Rails项目集成payola-payment订阅遇数据库迁移错误求助

Let’s break down and resolve the two errors you’ve encountered one by one:

Error 1: NoMethodError: undefined method 'event_retriever=' for StripeEvent:Module #

This issue comes down to version incompatibility between payola-payments and the stripe_event gem. Newer versions of stripe_event removed the event_retriever= method, but the default released version of payola still tries to call this deprecated method.

Fixes: #

• Pin stripe_event to a compatible version: Add this line to your Gemfile before the payola entry:

  gem 'stripe_event', '~> 2.3.0'
  

  Run bundle update stripe_event to install the compatible version, then re-run rake db:migrate. This version still supports the event_retriever= method that payola expects.
• If you need newer stripe_event features, look for a maintained fork of payola that’s updated to work with modern stripe_event releases (just be sure to vet the fork’s activity first).

Error 2: NoMethodError: undefined method '[]' for #<...> when using the git source gem #

This error typically points to a broken migration file in the git version of payola, or a mismatch with your Rails version. Here’s how to debug and fix it:

Steps to resolve: #

1. Get detailed error context: Run rake db:migrate --trace to see the full stack trace. This will show exactly which migration line is failing, so you can identify where the invalid [] call is happening.
2. Verify Rails version compatibility: Make sure the git branch of payola you’re using supports your Rails version. For example, if you’re on Rails 7, look for a branch like rails-7-compat in the repo.
3. Manually fix the migration: If the error is in a payola-provided migration, copy the migration files from the git repo into your project’s db/migrate directory, then edit the problematic line. For example, if it’s trying to use [] on a non-hash object (like a configuration instance), replace it with the correct attribute accessor (e.g., config.api_key instead of config[:api_key]).
4. Use a specific stable branch: Instead of pulling from the main branch, try a tagged release or maintenance branch. Update your Gemfile like this:

   gem 'payola-payments', git: 'git@github.com:payolapayments/payola.git', branch: 'rails-6-compat'
   

   Adjust the branch name to match your Rails version.

Additional Tips: #

• Always check the payola repo’s README and issues page for known compatibility issues with your Rails and stripe_event versions.
• After updating your Gemfile, run bundle install and restart your Rails server to ensure all changes are loaded properly.

内容的提问来源于stack exchange，提问作者dhruv mehta