Weblogic patch rollback issues in Oracle EBS R12.2

When you try to rollback a weblogic patch in Oracle EBS R12.2, you might run into issues similar to below: $ ./ -remove -patchlist=YIJF -prod_dir=/u01/install/VISION/fs2/FMW_Home/wlserver_10.3 -verbose Checking for conflicts.. No conflict(s) detected Starting removal of Patch ID: YIJF Restoring /d1/V1223B5B/fs1/FMW_Home/modules/com.bea.core.datasource6.binding_1.10.0.0.jar from /u01/install/VISION/fs2/FMW_Home/patch_wls1036/backup/backup.jar Result: Failure Failure condition follows: An error occured while removing patches – run…

Oracle Database 12c Patching: DBMS_QOPATCH, OPATCH_XML_INV, and datapatch

Background Oracle Database 12c brings us many new features including: the long needed ability to run OPatch and query the patch software installed in the Oracle Home programatically through SQL using the new DBMS_QOPATCH package. If you’re a DBA working in an environment where patching consistently among databases is important, this is a welcomed enhancement….