A http 500 error

[Vernon <ve...@gatewaytech.com>]

I run into the following error with Tomcat 4.1.24 on RedHat Linux 8.0. I 
wonder anyone in this mailing list have encountered the same error or not. 
The size of the translated JSP file (Java file) is zero. Only thing I can 
recognize from the error stack is the "region" which is a custom tag in the 
page. This error doesn't occur on Window 2000, however. I don't see any 
difference between the two installations other than the platform 
difference. This is a fatal error to the application since none of pages is 
accessible. Can someone point me to a right direction to resolve this 
error.

Thanks,

Vernon


The following is the error message stack:

 HTTP Status 500 -

---------------------------------------------------------------------------- 
----

type Exception report

message

description The server encountered an internal error () that prevented it 
from fulfilling this request.

exception

org.apache.jasper.JasperException: jsp.error.tlv.invalid.pagenull: 
org.xml.sax.SAXParseException: Attribute "xmlns:region" was already 
specified for element "jsp:root".
	at 
org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:105)
	at 
org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:430)
	at 
org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:112)
	at 
org.apache.jasper.compiler.Validator.validateXmlView(Validator.java:661)
	at org.apache.jasper.compiler.Validator.validate(Validator.java:613)
	at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:230)
	at org.apache.jasper.compiler.Compiler.compile(Compiler.java:369)
	at 
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:473)
	at 
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:190)
	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(ApplicationFilterChain.java:247)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at 
com.company1.mm.web.filters.AccessFilter.doFilter(BannedAccessFilter.java:55)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
	at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
	at com.company1.signon.web.SignOnFilter.doFilter(SignOnFilter.java:140)
	at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:213)
	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$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(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:2415)
	at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
	at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
	at 
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
	at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
	at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(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.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:261)
	at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:360)
	at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:604)
	at 
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:562)
	at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:679)
	at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
	at java.lang.Thread.run(Thread.java:536)


-- 
Regards,

Vernon

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