NullPointerException on combined EJB3 session bean and JAX-W
twwwt Nov 11, 2008 9:00 AMHello,
I'm implementing a class that is both a EJB3 stateless session bean and also exposes itself as a JAX-WS Web service. Below you can see relevant excerpt from the code.
When I want to access the WSDL document from a Web browser I get an NPE, see below. When I remove the EJBContext variable declaration including the @Resource annotiation the exception does not appear.
I'm using JBoss 4.2.3GA and jbossws-cxf-3.0.4.GA.
It seems to me that it is related to CXF but appears only for classes that are both EJBs and JAX-WS Web services. Am I right or did I missed something? Should I try with jbossws-native or jbossws-metro again or would they fail as well?
Regards,
Thorsten
// ... @Local(BankServiceLocal.class) @Remote(BankServiceRemote.class) @Stateless @TransactionAttribute(TransactionAttributeType.REQUIRED) @WebService(name="BankService", targetNamespace="http://myCompany.com") public class BankServiceImpl implements BankService { @PersistenceContext protected EntityManager em; @Resource protected EJBContext context; @WebResult(name = "customer") public Customer getCustomerDetails( @WebParam(name = "bic") String bic, @WebParam(name = "iban") String iban) throws UnknownAccountException { // ... } // ... }
14:35:43,937 INFO [ServerImpl] Setting the server's publish address to be http://127.0.0.1:8080/dis.ws/BankServiceImpl 14:35:43,968 ERROR [AnnotationProcessor] an AnnotationVisitor (org.apache.cxf.common.injection.ResourceInjector@151e077) raised an exception on element protected javax.ejb.EJBContext ch.unibas.cs.dbis.dis.jaxws.BankServiceImpl.context. java.lang.NullPointerException at javax.naming.InitialContext.getURLScheme(InitialContext.java:269) at javax.naming.InitialContext.getURLOrDefaultInitCtx(InitialContext.java:318) at javax.naming.InitialContext.lookup(InitialContext.java:392) at org.apache.cxf.transport.servlet.ServletContextResourceResolver.resolve(ServletContextResourceResolver.java:62) at org.apache.cxf.resource.DefaultResourceManager.findResource(DefaultResourceManager.java:99) at org.apache.cxf.resource.DefaultResourceManager.resolveResource(DefaultResourceManager.java:55) at org.apache.cxf.common.injection.ResourceInjector.resolveResource(ResourceInjector.java:401) at org.apache.cxf.common.injection.ResourceInjector.visitField(ResourceInjector.java:164) 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.apache.cxf.common.annotation.AnnotationProcessor.visitAnnotatedElement(AnnotationProcessor.java:131) at org.apache.cxf.common.annotation.AnnotationProcessor.processFields(AnnotationProcessor.java:110) at org.apache.cxf.common.annotation.AnnotationProcessor.accept(AnnotationProcessor.java:89) at org.apache.cxf.common.injection.ResourceInjector.inject(ResourceInjector.java:81) at org.apache.cxf.common.injection.ResourceInjector.inject(ResourceInjector.java:76) at org.apache.cxf.jaxws.JaxWsServerFactoryBean.injectResources(JaxWsServerFactoryBean.java:217) at org.apache.cxf.jaxws.JaxWsServerFactoryBean.init(JaxWsServerFactoryBean.java:168) at org.apache.cxf.jaxws.JaxWsServerFactoryBean.create(JaxWsServerFactoryBean.java:161) at org.apache.cxf.jaxws.EndpointImpl.getServer(EndpointImpl.java:322) at org.apache.cxf.jaxws.EndpointImpl.doPublish(EndpointImpl.java:244) at org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:194) at org.apache.cxf.jaxws.EndpointImpl.publish(EndpointImpl.java:380) 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.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1242) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1208) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1172) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:427) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:249) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:155) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:246) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:160) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:291) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:352) at org.jboss.wsf.stack.cxf.CXFServletExt.loadAdditionalConfigExt(CXFServletExt.java:141) at org.jboss.wsf.stack.cxf.CXFServletExt.loadBus(CXFServletExt.java:118) at org.apache.cxf.transport.servlet.AbstractCXFServlet.init(AbstractCXFServlet.java:86) at org.jboss.wsf.stack.cxf.CXFServletExt.init(CXFServletExt.java:73) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1161) at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:806) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:129) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 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:262) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) at java.lang.Thread.run(Thread.java:619)