Communities

Writing
Writing
Codidact Meta
Codidact Meta
The Great Outdoors
The Great Outdoors
Photography & Video
Photography & Video
Scientific Speculation
Scientific Speculation
Cooking
Cooking
Electrical Engineering
Electrical Engineering
Judaism
Judaism
Languages & Linguistics
Languages & Linguistics
Software Development
Software Development
Mathematics
Mathematics
Christianity
Christianity
Code Golf
Code Golf
Music
Music
Physics
Physics
Linux Systems
Linux Systems
Power Users
Power Users
Tabletop RPGs
Tabletop RPGs
Community Proposals
Community Proposals
tag:snake search within a tag
answers:0 unanswered questions
user:xxxx search by author id
score:0.5 posts with 0.5+ score
"snake oil" exact phrase
votes:4 posts with 4+ votes
created:<1w created < 1 week ago
post_type:xxxx type of post
Search help
Notifications
Mark all as read See all your notifications »
Users Search
Help Dashboard Sign In Sign Up
Q&A
Q&A
Posts Tags Edits
Create Post

Review Suggested Edit

You can't approve or reject suggested edits because you haven't yet earned the Edit Posts ability.
View post

Approved.
This suggested edit was approved and applied to the post 11 months ago by Monica Cellio‭.

56 / 255 
What does this failure involving mysql on Mac mean?
  • I had to reinstall `mysql` on my Mac, and after some thrashing I was able to again connect to my Qpixel database from the command line. The data is as expected, so it appears that `mysql` itself is ok.
  • When I run the Qpixel server I get this error:
  • ```
  • $ rails s
  • /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2.rb:36:in `require': dlopen(/Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle, 0x0009): Library not loaded: /opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib (LoadError)
  • ```
  • And the rest of the stack trace in case it's helpful:
  • ```
  • Referenced from: <C48E75F7-C7A1-3D51-A669-683DF84DA6AE> /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle
  • Reason: tried: '/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/usr/local/lib/libmysqlclient.21.dylib' (no such file), '/usr/lib/libmysqlclient.21.dylib' (no such file, not in dyld cache), '/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/usr/local/lib/libmysqlclient.21.dylib' (no such file), '/usr/lib/libmysqlclient.21.dylib' (no such file, not in dyld cache) - /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2.rb:36:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:60:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:60:in `block (2 levels) in require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:55:in `each'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:55:in `block in require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:44:in `each'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:44:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler.rb:187:in `require'
  • from /Users/cellio/Data/codidact/qpixel/config/application.rb:7:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:137:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:137:in `block in perform'
  • from <internal:kernel>:90:in `tap'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:134:in `perform'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor/command.rb:28:in `run'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor/invocation.rb:127:in `invoke_command'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor.rb:527:in `dispatch'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/command/base.rb:87:in `perform'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/command.rb:48:in `invoke'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands.rb:18:in `<top (required)>'
  • from /Users/cellio/Data/codidact/qpixel/bin/rails:9:in `require'
  • from /Users/cellio/Data/codidact/qpixel/bin/rails:9:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/rails.rb:30:in `load'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/rails.rb:30:in `call'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/command.rb:7:in `call'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client.rb:30:in `run'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/bin/spring:49:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/binstub.rb:11:in `load'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/binstub.rb:11:in `<top (required)>'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:12:in `require'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:12:in `block in <top (required)>'
  • from <internal:kernel>:90:in `tap'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:9:in `<top (required)>'
  • from bin/rails:3:in `load'
  • from bin/rails:3:in `<main>'
  • ```
  • I tried reverting `Gemfile` to the version before a recent Dependobot update, just in case, and that didn't make a difference. Rails seems to be complaining about a gem named `mysql2-0.5.4`, which has been in Gemfile for more than a year.
  • I haven't changed Ruby version since the last code change that required it (a long time ago). `rvm` does not seem to know about a newer version (for the Mac) than 3.0.6, what I'm using.
  • I'm stumped. How do I diagnose this and fix or work around it? This is for my development environment, not a production system. I've had to locally edit Gemfile before, so local overrides are ok if needed. But I don't know where I need to poke at what.
  • I had to reinstall `mysql` on my Mac, and after some thrashing I was able to again connect to my Qpixel database from the command line. The data is as expected, so it appears that `mysql` itself is ok.
  • When I run the Qpixel server I get this error:
  • ```text
  • $ rails s
  • /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2.rb:36:in `require': dlopen(/Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle, 0x0009): Library not loaded: /opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib (LoadError)
  • ```
  • And the rest of the stack trace in case it's helpful:
  • ```text
  • Referenced from: <C48E75F7-C7A1-3D51-A669-683DF84DA6AE> /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle
  • Reason: tried: '/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/opt/homebrew/opt/mysql/lib/libmysqlclient.21.dylib' (no such file), '/usr/local/lib/libmysqlclient.21.dylib' (no such file), '/usr/lib/libmysqlclient.21.dylib' (no such file, not in dyld cache), '/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/System/Volumes/Preboot/Cryptexes/OS/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/opt/homebrew/Cellar/mysql/9.0.1/lib/libmysqlclient.21.dylib' (no such file), '/usr/local/lib/libmysqlclient.21.dylib' (no such file), '/usr/lib/libmysqlclient.21.dylib' (no such file, not in dyld cache) - /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2/mysql2.bundle
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/mysql2-0.5.4/lib/mysql2.rb:36:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:60:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:60:in `block (2 levels) in require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:55:in `each'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:55:in `block in require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:44:in `each'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler/runtime.rb:44:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/bundler-2.4.13/lib/bundler.rb:187:in `require'
  • from /Users/cellio/Data/codidact/qpixel/config/application.rb:7:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:137:in `require'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:137:in `block in perform'
  • from <internal:kernel>:90:in `tap'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands/server/server_command.rb:134:in `perform'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor/command.rb:28:in `run'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor/invocation.rb:127:in `invoke_command'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/thor-1.3.1/lib/thor.rb:527:in `dispatch'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/command/base.rb:87:in `perform'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/command.rb:48:in `invoke'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/railties-7.0.8.4/lib/rails/commands.rb:18:in `<top (required)>'
  • from /Users/cellio/Data/codidact/qpixel/bin/rails:9:in `require'
  • from /Users/cellio/Data/codidact/qpixel/bin/rails:9:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/rails.rb:30:in `load'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/rails.rb:30:in `call'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client/command.rb:7:in `call'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/client.rb:30:in `run'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/bin/spring:49:in `<top (required)>'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/binstub.rb:11:in `load'
  • from /Users/cellio/.rvm/gems/ruby-3.0.6/gems/spring-4.0.0/lib/spring/binstub.rb:11:in `<top (required)>'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:12:in `require'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:12:in `block in <top (required)>'
  • from <internal:kernel>:90:in `tap'
  • from /Users/cellio/Data/codidact/qpixel/bin/spring:9:in `<top (required)>'
  • from bin/rails:3:in `load'
  • from bin/rails:3:in `<main>'
  • ```
  • I tried reverting `Gemfile` to the version before a recent Dependabot update, just in case, and that didn't make a difference. Rails seems to be complaining about a gem named `mysql2-0.5.4`, which has been in Gemfile for more than a year.
  • I haven't changed Ruby version since the last code change that required it (a long time ago). `rvm` does not seem to know about a newer version (for the Mac) than 3.0.6, what I'm using.
  • I'm stumped. How do I diagnose this and fix or work around it? This is for my development environment, not a production system. I've had to locally edit Gemfile before, so local overrides are ok if needed. But I don't know where I need to poke at what.
development
development database

Suggested 11 months ago by trichoplax‭