严重: End event threw exception
java.lang.IllegalArgumentException: Can't convert argument: null
  at org.apache.tomcat.util.IntrospectionUtils.convert(IntrospectionUtils.java:976)
  at org.apache.tomcat.util.digester.CallMethodRule.end(CallMethodRule.java:523)
  at org.apache.tomcat.util.digester.Rule.end(Rule.java:229)
  at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1058)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:633)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1241)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1685)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
  at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
  at org.apache.catalina.startup.ContextConfig.applicationWebConfig(ContextConfig.java:369)
  at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1062)
  at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
  at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
  at org.apache.catalina.core.StandardContext.start(StandardContext.java:4239)
  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
  at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
  at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
  at org.apache.catalina.core.StandardService.start(StandardService.java:516)
  at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
  at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:585)
  at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2009-12-15 21:21:11 org.apache.catalina.startup.ContextConfig applicationWebConfig
严重: Parse error in application web.xml file at jndi:/localhost/news/WEB-INF/web.xml
java.lang.IllegalArgumentException: Can't convert argument: null
  at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2726)
  at org.apache.tomcat.util.digester.Digester.createSAXException(Digester.java:2752)
  at org.apache.tomcat.util.digester.Digester.endElement(Digester.java:1061)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.endElement(AbstractSAXParser.java:633)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanEndElement(XMLDocumentFragmentScannerImpl.java:1241)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1685)
  at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
  at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
  at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
  at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
  at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1562)
  at org.apache.catalina.startup.ContextConfig.applicationWebConfig(ContextConfig.java:369)
  at org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1062)
  at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:261)
  at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
  at org.apache.catalina.core.StandardContext.start(StandardContext.java:4239)
  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
  at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
  at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
  at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
  at org.apache.catalina.core.StandardService.start(StandardService.java:516)
  at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
  at org.apache.catalina.startup.Catalina.start(Catalina.java:566)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:585)
  at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
2009-12-15 21:21:11 org.apache.catalina.startup.ContextConfig applicationWebConfig
严重: Occurred at line 10 column 18
 
 
这是我在eclipse 环境下,将一个web工程的名字修改了,出现的问题。以前是正常的。
这是为什么呢?
 
1.我clean了工程了,问题依然存在。
2.我重新部署工程了,问题依然存在。
3.报web.xml 文件错误,很奇怪。为什么?