tomcat 启动报错?

我的tomcat启动报错,情况是这样的:

环境:

  • 系统:windows10

  • java:java8

  • tomcat: tomcat-8.0.28

如果不做任何修改,tomcat启动正常,各个项目运行正常。
为了编译方便(没有用IDE开发),我把从http://www.java2s.com/Code/Jar/j/Downloadjavaxservlet31jar.htm上下载的servlet-3.1.jar放到了%JAVA_HOME%\jre\lib\ext目录下
编译倒是省事了,但启动tomcat就出错了,每个项目的报错都一样

06-Dec-2015 17:38:43.004 SEVERE [localhost-startStop-1] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:

 org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/docs]]

        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)

        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)

        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)

        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)

    ... 10 more


06-Dec-2015 17:38:43.018 SEVERE [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Error deploying web application directory D:\tomcat\apache-tomcat-8.0.28\webapps\docs

 java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/docs]]

        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:729)

        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)

        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)

        at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1101)

        at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1816)06-Dec-2015 17:38:43.031 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory D:\tomcat\apache-tomcat-8.0.28\webapps\docs has finished in 488 ms


慕虎7371278
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2回答

慕婉清6462132

可能是你下的servlet和tomcat使用的不兼容。为什么不用tomcat自带的呢?

蓝山帝景

Caused by: java.lang.NoSuchMethodError: javax.servlet.ServletContext.getVirtualServerName()Ljava/lang/String;估计jar包冲突了
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