Server Tomcat v7.0 Server at localhost failed to start. 这个是什么问题呢，求大神解

[石石石石]

Server Tomcat v7.0 Server at localhost failed to start. 这个是什么问题呢

[石石石石]

java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/Test97]] at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1122) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564) 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: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/Test97]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) ... 6 more Caused by: java.lang.IllegalArgumentException: The servlets named [Servlet.IndexServlet] and [Servlet.serverTimesServlet] are both mapped to the url-pattern [/ehr] which is not permitted at org.apache.catalina.deploy.WebXml.addServletMapping(WebXml.java:293) at org.apache.catalina.startup.ContextConfig.processAnnotationWebServlet(ContextConfig.java:2428) at org.apache.catalina.startup.ContextConfig.processAnnotationsStream(ContextConfig.java:2103) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2064) at org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:2057) 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:5405) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 6 more 11 13, 2015 3:56:21 午後 org.apache.catalina.core.ContainerBase startInternal 重大: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]] at java.util.concurrent.FutureTask.report(Unknown Source) at java.util.concurrent.FutureTask.get(Unknown Source) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1122) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.startup.Catalina.start(Catalina.java:689) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1574) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1564) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1130) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:819) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 6 more 11 13, 2015 3:56:21 午後 org.apache.catalina.startup.Catalina start 重大: The required Server component failed to start so Tomcat is unable to start. org.apache.catalina.LifecycleException: Failed to start component [StandardServer[8005]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.startup.Catalina.start(Catalina.java:689) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:428) Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardService[Catalina]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:739) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 7 more Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina]] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:443) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 9 more Caused by: org.apache.catalina.LifecycleException: A child container failed during start at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:1130) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:300) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 11 more

[石石石石]

<?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>Test97</display-name> <servlet> <servlet-name>serverTimesServlet</servlet-name> <servlet-class>Servlet.serverTimesServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>serverTimesServlet</servlet-name> <url-pattern>/sts</url-pattern> </servlet-mapping> <servlet> <servlet-name>IndexServlet</servlet-name> <servlet-class>servlet.IndexServlet</servlet-class> <init-param> <param-name>abc</param-name> <param-value>123456</param-value> </init-param> <init-param> <param-name>filename</param-name> <param-value>123456</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>IndexServlet</servlet-name> <url-pattern>/is</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> </web-app>

[石石石石]

package Servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * Servlet implementation class IndexServlwt */ @WebServlet("/ehr") public class IndexServlet extends HttpServlet { private int times=0; public IndexServlet(){ System.out.println("IndexServlet.IndexServlet()"); } public void init()throws ServletException{ String s =this.getInitParameter("abc"); this.times=Integer.parseInt(s); System.out.println("IindexServlet.init()"); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String html="<h2>"+this.times+"</h2>"; PrintWriter out=response.getWriter(); out.write(html); this.times++; } }

[海会圣贤]

Caused by: java.lang.IllegalArgumentException: The servlets named [Servlet.IndexServlet] and [Servlet.serverTimesServlet] are both mapped to the url-pattern [/ehr] which is not permitted 楼主应该自己能看懂了吧

[piaopiao11]

IndexServlet 用注解配置了一次，然后web.xml又配置了一次，重复了，删掉一个就可以了。

[梁志伟2]

配置问题，看仔细一点就看的到！