Unknown system variable 'language' on Database Setup page when using MySQL

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Platform Notice: Server and Data Center Only - This article only applies to Atlassian products on the server and data center platforms.


When installing JIRA, on the Database Setup page of the wizard, the error "Unknown system variable 'language'" shows up on the screen after clicking Next.



  • Using MySQL as the database server
http-nio-8080-exec-7 ERROR anonymous 949x7x1 1u8y9vf /secure/SetupDatabase.jspa[c.a.config.bootstrap.DefaultAtlassianBootstrapManager] Could not successfully test your database:
java.sql.SQLException: Unknown system variable 'storage_engine'
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:959)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3870)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3806)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2470)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2617)



There is a bug in the MySQL Connector/J version 5.1.36, when connecting to MySQL server 5.0.x. This is tracked at http://bugs.mysql.com/bug.php?id=77665.


  • Install the working version of MySQL Connector/J 5.1.35.


  • Once MySQL fixes the bug, you may use the fixed version of the Connector/J.

Last modified on Feb 26, 2016

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