Database Install/Upgrade/Opatch (MOSC)

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Invalid Java Class objects during upgradation to Oracle 19c

edited Jul 18, 2020 5:00AM in Database Install/Upgrade/Opatch (MOSC) 3 commentsAnswered

Hello All,

We are trying to upgrade our production Database from Oracle 12.1.0.2 to Oracle 19c on Solaris 11.3 Platform.

But before doing the upgrade process on production Machine, we are trying to upgrade process and test the same on the test Machine.

During this upgrade process, one of the recommendation from Oracle prior to Upgrade to 19c is compilation of all Invalid Objects.

Above said statements means, before upgrade process when i ran the preupgrade utility one of mandatory actions was that there shall be no invalid objects, but in our case there are many invalid objects and we analyzed and fixed many of them.

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