i’m installing galaxy on centos7
i have this problem now.
OperationalError: (_mysql_exceptions.OperationalError) (1553, “Cannot drop index ‘ix_workflow_step_connection_output_step_id’: needed in a foreign key constraint”) [SQL: u’\nDROP INDEX ix_workflow_step_connection_output_step_id ON workflow_step_connection’] (Background on this error at: http://sqlalche.me/e/e3q8)
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If you have the option we heavily recommend using postgres instead of mysql/mariadb. This is possibly similar to issues described here: https://github.com/galaxyproject/galaxy/issues/6401
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