RE: i have applied a patch. at the time of applying he...
one case could be multiple upgrade scripts in the patch are there and ad workers are running them parally so when the first worker was upading the table and second one also gone for the update at the same time in this case locking error will come.
To resolve this kind of issues patch should not contain different upgrade scripts for a single table all the upgrades should happen in the same file.
RE: i have applied a patch. at the time of applying he...
use adctrl utility to monitor and restart adworkers after fixing your locking problem. check ad workers log file that show you which table has problem and error message