- tomcat版本原因，我用的tomcat10，最后换成9就可以正常访问jenkins
版本信息：tomcat版本：apache-tomcat-10.0.12 java版本：jdk11
将jenkins.war放入webapps下，启动tomcat访问失败，提示404，查看logs/localhost.2021-10-20.log发现报错：
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()
20-Oct-2021 20:46:32.014 信息 [main] org.apache.catalina.core.ApplicationContext.log ContextListener: attributeAdded('StockTicker', 'async.Stockticker@20797dcc')
提示错误：
`严重 [main] org.apache.catalina.core.StandardContext.listenerStart 配置应用程序监听器[jenkins.util.SystemProperties$Listener]错误
严重 [main] org.apache.catalina.core.StandardContext.listenerStart 配置应用程序监听器[hudson.WebAppMain]错误
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
原因：
tomcat版本原因，我用的tomcat10，最后换成9就可以正常访问jenkins
