Ruby on Rails服务器启动异常及访问失败问题求助

Hey there, let's break down how to fix both the gem dependency error and the "server running but unreachable" problem you're facing:

1. Fix the turbolinks-source (~> 5) Missing Gem Error #

First, let's make sure all your Rails project dependencies are properly installed:

• Navigate to your project's root directory in the terminal.
• Run bundle install — this will pull down and install all the gems specified in your Gemfile, including the missing turbolinks-source gem.
• If bundle install still throws an error about turbolinks-source, try running bundle update turbolinks-source to force an update to a version compatible with Rails 5.2.3.
• Double-check that your Gemfile includes tzinfo-data correctly (since you mentioned adding it earlier). For cross-platform compatibility, it should look like this:

  gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
  

  Run bundle install again after verifying this line is present.

2. Fix the "Server Runs But Can't Access http://0.0.0.0:3000" Issue #

If WEBrick says it's running but you can't reach the page, try these steps:

• Try accessing http://localhost:3000 instead: Sometimes systems have trouble resolving 0.0.0.0 correctly. localhost is the standard loopback address and should work if the server is running properly.
• Check if port 3000 is occupied:
  • On Mac/Linux: Run lsof -i :3000 to see which process is using the port. Kill it with kill -9 <PID> (replace <PID> with the process ID from the output), then restart the Rails server.
  • On Windows: Run netstat -ano | findstr :3000 in Command Prompt, then use taskkill /F /PID <PID> to terminate the process.
  • Alternatively, start the server on a different port: rails server -p 3001 and try accessing http://localhost:3001.
• Verify the server's binding address: If you need to access the server from another device, start it with rails server -b 0.0.0.0 to bind to all network interfaces. Then try accessing your machine's local IP address (e.g., http://192.168.1.100:3000) instead of 0.0.0.0.
• Check your firewall settings: Your local firewall might be blocking incoming connections on port 3000. Temporarily disable the firewall to test, or add an exception rule for port 3000.
• Dig into the server logs: Don't just stop at the "WEBrick started" message. Scroll up in the terminal or check the log/development.log file in your project directory for hidden errors — things like database connection failures or missing routes could be silently preventing the server from serving pages even if it says it's running.

Quick Compatibility Check #

Just to confirm: Ruby 2.3.3 is officially compatible with Rails 5.2.3, so version mismatch isn't the root issue here. Focus on the dependency and network/port checks above.

内容的提问来源于stack exchange，提问作者pedro