Mysql2::Error: Can't connect to MySQL server on 'mysqldb'

[harie0x]

I had done the fresh installation of jackhammer in kali linux latest version and i see the following error after the installation.

root@kali:~/jackhammer# docker logs -f jackhammer_web_1
/root/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/rb-readline-0.5.1/lib/readline.rb:458: warning: already initialized constant Readline::HISTORY
/root/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/rb-readline-0.5.1/lib/readline.rb:486: warning: already initialized constant Readline::FILENAME_COMPLETION_PROC
/root/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/rb-readline-0.5.1/lib/readline.rb:517: warning: already initialized constant Readline::USERNAME_COMPLETION_PROC
/root/.rbenv/versions/2.3.0/lib/ruby/gems/2.3.0/gems/rb-readline-0.5.1/lib/readline.rb:523: warning: already initialized constant Readline::VERSION
rake aborted!
Mysql2::Error: Can't connect to MySQL server on 'mysqldb' (111)
/root/.rbenv/versions/2.3.0/bin/bundle:23:in load' /root/.rbenv/versions/2.3.0/bin/bundle:23:in

'
Tasks: TOP => db:migrate
(See full trace by running task with --trace)

oot@kali:~/jackhammer# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
fe6a8bd8570b jackhammer_web "figlet -k -w 500 ..." 34 seconds ago Exited (0) 32 seconds ago jackhammer_web_run_4
8b279a5c244c jackhammer_web "rake db:seed" 38 seconds ago Exited (7) 35 seconds ago jackhammer_web_run_3
5ef4dfe86cbd jackhammer_web "rake db:migrate" 42 seconds ago Exited (7) 40 seconds ago jackhammer_web_run_2
d6f40d1c76ee jackhammer_web "rake db:create" 48 seconds ago Exited (7) 44 seconds ago jackhammer_web_run_1
90d829bdace5 jackhammer_web "bash -c 'mkdir -p..." 51 seconds ago Exited (1) 14 seconds ago jackhammer_web_1
8accdcd59ebf redis "docker-entrypoint..." 53 seconds ago Up 51 seconds 0.0.0.0:32768->6379/tcp jackhammer_redis_1
70aa9f035387 mysql "docker-entrypoint..." 53 seconds ago Up 13 seconds (health: starting) 0.0.0.0:3306->3306/tcp jackhammer-db
a8fcf2d5f9ab ff7dec5fe3d4 "/bin/sh -c 'wget ..." About an hour ago Exited (8) 36 minutes ago quirky_cray

---> Running in 3525fb0259c6
---> 2134a8974b52
Removing intermediate container 3525fb0259c6
Step 49/50 : WORKDIR /home/app
---> c1b5a2fdb3a1
Removing intermediate container 929695f41507
Step 50/50 : EXPOSE 3000
---> Running in 562f48db353f
---> 6cb5f780d22a
Removing intermediate container 562f48db353f
Successfully built 6cb5f780d22a
Successfully tagged jackhammer_web:latest
WARNING: Image for service web was built because it did not already exist. To rebuild this image you must use docker-compose build or docker-compose up --build.
Creating jackhammer_redis_1 ... done
Creating jackhammer-db ... done
Creating jackhammer_web_1 ... done
Starting jackhammer_redis_1 ... done
Starting jackhammer-db ... done

Could not find gem 'mocha (> 0.14.0)' in any of the gem sources listed in your Gemfile.
Run bundle install to install missing gems.
Starting jackhammer_redis_1 ... done
Starting jackhammer-db ... done
Could not find gem 'mocha (> 0.14.0)' in any of the gem sources listed in your Gemfile.
Run bundle install to install missing gems.
Starting jackhammer_redis_1 ... done
Starting jackhammer-db ... done
Could not find gem 'mocha (~> 0.14.0)' in any of the gem sources listed in your Gemfile.
Run bundle install to install missing gems.
Starting jackhammer-db ... done
Starting jackhammer_redis_1 ... done

[kmadhusudhan]

mysql docker take sometime to come up.please wait sometime and run sh docker-build.sh again it will work