CharConversionException: isHexDigit

[Joel Carklin <jo...@innoforge.com>]

hi everyone,

i was wondering if anyone else has come across the following exception
being thrown. i don't know what causes it and it doesn't seem to affect
the web applications I'm running but I'm a bit concerned about it. It
appears now and then, not very frequently, but often enough, in my
catalina.out log file. Usually when I'm not around (like in the middle
of the night!) 

Thanks for any help

I'm using Tomcat 4.1.24 and the exception is:

java.io.CharConversionException: isHexDigit
at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:124)
at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:87)
org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:407) org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:495) org.apache.tomcat.util.http.Parameters.handleQueryParameters(Parameters.java:278) org.apache.coyote.tomcat4.CoyoteRequest.parseRequestParameters(CoyoteRequest.java:1933) org.apache.coyote.tomcat4.CoyoteRequest.getParameterNames(CoyoteRequest.java:953) org.apache.coyote.tomcat4.CoyoteRequest.getParameterMap(CoyoteRequest.java:933) org.apache.coyote.tomcat4.CoyoteRequestFacade.getParameterMap(CoyoteRequestFacade.java:193) org.apache.catalina.core.ApplicationHttpRequest.setRequest(ApplicationHttpRequest.java:525) org.apache.catalina.core.ApplicationHttpRequest.<init>(ApplicationHttpRequest.java:125) org.apache.catalina.core.ApplicationDispatcher.wrapRequest(ApplicationDispatcher.java:921) org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:414) org.apache.catalina.core.ApplicationDispatcher.fo!
rward(ApplicationDispatcher.java:356) org.apache.catalina.valves.ErrorDispatcherValve.custom(ErrorDispatcherValve.java:420) org.apache.catalina.valves.ErrorDispatcherValve.status(ErrorDispatcherValve.java:327) org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:181) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)   
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:594)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:392)
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:565)
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:536)



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