Instructions for patching OCCAS...

1) Download the latest OCCAS patch. At the time of this writing, it contained an entirely new installer.
 

2) Download the latest WLS Stack patch.

For WLS Stack patch, unzip...

Update OPatch

mv $ORACLE_HOME/OPatch $ORACLE_HOME/OPatchOld

unzip the opatch file in the 'tools' directory.

java -jar opatch_generic.jar

In the binary_patches folder

Apply the coherence_fp patch.

Apply the JDBC patch:

Apply the RDA patch:

Apply the WLS patches