Monday, August 24, 2015

EBS 12.2 -- AD script start/stop hang issue in older AD TXK versions

Oracle recommends upgrading AD and TXK levels time to time.

Oracle Delevopment advises it as follows : 
Note: Oracle strongly recommends that you always apply the latest version of the AD and TXK release update packs at your earliest convenience.  

In addition to the performance enhancements and bug fixes there are some enhancements in the latest AD and TXK level that eases the administration and fixes some administration problems ,as well.
For instance; the AD and TXK Delta 6 brings an opportunity to start the WLS servers even if the admin server is done. 
This enhancement is introduced as an option named -msimode which brings the ability to use local copy of the configuration and skip the checks to identify the changes since last start.
Concerning the new -msimode above; also as per our practices, we have seen the following hang issue in AD startup scripts(for ex: can not be reproduced with the lastest TXK and AD levels. 

The issue was documented in the following blog post;
AD startup script hangs, when the weblogic domain is locked: 

It seemed the issue was due to the synchronization that was done from the generic domain config to a local copy of the configuration for the WLS server  and because the domain was locked the startup of the  WLS server was prevented.

The issue was seen in older code , probably in an environment with AD and TXK Level 3, which caused the AD startup scripts to hang where the WLS domain was LOCKED.

At the bottom line, upgrading AD and TXK levels are recommend and needed as they eases our administration works and saves us spending our for find the root causes of the problems caused by bugs in the older AD and TXK levels.

So , if you are available, upgrade to the latest AD and TXK levels.

Note that : The latest RUPs are R12.AD.C.Delta.6 (Patch 19197270) and R12.TXK.C.Delta.6 (Patch 19330775)
Reference : Applying the Latest AD and TXK Release Update Packs to Oracle E-Business Suite Release 12.2 (Doc ID 1617461.1)

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