项目报错java.lang.NoClassDefFoundError: HttpServletRequest

落日映苍穹つ 2021-07-09 05:30 478阅读 0赞

**缺少**servlet-api.jar**jar包**

**jar包下载地址：http://download.csdn.net/download/qq\_34178998/10016921**

严重: ContainerBase.addChild: start:  
org.apache.catalina.LifecycleException: Failed to start component \[StandardEngine\[Catalina\].StandardHost\[localhost\].StandardContext\[/MyJobNet\]\]  
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154)  
    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:652)  
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1263)  
    at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1978)  
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)  
    at java.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)  
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)  
    at java.lang.Thread.run(Thread.java:619)  
Caused by: java.lang.NoClassDefFoundError: HttpServletRequest  
    at java.lang.Class.getDeclaredMethods0(Native Method)  
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)  
    at java.lang.Class.getDeclaredMethods(Class.java:1791)  
    at org.apache.catalina.util.Introspection.getDeclaredMethods(Introspection.java:127)  
    at org.apache.catalina.startup.WebAnnotationSet.loadMethodsAnnotation(WebAnnotationSet.java:287)  
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationServletAnnotations(WebAnnotationSet.java:140)  
    at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:65)  
    at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:415)  
    at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:892)  
    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)  
    ... 11 more  
Caused by: java.lang.ClassNotFoundException: HttpServletRequest  
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1854)  
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1703)  
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)  
    ... 25 more  
2017-10-11 23:02:35 org.apache.catalina.startup.HostConfig deployDirectory  
严重: Error deploying web application directory C:\\apache-tomcat-7.0.65\\webapps\\MyJobNet  
java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component \[StandardEngine\[Catalina\].StandardHost\[localhost\].StandardContext\[/MyJobNet\]\]  
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:905)  
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)  
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652)  
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1263)  
    at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1978)  
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)  
    at java.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)  
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)  
    at java.lang.Thread.run(Thread.java:619)