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The database collation referenced in the documentation throws a warning. How do i fix this?

My healthcheck fails with "The database collation 'utf8_bin' and table collation 'utf8_bin' are not supported by Jira".  

The link in that message eventually leads me to .  Those instructions tell me to "ALTER DATABASE yourDB CHARACTER SET utf8 COLLATE utf8_bin" which will set my database collation to 'utf8_bin' which is just what the error message is objecting to.


Which character sets and collation for databases and tables does Atlassian want for Mysql 5.7.26?

1 answer

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Answer accepted

@Bearcat M. Şándor 


Hi Bearcat


which jira version are you using?

In case of jira 8 please take a look to

There you will need to use utf8mb4





Thank you Kurt!  That worked for the database.  If i create  and run the alter tables commands via the instructions in  it still complains that "The table collation: 'utf8_bin' is unsupported by Jira.", but i don't know where to determine what the correct table collation should be.


I'm using Jira 8.1.0.


Also, as an aside, do you know if multiple applications (jira, service desk etc.) can share the same database, or do i need to set up a separate database for each one? I asked this of sales, but they didn't understand the question.

I actually resolved this with tech support. It turns out that you want for both the database and the tables.

Like A L likes this

may i know how do you fixed ?

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