在eclipse下，启动tomcat会出现这样的错误
这样的错误：
严重:   Error   starting   static   Resources
java.lang.IllegalArgumentException:   Document   base   D:\j2ee\project\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\WNIS   does   not   exist   or   is   not   a   readable   directory
at   org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:138)
at   org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:3910)
at   org.apache.catalina.core.StandardContext.start(StandardContext.java:4138)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at   org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at   org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at   org.apache.catalina.core.StandardService.start(StandardService.java:480)
at   org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at   org.apache.catalina.startup.Catalina.start(Catalina.java:556)
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:284)
at   org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:422)
2007-9-20   21:59:03   org.apache.catalina.core.StandardContext   start
严重:   Error   in   resourceStart()
2007-9-20   21:59:03   org.apache.catalina.core.StandardContext   start
严重:   Error   getConfigured
2007-9-20   21:59:03   org.apache.catalina.core.StandardContext   start
严重:   Context   startup   failed   due   to   previous   errors
2007-9-20   21:59:03   org.apache.catalina.core.StandardContext   start
严重:   Exception   during   cleanup   after   start   failed
LifecycleException:     Container   StandardContext[/WNIS]   has   not   been   started
at   org.apache.catalina.core.StandardContext.stop(StandardContext.java:4466)
at   org.apache.catalina.core.StandardContext.start(StandardContext.java:4371)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at   org.apache.catalina.core.StandardHost.start(StandardHost.java:789)
at   org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1083)
at   org.apache.catalina.core.StandardEngine.start(StandardEngine.java:478)
at   org.apache.catalina.core.StandardService.start(StandardService.java:480)
at   org.apache.catalina.core.StandardServer.start(StandardServer.java:2313)
at   org.apache.catalina.startup.Catalina.start(Catalina.java:556)
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:284)
at   org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:422)