ruby
Uninitialized constant reference
NameError.*uninitialized constant
Fixes
- 1.Check class/module naming matches file path (Rails autoloading)
- 2.Add require or require_relative for the file defining the constant
- 3.Verify the namespace: use ::ClassName for top-level constants
constantsautoload
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?