求助 eclipse开发web中遇到的问题
大家知道这个错误的原因吗?谢啦严重: End event threw exception
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.commons.beanutils.MethodUtils.invokeMethod(MethodUtils.java:252)
at org.apache.commons.digester.SetNextRule.end(SetNextRule.java:256)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
at org.apache.catalina.util.CatalinaDigester.endElement(CatalinaDigester.java:123)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanEndElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.DTDConfiguration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1567)
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:512)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:890)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:523)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:468)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:393)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:816)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1125)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:518)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2343)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
Caused by: java.lang.NoClassDefFoundError: javax/servlet/http/HttpServlet
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1279)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1213)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1653)
at org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:883)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1333)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1213)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:979)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:887)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3948)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:866)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:850)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
at org.apache.catalina.core.StandardHostDeployer.addChild(StandardHostDeployer.java:832)
... 38 more
2007-1-18 15:21:07 org.apache.catalina.startup.HostConfig deployDescriptors
严重: Error deploying configuration descriptor admin.xml
java.io.IOException: java.lang.reflect.InvocationTargetException
at org.apache.catalina.core.StandardHostDeployer.install(StandardHostDeployer.java:518)
at org.apache.catalina.core.StandardHost.install(StandardHost.java:890)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:523)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:468)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1002)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:393)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:166)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1133)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:816)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1125)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:518)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2343)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:297)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:398)
[解决办法]
应该是连接上的问题吧,我也遇见过,不过就是在配置文件改改就好了