javax.naming.NamingException: Cannot create resource instance

来源：互联网发布：皮肤软件编辑：程序博客网时间：2024/05/29 19:33

在配置软件启动执行某段代码时（采用servlet方式），报了javax.naming.NamingException: Cannot create resource instance异常

javax.naming.NamingException: Cannot create resource instance
at org.apache.naming.factory.ResourceEnvFactory.getObjectInstance(ResourceEnvFactory.java:117)
at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
at org.apache.catalina.core.DefaultInstanceManager.lookupMethodResource(DefaultInstanceManager.java:625)
at org.apache.catalina.core.DefaultInstanceManager.processAnnotations(DefaultInstanceManager.java:471)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:162)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:143)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1144)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1120)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1678)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)

因为少用了个代理器，加上代理器就好了。代理器如下：
Xml文件

<servlet>    <description></description>    <display-name>ServiceInfoServlet</display-name>    <servlet-name>serviceInfoServlet</servlet-name> 这里的名跟servlet类中的注解名一样    <servlet-class>com.xcfh.invoice.controller.ServiceInfoServletProxy</servlet-class>    <load-on-startup>2</load-on-startup>  </servlet>

代理类：

public class ServiceInfoServletProxy extends GenericServlet{private String targetBean;private Servlet proxy;@Overridepublic void init() throws ServletException {// TODO Auto-generated method stubthis.targetBean = getServletName();getServletBean();proxy.init(getServletConfig());}@Overridepublic void service(ServletRequest req, ServletResponse res)throws ServletException, IOException {// TODO Auto-generated method stubproxy.service(req, res);}private void getServletBean(){WebApplicationContext wac = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext());this.proxy = (Servlet) wac.getBean(targetBean);}}

Servlet类

@Component("serviceInfoServlet")public class ServiceInfoServlet extends HttpServlet{private ServiceInfoSerivce serviceInfoService;public ServiceInfoSerivce getServiceInfoService() {return serviceInfoService;}@ Resource(name = "ServiceInfoSerivce")public void setServiceInfoService(ServiceInfoSerivce serviceInfoService) {this.serviceInfoService = serviceInfoService;}@Overridepublic void init() throws ServletException {// TODO Auto-generated method stubsuper.init();serviceInfoService.loadServiceInfo();}}

按照以上配置，正常启动

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