A friend of mine was working to apply the July 2013 PSU, and had to rollback two one off patch conflicts. Since the instance was cloned from production, OPatch was failing with this error…

So, though we are trying to rollback the conflicting patch from dev instance, the inventory still has reference to prod instance, where the oracle home was cloned from… Adding the -connectString xyzdev:sys:passsword:  did not work either….

I did not know until I reviewed the OPatch documentation, it has a lot of cool options in 11gR2… See documentation.

Thanks to Oracle support, for identifying the right option to remove the patch from the inventory.

Now, able to apply the PSU without issue…

 

 

 

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