/srekt] created the discussion "Exception in thread "main" java.lang.NoSuchMethodError: com.sun.xml.bind.api.JAXBRIContext.newInstance([Ljava/lang/Class;)Ljavax/xml/bind/JAXBContext;" To view the discussion, visit: http://community.jboss.org/message/637023#637023 -------------------------------------------------------------- Hi, I am getting the below exception while invoking the Web Service log4j:WARN No appenders could be found for logger (org.jboss.ws.metadata.builder.jaxws.JAXWSWebServiceMetaDataBuilder). log4j:WARN Please initialize the log4j system properly. *Exception in thread "main" java.lang.NoSuchMethodError: com.sun.xml.bind.api.JAXBRIContext.newInstance([Ljava/lang/Class;)Ljavax/xml/bind/JAXBContext*;           at org.jboss.ws.metadata.acessor.JAXBAccessor$1.create(JAXBAccessor.java:67)           at org.jboss.ws.metadata.acessor.JAXBAccessor$1.create(JAXBAccessor.java:54)           at org.jboss.ws.metadata.umdm.ParameterMetaData.eagerInitialize(ParameterMetaData.java:470)           at org.jboss.ws.metadata.umdm.OperationMetaData.eagerInitialize(OperationMetaData.java:466)           at org.jboss.ws.metadata.umdm.EndpointMetaData.eagerInitializeOperations(EndpointMetaData.java:516)           at org.jboss.ws.metadata.umdm.EndpointMetaData.initializeInternal(EndpointMetaData.java:502)           at org.jboss.ws.metadata.umdm.EndpointMetaData.eagerInitialize(EndpointMetaData.java:490)           at org.jboss.ws.metadata.builder.jaxws.JAXWSClientMetaDataBuilder.rebuildEndpointMetaData(JAXWSClientMetaDataBuilder.java:292)           at org.jboss.ws.core.jaxws.spi.ServiceDelegateImpl.getPortInternal(ServiceDelegateImpl.java:274)           at org.jboss.ws.core.jaxws.spi.ServiceDelegateImpl.getPort(ServiceDelegateImpl.java:200)           at javax.xml.ws.Service.getPort(Service.java:116)           at tutorial.hanbo.webservice.jaws.GreetingService.getGreetingPort(GreetingService.java:56)           at tutorial.hanbo.webservice.Client.main(Client.java:10) My Webservice is up and running and client code as follows, Please help           GreetingService service = new GreetingService();           tutorial.hanbo.webservice.jaws.Greeting echo = service.getGreetingPort();     /* Set NEW Endpoint Location */     String endpointURL = " http://dskt:8080/greeting/GreetingWebService?wsdl http://dskt:8080/greeting/GreetingWebService?wsdl";     BindingProvider bp = (BindingProvider)echo;     bp.getRequestContext().put(BindingProvider.ENDPOINT_ADDRESS_PROPERTY, endpointURL);     System.out.println("Server said: " + echo.greetClient("Sreejith")); -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/637023#637023] Start a new discussion in JBoss Web Services Development at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]