This problem is discussed in upstream tickets http://www.redmine.org/issues/13520 http://www.redmine.org/issues/14009
and number of others where I finally found the solution which translates to Debian as follows: ~~~~ apt-get install ruby-mysql2 and change "adapter: mysql" to "adapter: mysql2" in "/etc/redmine/default/database.yml". ~~~~ Apparently package "redmine-mysql" depends on "ruby-mysql (>= 2.8.1)". Perhaps this dependency could be changed to "ruby-mysql2". Also upgrade note in NEWS or README.Debian explaining this issue and the required change in "/etc/redmine/default/database.yml" will be much appreciated. Thanks. -- Cheers, Dmitry Smirnov GPG key : 4096R/53968D1B
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