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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.

Symptoms

On starting 8.0 the first time,  using datadir from 5.7,  8.0 fails to start while printing these errors to the log:

Changes

Trying to upgrade from 5.7 to 8.0 using the documented procedure, and all the pre-checks pass.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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