Symptoms:
ADOP Prepare phase fails while applying a patch.
Error:
[PROCEDURE] [END 2018/11/12 18:21:48] Acquiring lock on AD_ADOP_SESSION_PATCHES table
[PROCEDURE] [START 2018/11/12 18:21:48] Sync FS of RUN and PATCH
[PROCEDURE] Calling: /u02/oracle/ERPPROD/fs1/EBSapps/appl/ad/12.0.0/patch/115/bin/txkADOPPreparePhaseSynchronize.pl
[EVENT] Log: /u02/oracle/ERPPROD/fs_ne/EBSapps/log/adop/42/20181112_175050/prepare/erpisup
[UNEXPECTED]Error occurred running "perl /u02/oracle/ERPPROD/fs1/EBSapps/appl/ad/12.0.0/patch/115/bin/txkADOPPreparePhaseSynchronize.pl -contextfile=/u01/oracle/ERPPROD/fs1/inst/apps/erpprod_erpisup/appl/admin/erpprod_erpisup.xml -patchcontextfile=/u01/oracle/ERPPROD/fs2/inst/apps/erpprod_erpisup/appl/admin/erpprod_erpisup.xml -promptmsg=hide -console=off -patchtop=/u02/oracle/ERPPROD/fs_ne/EBSapps/patch -mode=update -sync_mode=patch -sessionid=42 -timestamp=20181112_175050 -workercount=8 -outdir=/u02/oracle/ERPPROD/fs_ne/EBSapps/log/adop/42/20181112_175050/prepare/erpisup -autoskip=No"
[PROCEDURE] [START 2018/11/12 18:22:29] Unlocking AD_ADOP_SESSION_PATCHES table
[STATEMENT] Unlocking AD_ADOP_SESSION_PATCHES table for erpisup having lock name ADPATCH
[PROCEDURE] [END 2018/11/12 18:22:29] Unlocking AD_ADOP_SESSION_PATCHES table
[UNEXPECTED]Error calling runSyncFS subroutine.
[ERROR] Prepare phase has failed.