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From peterjca <>
Subject Re: Tomcat appears to be sending duplicate requests
Date Fri, 08 Jul 2011 10:07:31 GMT

Yes, I do mean duplicate requests. I know they are duplicates because the
header contains the unique (thread-safe) counter that my test harness
increments. Each request should contain its unique "request count", but some
requests contain counts already seen before -- hence they are being
duplicated/resent for some reason by something which is not my web app nor
my test harness.

I maintain a unique thread-safe count in the test harness. That shows the
test is sending the correct number of requests.

On the server-side in the Jersey resource end-point, purely for debug
purposes, I am using a bitset to maintain the counts already seen from the
headers of the incoming requests. That demonstrates that I am receiving
duplicate requests on the server.

Everything is standalone on my machine. Nothing else is using the web app as
it's a greenfield project under my sole development.

It's the standard standalone Tomcat configuration.

My web app uses 2-legged OAuth for authentication using a Jersey
ResourceFilter. That has always worked and is not the cause of any failures.

In fact, all of my Jersey client requests from the test harness return 200
response codes.

I'll run Tomcat 7 and check the access logs.

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