Forum Discussion
Timeout settings
We have notices that it seems that http sessions appear to timeout more quickly when using the f5 than when using a direct connection to the server. I have done my own testing and have seen that side by side, a connection utilizing the alias that passes through the f5 did in fact timeout before another browser session that I had where I logged in directly using the server hostname (and with a different userID to make sure that the sessions were completely separate).
Here is the error:
500 Internal Server Error
SAP J2EE Engine/7.00
The Web Dynpro Application 'WebUI' has expired. Restart the application using the Refresh button or via the following link WebUI.
Details: No details available
Again I tested this side by side with and without the f5, so I do not believe it is an application setting.
I am sure there is a simple setting on the f5 that can address this, but not being an f5 administrator, I will need your help to know what to ask for.
Along the same lines, we have also seen that when making a large number (50 to 100) of web service calls through the f5 at the same time, some of them will not execute successfully, as opposed to executing the calls using the hostname of an application server where all of the calls are successful. I was thinking this may be some kind of timeout on the f5 side as well.
These are two completely separate issues, but I would appreciate any advice on either.
Thanks,
Brian
- bls9701_10560NimbostratusHi Nojan,
- Amresh008Nimbostratus
I am not sure whether my comment would be seen on such an old thread, but recently, I experienced similar issue. There's end-to-end ssl connectivity from user to SAP servers through F5. It's configured with source IP address as affinity method. The sessions were getting timed out prematurely when left idle. I increased the persistence timeout and it resolved the issue.
What I do not understand is are as following :- 1. Why increasing the time out settings for idle time out and configuring keep-alive did not maintain the session ? 2. Now when the user session is maintained for over an half-an-hour, I do not see it's connection logs on F5 tmsh using show sys connection command.
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