Error running bin/rails db

An error occurred when running bin/rails db as the discourse user in the container. I have reinstalled Ubuntu and redeployed discourse, but the error persists.

discourse@jerry-app:~$ cd /var/www/discourse
discourse@jerry-app:/var/www/discourse$ bin/rails db
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:71:in `rescue in block (2 levels) in require': There was an error while trying to load the gem 'debug/prelude'. (Bundler::GemRequireError)
Gem Load Error is: cannot load such file -- debug/prelude
Backtrace for gem load error is:
<internal:/usr/local/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:37:in `require'
<internal:/usr/local/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:37:in `require'
/usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:63:in `block (2 levels) in require'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `each'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `block in require'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `each'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `require'
/usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler.rb:215:in `require'
/var/www/discourse/config/application.rb:55:in `<main>'
/usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
/usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:15:in `require_application!'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/environment_argument.rb:31:in `require_application!'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:19:in `boot_application!'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands/dbconsole/dbconsole_command.rb:83:in `perform'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/command.rb:28:in `run'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/invocation.rb:127:in `invoke_command'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:178:in `invoke_command'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor.rb:538:in `dispatch'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:73:in `perform'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:65:in `block in invoke'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:143:in `with_argv'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:63:in `invoke'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands.rb:18:in `<main>'
/usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
/usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
/var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
bin/rails:18:in `<main>'
Bundler Error Backtrace:

        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:62:in `block (2 levels) in require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `each'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `block in require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `each'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler.rb:215:in `require'
        from /var/www/discourse/config/application.rb:55:in `<main>'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:15:in `require_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/environment_argument.rb:31:in `require_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:19:in `boot_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands/dbconsole/dbconsole_command.rb:83:in `perform'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/command.rb:28:in `run'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/invocation.rb:127:in `invoke_command'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:178:in `invoke_command'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor.rb:538:in `dispatch'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:73:in `perform'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:65:in `block in invoke'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:143:in `with_argv'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:63:in `invoke'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands.rb:18:in `<main>'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from bin/rails:18:in `<main>'
<internal:/usr/local/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:37:in `require': cannot load such file -- debug/prelude (LoadError)
        from <internal:/usr/local/lib/ruby/3.3.0/rubygems/core_ext/kernel_require.rb>:37:in `require'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:63:in `block (2 levels) in require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `each'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:58:in `block in require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `each'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler/runtime.rb:52:in `require'
        from /usr/local/lib/ruby/gems/3.3.0/gems/bundler-2.6.4/lib/bundler.rb:215:in `require'
        from /var/www/discourse/config/application.rb:55:in `<main>'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:15:in `require_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/environment_argument.rb:31:in `require_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/actions.rb:19:in `boot_application!'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands/dbconsole/dbconsole_command.rb:83:in `perform'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/command.rb:28:in `run'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor/invocation.rb:127:in `invoke_command'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:178:in `invoke_command'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/thor-1.4.0/lib/thor.rb:538:in `dispatch'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command/base.rb:73:in `perform'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:65:in `block in invoke'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:143:in `with_argv'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/command.rb:63:in `invoke'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/railties-8.0.4/lib/rails/commands.rb:18:in `<main>'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `require'
        from /usr/local/lib/ruby/3.3.0/bundled_gems.rb:69:in `block (2 levels) in replace_require'
        from /var/www/discourse/vendor/bundle/ruby/3.3.0/gems/bootsnap-1.19.0/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:30:in `require'
        from bin/rails:18:in `<main>'

Is there a reason why you don’t want to use ./launcher rebuild app?

(Also, that looks like the dev environment’s bin/rails db:migrate command)

1 Like

Problems encountered when querying the database

./launcher rebuild app no problem

I found a way to query Discourse database information

  1. Enter the container
./launcher enter app
  1. Switch to the postgres user in the container and start psql
sudo -u postgres psql discourse

Now the terminal becomes

discourse=#
  1. See what tables there are
\dt
  1. Exit psql
\q

(post deleted by author)

Is this error normal? ~~~~~~~~~~~~~~~~~~~

Try sudo -u postgres psql discourse?

What are you trying to achieve with that, by the way? Adding context when looking for help is always appreciated.

3 Likes

Query information in the postgres database.

Provide feedback for the following post

I cannot access the database using the method described by zogstrip

If you want to get to the database on a standard install, the way that I do it is

./launcher enter app
su  postgres
psql discourse

I’ve not seen bin/rails db, but when I ran it on one container (that uses an external database) I got a prompt asking for a password for user discourse.

It’s an alias for rails dbconsole