Following exact Stacktrace is returned: java.lang.NullPointerException at java.io.File.(File.java(Compiled Code)) at org.apache.naming.resources.FileDirContext.file(FileDirContext.java(Compiled Code)) at org.apache.naming.resources.FileDirContext.getAttributes(FileDirContext. java(Compiled Code)) at org.apache.naming.resources.BaseDirContext.getAttributes(BaseDirContext. java(Compiled Code)) at org.apache.naming.resources.ProxyDirContext.cacheLoad(ProxyDirContext.java: 1491) at org.apache.naming.resources.ProxyDirContext.cacheLookup(ProxyDirContext. java(Compiled Code)) at org.apache.naming.resources.ProxyDirContext.lookup(ProxyDirContext.java:300) at org.apache.catalina.servlets.DefaultServlet$ResourceInfo.set(DefaultServlet. java:2267) at org.apache.catalina.servlets.DefaultServlet$ResourceInfo.(DefaultServlet. java:2219) at org.apache.catalina.servlets.DefaultServlet.serveResource(DefaultServlet. java:921) at org.apache.catalina.servlets.DefaultServlet.doGet(DefaultServlet.java:506) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at org.apache.catalina.core.ApplicationFilterChain. internalDoFilter(ApplicationFilterChain.java:247) at org.apache.catalina.core.ApplicationFilterChain. doFilter(ApplicationFilterChain.java:193) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve. java:256) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java(Compiled Code)) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java(Compiled Code)) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve. java:191) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java: 246) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java(Compiled Code)) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java(Compiled Code)) at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve. java:171) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:509) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java(Compiled Code)) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java(Compiled Code)) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java: 174) at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext. invokeNext(StandardPipeline.java(Compiled Code)) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline. java(Compiled Code)) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java(Compiled Code)) at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler. processConnection(Http11Protocol.java:392) at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint. java(Compiled Code)) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool. java:619) at java.lang.Thread.run(Thread.java:566) I think the URL comes from an IIS exploid.
Trying this in the latest TC4 code from CVS just returns a 404 and no exception appears in the logs.