Upgrade to 8.0 Fails When Schema Comments Contain Invalid Characters: "Failed to update columns dictionary object."
(Doc ID 2482394.1)
Last updated on APRIL 15, 2020
Applies to:MySQL Server - Version 8.0 and later
Information in this document applies to any platform.
On starting 8.0 the first time, using datadir from 5.7, 8.0 fails to start while printing these errors to the log:
Trying to upgrade from 5.7 to 8.0 using the documented procedure, and all the pre-checks pass.
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