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What does a "Session is Invalid" Error Mean?

Every once in a while someone gets the following error on our site. I've not been able to repro it. Does anyone know what it means? Thanks...

Error Occurred While Processing Request
 
Session is invalid  
 
Please try the following:

Enable Robust Exception Information to provide greater detail about the source of errors. In the Administrator, click Debugging & Logging > Debugging Settings, and select the Robust Exception Information option.
Check the ColdFusion documentation to verify that you are using the correct syntax.
Search the Knowledge Base to find a solution to your problem.
 
Browser  
 Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.1)
 
Remote Address  
 192.168.17.6
 
Referrer  
 
Date/Time  
 28-Nov-05 07:31 PM
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TallerMike

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ASKER

We did see this and bumped it up to 120 seconds, but we are still getting the error. Should we bump it up more?
Why not try enabling the robust exception handling and see what the detailed error is?
1) what is the application timeout in your CF administrator?
2) What does this line read in your web.xml?
<session-config> <session-timeout>66</session-timeout> </session-config>

it seems that this error is thrown when the jrun session timesout before the cf application session.

Just try making them the same.
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ASKER

I believe I was able to resolve the problem by swtiching to coldfusion rather than J2EE session variables.
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DarthMod
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