Hello, please help with a bug (?) or mistake (?)

What is a likely reason for
  javax.servlet.ServletException: Servlet execution threw an exception
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
and what would remedy this?

The exception reproduces well, occurs about 4 times during 10000 POSTs from
one HTTP client to one servlet, all with different arguments.
I reviewed http://nagoya.apache.org/bugzilla/show_bug.cgi?id=9715
related to static pages and caching, but I believe this is different.

Observed on Tomcat4.0.3 on JDK 1.4.0-rc Linux Kernel 2.4.5. with 512MB
and CATALINA_OPTS=-Xms256M -Xmx256M -Xss64M.

Thanks for any suggestion!
Oskar

--
2002-09-10 10:01:33 StandardWrapperValve[myservlet]: Servlet.service() for servlet 
myservlet threw exception
javax.servlet.ServletException: Servlet execution threw an exception
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:368)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at 
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
        at 
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1012)
        at 
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107)
        at java.lang.Thread.run(Thread.java:536)
----- Root Cause -----
java.lang.StackOverflowError

--
Dr. Oskar Bartenstein  IF Computer Japan  [EMAIL PROTECTED]
http://www.ifcomputer.co.jp/MINERVA       high end ISO-Prolog in 100% Java


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