web.xml配置的问题

Z时代
2024-01-10
分类：技术分享

程序运行出错
图片描述
web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>seventh</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>
  </welcome-file-list>
  <servlet>
      <description></description>
      <display-name>RegisterAction</display-name>
      <servlet-name>RegisterAction</servlet-name>
      <servlet-class>com.henu.service.RegisterAction</servlet-class>
  </servlet>
  <servlet-mapping>
      <servlet-name>RegisterAction</servlet-name>
      <url-pattern>/RegisterAction</url-pattern>     
  </servlet-mapping>
</web-app>

console：

四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Server version: Apache Tomcat/7.0.68 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Server built: Feb 8 2016 20:25:54 UTC 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Server number: 7.0.68.0 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: OS Name: Windows 7 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: OS Version: 6.1 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Architecture: amd64 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Java Home: C:\Program Files\Java\jre1.8.0_66 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: JVM Version: 1.8.0_66-b18 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: JVM Vendor: Oracle Corporation 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: CATALINA_BASE: C:\tomcat\apache-tomcat-7.0.68 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: CATALINA_HOME: C:\tomcat\apache-tomcat-7.0.68 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Command line argument: -Dcatalina.base=C:\tomcat\apache-tomcat-7.0.68 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Command line argument: -Dcatalina.home=C:\tomcat\apache-tomcat-7.0.68 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Command line argument: -Dwtp.deploy=C:\tomcat\apache-tomcat-7.0.68\wtpwebapps 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Command line argument: -Djava.endorsed.dirs=C:\tomcat\apache-tomcat-7.0.68\endorsed 四月 25, 2016 6:51:49 下午 org.apache.catalina.startup.VersionLoggerListener log 信息: Command line argument: -Dfile.encoding=UTF-8 四月 25, 2016 6:51:49 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent 信息: Loaded APR based Apache Tomcat Native library 1.1.33 using APR version 1.5.1. 四月 25, 2016 6:51:49 下午 org.apache.catalina.core.AprLifecycleListener lifecycleEvent 信息: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true]. 四月 25, 2016 6:51:50 下午 org.apache.catalina.core.AprLifecycleListener initializeSSL 信息: OpenSSL successfully initialized (OpenSSL 1.0.1m 19 Mar 2015) 四月 25, 2016 6:51:50 下午 org.apache.coyote.AbstractProtocol init 信息: Initializing ProtocolHandler ["http-apr-8080"] 四月 25, 2016 6:51:50 下午 org.apache.coyote.AbstractProtocol init 信息: Initializing ProtocolHandler ["ajp-apr-8009"] 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.Catalina load 信息: Initialization processed in 1518 ms 四月 25, 2016 6:51:50 下午 org.apache.catalina.core.StandardService startInternal 信息: Starting service Catalina 四月 25, 2016 6:51:50 下午 org.apache.catalina.core.StandardEngine startInternal 信息: Starting Servlet Engine: Apache Tomcat/7.0.68 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.HostConfig deployDescriptor 信息: Deploying configuration descriptor C:\tomcat\apache-tomcat-7.0.68\conf\Catalina\localhost\seventh.xml 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.SetContextPropertiesRule begin 警告: [SetContextPropertiesRule]{Context} Setting property 'source' to 'org.eclipse.jst.jee.server:seventh' did not find a matching property. 四月 25, 2016 6:51:50 下午 org.apache.catalina.core.ContainerBase addChildInternal 严重: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/seventh]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:677) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1962) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.IllegalArgumentException: The servlets named [RegisterAction] and [com.henu.service.RegisterAction] are both mapped to the url-pattern [/RegisterAction] which is not permitted at org.apache.catalina.deploy.WebXml.addServletMapping(WebXml.java:293) at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2462) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2137) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2098) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2090) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2090) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2090) at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1304) at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:889) at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:386) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5472) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147) ... 10 more 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.HostConfig deployDescriptor 严重: Error deploying configuration descriptor C:\tomcat\apache-tomcat-7.0.68\conf\Catalina\localhost\seventh.xml java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/seventh]] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:903) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:677) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1962) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.HostConfig deployDescriptor 信息: Deployment of configuration descriptor C:\tomcat\apache-tomcat-7.0.68\conf\Catalina\localhost\seventh.xml has finished in 301 ms 四月 25, 2016 6:51:50 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\docs 四月 25, 2016 6:51:51 下午 org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom 信息: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [184] milliseconds. 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\docs has finished in 397 ms 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\examples 四月 25, 2016 6:51:51 下午 org.apache.catalina.core.ApplicationContext log 信息: ContextListener: contextInitialized() 四月 25, 2016 6:51:51 下午 org.apache.catalina.core.ApplicationContext log 信息: SessionListener: contextInitialized() 四月 25, 2016 6:51:51 下午 org.apache.catalina.core.ApplicationContext log 信息: ContextListener: attributeAdded('org.apache.jasper.compiler.TldLocationsCache', 'org.apache.jasper.compiler.TldLocationsCache@3e38d94f') 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\examples has finished in 384 ms 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\host-manager 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\host-manager has finished in 76 ms 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\manager 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\manager has finished in 102 ms 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deploying web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\ROOT 四月 25, 2016 6:51:51 下午 org.apache.catalina.startup.HostConfig deployDirectory 信息: Deployment of web application directory C:\tomcat\apache-tomcat-7.0.68\webapps\ROOT has finished in 62 ms 四月 25, 2016 6:51:51 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["http-apr-8080"] 四月 25, 2016 6:51:52 下午 org.apache.coyote.AbstractProtocol start 信息: Starting ProtocolHandler ["ajp-apr-8009"] 四月 25, 2016 6:51:52 下午 org.apache.catalina.startup.Catalina start 信息: Server startup in 1404 ms

回答：

你这个web.xml是全部的吗，错误其实已经打出来了，The servlets named [RegisterAction] and [com.henu.service.RegisterAction] are both mapped to the url-pattern [/RegisterAction] which is not permitted。如果web.xml中没有多个servlet匹配同一个url-pattern，那么就有可能在RegisterAction中使用了注解。你可以看一下。