EM won’t start after upgrade
After upgrading a database from 10.2.0.1 to 10.2.0.5, I was unable to start the Oracle Enterprise Manager. Whenever I tried to do so, the log showed that it failed to start Database Control. Even when I deconfigured the Enterprise Manager, deleted the repository and started from scratch, I still ran into the same problem. In this post, I will describe the symptoms I encountered and also provide a solution.
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