在tomcat上用CXF錯誤的restful webservice

Question

我用CXF開發了Restful webservice。它在開發中工作正常。當我在tomcat上部署戰爭時，它不起作用。它在戰爭啓動時拋出錯誤。

錯誤日誌：

Dec 12, 2012 2:56:00 PM org.apache.catalina.core.ApplicationContext log 
SEVERE: StandardWrapper.Throwable 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restContainer': Invocation of init method failed; nested exception is org.apache.cxf.service.factory.ServiceConstructionException 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1422) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:518) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:455) 
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:293) 
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:290) 
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:192) 
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585) 
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895) 
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425) 
    at org.apache.cxf.transport.servlet.CXFServlet.createSpringContext(CXFServlet.java:160) 
    at org.apache.cxf.transport.servlet.CXFServlet.loadBus(CXFServlet.java:74) 
    at org.apache.cxf.transport.servlet.CXFNonSpringServlet.init(CXFNonSpringServlet.java:71) 
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1206) 
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1026) 
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4421) 
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4734) 
    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.deployWARs(HostConfig.java:778) 
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:504) 
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) 
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) 
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) 
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) 
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) 
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) 
    at org.apache.catalina.core.StandardService.start(StandardService.java:525) 
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) 
    at org.apache.catalina.startup.Catalina.start(Catalina.java:595) 
    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.catalina.startup.Bootstrap.start(Bootstrap.java:289) 
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) 
Caused by: org.apache.cxf.service.factory.ServiceConstructionException 
    at org.apache.cxf.jaxrs.JAXRSServerFactoryBean.create(JAXRSServerFactoryBean.java:201) 
    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:1546) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1487) 
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1419) 
    ... 38 more 
Caused by: java.lang.NullPointerException 
    at org.apache.cxf.ws.discovery.listeners.WSDiscoveryServerListener.startServer(WSDiscoveryServerListener.java:64) 
    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) 
    ... 45 more 
Dec 12, 2012 2:56:00 PM org.apache.catalina.core.StandardContext loadOnStartup 
SEVERE: Servlet /samplews threw load() exception 

CXF-servlet.xml中

<beans 
    xmlns="http://www.springframework.org/schema/beans" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xmlns:beans='http://www.springframework.org/schema/beans' 
xmlns:jaxrs="http://cxf.apache.org/jaxrs" 
xmlns:context="http://www.springframework.org/schema/context" 
xsi:schemaLocation=" 
http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-2.5.xsd 
http://cxf.apache.org/jaxrs 
http://cxf.apache.org/schemas/jaxrs.xsd 
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context.xsd"> 

    <jaxrs:server id="restContainer" address="/" > 
      <jaxrs:serviceBeans> 
     <ref bean="webServiceImpl" /> 
    </jaxrs:serviceBeans> 

     </jaxrs:server> 

    <bean id="webServiceImpl" class="com.sample.services.rest.WebServiceImpl" /> 
    <bean id="jaxbProvider" class="org.apache.cxf.jaxrs.provider.JAXBElementProvider"/> 


</beans> 

Answer 1

如果它工作在發展很好，我會關注使用JDK，春天的同一版本，CXF和Tomcat開發。在Tomcat上使用的環境首先在dev中複製問題。您不應該在生產中執行調試。

我最近也得到了相同的NullPointerException，問題是上述四件事之間的版本不匹配。小心他們。