ruby
Pending migration prevents app start
ActiveRecord::PendingMigrationError
Fixes
- 1.Run rails db:migrate
- 2.If migration is broken, fix the migration file or run rails db:rollback
- 3.In test env: rails db:test:prepare or rails db:schema:load
migrationactiverecord
Related Errors
ruby3 fixes
Logstash Grok pattern match failure
logstash.*Error.*Grok.*pattern.*match failure
- •Test pattern with Grok Debugger tool
- •Add tag_on_failure and handle non-matching events
ruby3 fixes
Logstash pipeline terminated unexpectedly
logstash.*PipelineTerminatedError.*pipeline.*shutdown
- •Check Logstash logs for underlying error causing shutdown
- •Increase JVM heap for Logstash: -Xms1g -Xmx1g in jvm.options
ruby3 fixes
Method called on nil object
NoMethodError.*undefined method.*for (nil:NilClass|nil)
- •Use safe navigation operator: object&.method
- •Add nil check: if object.present? or unless object.nil?