Unknown MySQL server host 'db' (-2) about workbench HOT 6 CLOSED

This is the only program that i have spent four days to setup.

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@uguracar I can't reproduce same, now everything works correctly.

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@uguracar how did you solve that?Mysql2::Error: Unknown MySQL server host 'db' (-2)
/opt/vendor/bundle/ruby/2.5.0/gems/mysql2-0.4.10/lib/mysql2/client.rb:89:in connect' /opt/vendor/bundle/ruby/2.5.0/gems/mysql2-0.4.10/lib/mysql2/client.rb:89:in initialize'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/mysql2_adapter.rb:18:in new' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/mysql2_adapter.rb:18:in mysql2_connection'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:438:in new_connection' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:448:in checkout_new_connection'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:422:in acquire_connection' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:349:in block in checkout'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:348:in checkout' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:263:in block in connection'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:262:in connection' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_adapters/abstract/connection_pool.rb:571:in retrieve_connection'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_handling.rb:113:in retrieve_connection' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/connection_handling.rb:87:in connection'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/migration.rb:941:in initialize' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/migration.rb:823:in new'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/migration.rb:823:in up' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/migration.rb:801:in migrate'
/opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/tasks/database_tasks.rb:139:in migrate' /opt/vendor/bundle/ruby/2.5.0/gems/activerecord-4.2.10/lib/active_record/railties/databases.rake:44:in block (2 levels) in <top (required)>'
/opt/vendor/bundle/ruby/2.5.0/gems/rake-12.3.1/exe/rake:27:in <top (required)>' /usr/local/bundle/bin/bundle:104:in load'
/usr/local/bundle/bin/bundle:104:in `

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Hi @laugh26

It is very sadly, how we can help you?

Did you change files or something in workbench source code, because seems like this problem not related to current version of workbench.

I can just suggest to try update your system, docker, docker-compose to latest versions.

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Also having this issue, am curious if anyone has found a resolution to this.

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I also have this error. Any solution?

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