Tomcat下部署Jenkins无法打开（404）的解决办法

Tomcat下部署Jenkins无法打开（404）的解决办法Tomcat下部署Jenkins，发现localhost:8080/可以打的开，说明Tomcat正常但是localhost:8080/jenkins却无法正常出现jenkins界面，一直都是404参考百度上的排错发现都不行，一下是我得错误信息，大家可以参考是不是。简单来说，Tomcat版本不对，如果你是10+的版本，就会出现这个问题1.解

努力的小学弟

9030人浏览 · 2021-12-22 16:54:54

努力的小学弟 · 2021-12-22 16:54:54 发布

Tomcat下部署Jenkins无法打开（404）的解决办法

Tomcat下部署Jenkins，发现localhost:8080/可以打的开，说明Tomcat正常
但是localhost:8080/jenkins却无法正常出现jenkins界面，一直都是404

参考百度上的排错发现都不行，一下是我得错误信息，大家可以参考是不是。
简单来说，Tomcat版本不对，如果你是10+的版本，就会出现这个问题
1.解决方法，我把原来的卸载了，出现下了一个Tomcat 9的，记得修改环境变量，最下方是正常的。

20-Oct-2021 20:46:17.801 信息 [Thread-3] org.apache.catalina.core.ApplicationContext.log SessionListener: contextDestroyed()
20-Oct-2021 20:46:17.801 信息 [Thread-3] org.apache.catalina.core.ApplicationContext.log ContextListener: contextDestroyed()
20-Oct-2021 20:46:31.584 严重 [main] org.apache.catalina.core.StandardContext.listenerStart 配置应用程序监听器[jenkins.util.SystemProperties$Listener]错误
	java.lang.NoClassDefFoundError: javax/servlet/ServletContextListener
		at java.base/java.lang.ClassLoader.defineClass1(Native Method)
		at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
		at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2516)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:872)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1408)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:539)
		at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:520)
		at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:150)
		at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4640)
		at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5179)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:747)
		at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1027)
		at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2001)
		at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
		at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:828)
		at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:478)
		at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1708)
		at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:320)
		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
		at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
		at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
		at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:886)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
		at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.startup.Catalina.start(Catalina.java:795)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
		at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.base/java.lang.reflect.Method.invoke(Method.java:566)
		at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
		at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
	Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContextListener
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1444)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		... 51 more
20-Oct-2021 20:46:31.586 严重 [main] org.apache.catalina.core.StandardContext.listenerStart 配置应用程序监听器[hudson.WebAppMain]错误
	java.lang.NoClassDefFoundError: javax/servlet/ServletContextListener
		at java.base/java.lang.ClassLoader.defineClass1(Native Method)
		at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
		at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2516)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:872)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1408)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:539)
		at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:520)
		at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:150)
		at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4640)
		at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5179)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:747)
		at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1027)
		at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2001)
		at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
		at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:828)
		at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:478)
		at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1708)
		at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:320)
		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
		at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
		at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
		at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:886)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
		at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.startup.Catalina.start(Catalina.java:795)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
		at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.base/java.lang.reflect.Method.invoke(Method.java:566)
		at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
		at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
	Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletContextListener
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1444)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		... 51 more
20-Oct-2021 20:46:31.588 严重 [main] org.apache.catalina.core.StandardContext.listenerStart 配置应用程序监听器[jenkins.JenkinsHttpSessionListener]错误
	java.lang.NoClassDefFoundError: javax/servlet/http/HttpSessionListener
		at java.base/java.lang.ClassLoader.defineClass1(Native Method)
		at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016)
		at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2516)
		at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:872)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1408)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:539)
		at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:520)
		at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:150)
		at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4640)
		at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5179)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:747)
		at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:1027)
		at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:2001)
		at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
		at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:828)
		at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:478)
		at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1708)
		at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:320)
		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
		at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
		at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
		at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:886)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
		at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
		at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
		at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
		at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
		at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
		at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		at org.apache.catalina.startup.Catalina.start(Catalina.java:795)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
		at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
		at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.base/java.lang.reflect.Method.invoke(Method.java:566)
		at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
		at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
	Caused by: java.lang.ClassNotFoundException: javax.servlet.http.HttpSessionListener
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1444)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1252)
		... 51 more
20-Oct-2021 20:46:31.588 严重 [main] org.apache.catalina.core.StandardContext.listenerStart 由于以前的错误，已跳过安装应用程序侦听器
20-Oct-2021 20:46:32.013 信息 [main] org.apache.catalina.core.ApplicationContext.log ContextListener: contextInitialized()
20-Oct-2021 20:46:32.013 信息 [main] org.apache.catalina.core.ApplicationContext.log SessionListener: contextInitialized()