2018-3-1 9:58:22 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2018-3-1 9:58:22 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2018-3-1 9:58:22 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: attributeAdded(‘org.apache.jasper.compiler.TldLocationsCache’, ‘org.apache.jasper.compiler.TldLocationsCache@15e2ccd’)
2018-3-1 9:58:25 org.apache.catalina.core.ApplicationContext log
信息: No Spring WebApplicationInitializer types detected on classpath
2018-3-1 9:58:25 org.apache.catalina.core.StandardContext listenerStart
严重: Error configuring application listener of class org.apache.catalina.deploy.ApplicationListener@1185844
java.lang.UnsupportedClassVersionError: cn/edu/imau/grass/dbbackup/timertask/MyTimerTask : Unsupported major.minor version 51.0 (unable to load class cn.edu.imau.grass.dbbackup.timertask.MyTimerTask)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2899)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)
at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)
at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1113)
at org.apache.catalina.startup.HostConfig DeployDirectory.run(HostConfig.java:1671)atjava.util.concurrent.Executors RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask Sync.innerRun(FutureTask.java:303)atjava.util.concurrent.FutureTask.run(FutureTask.java:138)atjava.util.concurrent.ThreadPoolExecutor Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor Worker.run(ThreadPoolExecutor.java:908)atjava.lang.Thread.run(Thread.java:619)2018−3−19:58:25org.apache.catalina.core.StandardContextlistenerStart严重:Skippedinstallingapplicationlistenersduetopreviouserror(s)2018−3−110:13:50org.apache.catalina.core.ApplicationContextlog信息:ContextListener:contextInitialized()2018−3−110:13:50org.apache.catalina.core.ApplicationContextlog信息:SessionListener:contextInitialized()2018−3−110:13:50org.apache.catalina.core.ApplicationContextlog信息:ContextListener:attributeAdded(‘org.apache.jasper.compiler.TldLocationsCache′,‘org.apache.jasper.compiler.TldLocationsCache@15e2ccd′)2018−3−110:13:54org.apache.catalina.core.ApplicationContextlog信息:NoSpringWebApplicationInitializertypesdetectedonclasspath2018−3−110:13:54org.apache.catalina.core.StandardContextlistenerStart严重:Errorconfiguringapplicationlistenerofclassorg.apache.catalina.deploy.ApplicationListener@16cbd97java.lang.UnsupportedClassVersionError:cn/edu/imau/grass/dbbackup/timertask/MyTimerTask:Unsupportedmajor.minorversion51.0(unabletoloadclasscn.edu.imau.grass.dbbackup.timertask.MyTimerTask)atorg.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2899)atorg.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1173)atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1681)atorg.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)atorg.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)atorg.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)atorg.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)atorg.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)atorg.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)atorg.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)atorg.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)atorg.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)atorg.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)atorg.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1113)atorg.apache.catalina.startup.HostConfig DeployDirectory.run(HostConfig.java:1671)
at java.util.concurrent.Executors RunnableAdapter.call(Executors.java:441)atjava.util.concurrent.FutureTask Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor Worker.runTask(ThreadPoolExecutor.java:886)atjava.util.concurrent.ThreadPoolExecutor Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
2018-3-1 10:13:54 org.apache.catalina.core.StandardContext listenerStart
严重: Skipped installing application listeners due to previous error(s)
Unsupported major.minor version 51.0 (unable to load class,,,,是指当前的tomcat版本和系统环境中的jdk版本不匹配,升级一下JDK版本就好了,记得环境变量也要更新