Uploaded image for project: 'CXF'
  1. CXF
  2. CXF-3527

NullPointer exception when interface contains generics

    XMLWordPrintableJSON

Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • 2.3.3
    • 2.4.1, 2.3.5
    • Aegis Databinding
    • None
    • Debian GNU/Linux Tomcat6

    Description

      The following code fails with a NULL pointer exception in deploy. Always the same. In order to reproduce the problem you have to uncomment the method declarations otherwise the war does not deploy.

      What I would like in case it is not possible to make it work in Aegis due to other constraints is a better error mentioning the problematic method because right now I have to suspect all methods and play binary search to find the problematic ones.

      // fails with null pointer exception in deploy
      // public T testGeneric(Collection<T> collection);

      // success
      public Integer testGeneric(Collection<T> collection);

      // fails with null pointer exception in deploy
      // public <T1, T2> Pair<T1, T2> testReturnGenericPair(T1 first, T2 second);

      // fails with null pointer exception in deploy
      // public Pair<Integer, String> testReturnQualifiedPair(Integer first,
      // String second);

      // fails with null pointer exception in deploy
      // public <T1, T2> int testGenericPair(Pair<T1, T2> pair);

      // fails with null pointer exception in deploy
      // public int testQualifiedPair(Pair<Integer, String> pair);

      You cant find the eclipse project attached in
      https://issues.apache.org/jira/browse/CXF-3526

      and here is the exception

      May 16, 2011 5:38:12 PM org.apache.catalina.core.StandardContext listenerStart
      SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener
      org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'test': Invocation of init method failed; nested exception is java.lang.NullPointerException
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1420)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
      at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
      at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
      at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
      at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
      at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
      at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
      at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
      at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
      at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
      at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
      at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4206)
      at org.apache.catalina.core.StandardContext.start(StandardContext.java:4705)
      at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799)
      at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779)
      at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601)
      at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:943)
      at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:563)
      at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1397)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:616)
      at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
      at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:857)
      at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:795)
      at org.apache.catalina.manager.ManagerServlet.check(ManagerServlet.java:1500)
      at org.apache.catalina.manager.ManagerServlet.deploy(ManagerServlet.java:849)
      at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:351)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
      at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
      at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
      at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
      at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
      at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
      at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:563)
      at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
      at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
      at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
      at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
      at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
      at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
      at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
      at java.lang.Thread.run(Thread.java:636)
      Caused by: java.lang.NullPointerException
      at org.apache.cxf.aegis.type.AbstractTypeCreator.isArray(AbstractTypeCreator.java:167)
      at org.apache.cxf.aegis.type.AbstractTypeCreator.createTypeForClass(AbstractTypeCreator.java:113)
      at org.apache.cxf.aegis.type.AbstractTypeCreator.createType(AbstractTypeCreator.java:390)
      at org.apache.cxf.aegis.type.basic.BeanTypeInfo.getType(BeanTypeInfo.java:192)
      at org.apache.cxf.aegis.type.basic.BeanType.getDependencies(BeanType.java:532)
      at org.apache.cxf.aegis.databinding.AegisDatabinding.addDependencies(AegisDatabinding.java:394)
      at org.apache.cxf.aegis.databinding.AegisDatabinding.initializeMessage(AegisDatabinding.java:370)
      at org.apache.cxf.aegis.databinding.AegisDatabinding.initializeOperation(AegisDatabinding.java:273)
      at org.apache.cxf.aegis.databinding.AegisDatabinding.initialize(AegisDatabinding.java:239)
      at org.apache.cxf.service.factory.AbstractServiceFactoryBean.initializeDataBindings(AbstractServiceFactoryBean.java:86)
      at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.buildServiceFromClass(ReflectionServiceFactoryBean.java:442)
      at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.initializeServiceModel(ReflectionServiceFactoryBean.java:505)
      at org.apache.cxf.service.factory.ReflectionServiceFactoryBean.create(ReflectionServiceFactoryBean.java:242)
      at org.apache.cxf.frontend.AbstractWSDLBasedEndpointFactory.createEndpoint(AbstractWSDLBasedEndpointFactory.java:101)
      at org.apache.cxf.frontend.ServerFactoryBean.create(ServerFactoryBean.java:148)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:616)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeCustomInitMethod(AbstractAutowireCapableBeanFactory.java:1544)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1485)
      at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1417)
      ... 45 more
      May 16, 2011 5:38:12 PM org.apache.catalina.core.ApplicationContext log
      INFO: Closing Spring root WebApplicationContext

      Attachments

        Activity

          People

            ffang Freeman Yue Fang
            vasvir Vassilis Virvilis
            Votes:
            0 Vote for this issue
            Watchers:
            0 Start watching this issue

            Dates

              Created:
              Updated:
              Resolved: