go ahead check ur xml files...  if there is any problem in xml files u
will get this sort of org.apache.jasper.JasperException...

like, u would have missed some tags or context path etc..

Kannan





On Fri, 9 Jul 2004 08:15:22 +0100, Peter Guyatt
<[EMAIL PROTECTED]> wrote:
> Hi There,
> 
>        Has anyone come across this problem. All Iam am doing is starting tomcat
> and then attempting to use my web app.
> 
> The exception I am getting is as follows:
> 
> Exception report
> 
> message
> 
> description The server encountered an internal error () that prevented it
> from fulfilling this request.
> 
> exception
> 
> org.apache.jasper.JasperException: Error allocating a servlet instance
>        at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
> 54)
>        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>        at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
> FilterChain.java:247)
>        at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
> ain.java:193)
>        at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
> va:256)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
> va:191)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2416)
>        at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
> )
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
> java:171)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
>        at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
> )
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
> :174)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
>        at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:601)
>        at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
> ction(Http11Protocol.java:392)
>        at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
>        at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
> a:619)
>        at java.lang.Thread.run(Thread.java:534)
> 
> root cause
> 
> javax.servlet.ServletException: Error allocating a servlet instance
>        at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:672)
>        at
> org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.
> java:653)
>        at
> org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatch
> er.java:432)
>        at
> org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher
> .java:356)
>        at
> org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:430)
>        at org.apache.jsp.index_jsp._jspService(index_jsp.java:42)
>        at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>        at
> org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:2
> 10)
>        at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
>        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
>        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>        at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Application
> FilterChain.java:247)
>        at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh
> ain.java:193)
>        at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.ja
> va:256)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.ja
> va:191)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2416)
>        at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180
> )
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.
> java:171)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
>        at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172
> )
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:641)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java
> :174)
>        at
> org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
> eNext(StandardPipeline.java:643)
>        at
> org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
>        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
>        at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
>        at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:601)
>        at
> org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConne
> ction(Http11Protocol.java:392)
>        at
> org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
>        at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.jav
> a:619)
>        at java.lang.Thread.run(Thread.java:534)
> 
> The version of tomcat I am using is 4.1.27, another thing to not is that the
> web application works fine using 1.4.2_04, has Sun made yet another release
> error ?
> 
> Any help would be greatly appreciated.
> 
> Thanks
> 
> Pete
> 
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