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Fix rails 2.3 filter_parameter_logging for ruby 2.x
# The filter_parameter_logging method, used to filter request parameters
# (such as passwords) from the log, defines a protected method called
# filter_parameter when called. Its existence is later tested using
# respond_to?, without the include_private parameter. Due to the respond_to?
# behavior change, the method existence is never detected, and parameter
# filtering stops working.
require 'action_controller'
module ParameterFilterPatch
def respond_to?(method, include_private = false)
if method.to_s == 'filter_parameters'
include_private = true
super(method, include_private)
module ActionController
class Base
prepend ParameterFilterPatch
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tsoto111 commented Mar 31, 2020

You are a saint Renato!

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