NTP Server for Single Server Deployments?
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Alastair Beadle (194●1●12●18)
| asked Jun 25 '13, 5:07 a.m.
retagged Jun 25 '13, 5:30 a.m. by Sunil Kumar R (1.1k●1●33●44)
Hi all,
I have a new installation (CLM4.0.1 with RM using Websphere and DB2) where the Websphere server is occasionally crashing. Websphere is showing in its logs 'token expired' errors, which some searching around tells me is sometimes associated with server clocks being out of sync. I don't have an NTC specified, and I will find a suitable one and test it to see if that is the problem but the whole system (Websphere with the apps and DB2) is on a single server - so my question is: Do I still need to specify an NTC server for a single server deployment? Thanks, Ali |
Accepted answer
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Hi Alastair, if you are seeing "LPTA token expired" errors in Websphere SystemOut.log, they can be ignored and are not the cause of server crashes. Take a look at the technote http://www-01.ibm.com/support/docview.wss?uid=swg21590961 for more information on token errors. You need to check if there any java core files which may shed more light on server crashes.
Alastair Beadle selected this answer as the correct answer
Comments Hi Vidya,
Alastair,
If you're seeing that WebSphere is not responding for an extended period of time, does that affect all applications, for instance also the WAS Admin Console? Are you able to cleanly stop WAS?
I'm asking because I have seen similar behaviour before when the thread pool size was too small for the amount of work load that was put on the server - this also raises the question of whether your server is in productive use and how many users are on it concurrently (and then also what they're doing).
-Christian
Thanks for the help all. Since applying the SESN0008E fix (https://jazz.net/forum/questions/99315/websphere-session-error-after-clm-logout-login) the server has been stable, so that seems to be the solution.
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