The curious case of the blank plugin page in OEM13c

The curious case of the blank plugin page in OEM13c

After an upgrade of Oracle Enterprise Manager from 12.1.0.5 to 13.2, I wanted to deploy  a new version of the plugin oracle.sysman.db. Downloaded the new version and got to the plugin-management page to apply the patch. But all I got was a blank page. Cost me quite a while to figure out what the – almost humiliating – workaround / solution eventually was.

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