Corrected with rubocop cop 'Lint/RescueException'.

.rubocop.yml

@@ -193,7 +193,5 @@ Style/Documentation:
   Description: 'Document classes and non-namespace modules.'
   Enabled: false
 
-Lint/RescueException:
-  Enabled: false
 Lint/UselessAssignment:
   Enabled: false

app/controllers/application_controller.rb

@@ -287,7 +287,7 @@ class ApplicationController < ActionController::Base
     generic_object.param_set_associations( params )
 
     model_create_render_item(generic_object)
-  rescue Exception => e
+  rescue => e
     logger.error e.message
     logger.error e.backtrace.inspect
     render json: { error: e.message }, status: :unprocessable_entity
@@ -309,7 +309,7 @@ class ApplicationController < ActionController::Base
     generic_object.param_set_associations( params )
 
     model_update_render_item( generic_object )
-  rescue Exception => e
+  rescue => e
     logger.error e.message
     logger.error e.backtrace.inspect
     render json: { error: e.message }, status: :unprocessable_entity
@@ -323,7 +323,7 @@ class ApplicationController < ActionController::Base
     generic_object = object.find( params[:id] )
     generic_object.destroy
     model_destory_render_item()
-  rescue Exception => e
+  rescue => e
     logger.error e.message
     logger.error e.backtrace.inspect
     render json: { error: e.message }, status: :unprocessable_entity
@@ -343,7 +343,7 @@ class ApplicationController < ActionController::Base
 
     generic_object = object.find( params[:id] )
     model_show_render_item(generic_object)
-  rescue Exception => e
+  rescue => e
     logger.error e.message
     logger.error e.backtrace.inspect
     render json: { error: e.message }, status: :unprocessable_entity
@@ -356,7 +356,7 @@ class ApplicationController < ActionController::Base
   def model_index_render (object, _params)
     generic_objects = object.all
     model_index_render_result( generic_objects )
-  rescue Exception => e
+  rescue => e
     logger.error e.message
     logger.error e.backtrace.inspect
     render json: { error: e.message }, status: :unprocessable_entity

app/controllers/getting_started_controller.rb

@@ -628,7 +628,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
         else
           found = Channel::POP3.new.fetch( { options: params[:inbound][:options] }, 'verify', subject )
         end
-      rescue Exception => e
+      rescue => e
         render json: {
           result: 'invalid',
           message: e.to_s,
@@ -762,7 +762,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
             options: params[:options]
           }
         )
-      rescue Exception => e
+      rescue => e
 
         # check if sending email was ok, but mailserver rejected
         if !subject
@@ -806,7 +806,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
         mail,
         nil
       )
-    rescue Exception => e
+    rescue => e
       message_human = ''
       translation_map.each {|key, message|
         if e.message =~ /#{Regexp.escape(key)}/i
@@ -846,7 +846,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
 
       begin
         Channel::IMAP.new.fetch( { options: params[:options] }, 'check' )
-      rescue Exception => e
+      rescue => e
         message_human = ''
         translation_map.each {|key, message|
           if e.message =~ /#{Regexp.escape(key)}/i
@@ -869,7 +869,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
 
     begin
       Channel::POP3.new.fetch( { options: params[:options] }, 'check' )
-    rescue Exception => e
+    rescue => e
       message_human = ''
       translation_map.each {|key, message|
         if e.message =~ /#{Regexp.escape(key)}/i
@@ -896,7 +896,7 @@ curl http://localhost/api/v1/getting_started -v -u #{login}:#{password}
         ress = dns.getresources(domain, Resolv::DNS::Resource::IN::MX)
         ress.map { |r| [r.exchange.to_s, IPSocket.getaddress(r.exchange.to_s), r.preference] }
       end
-    rescue Exception => e
+    rescue => e
       logger.error e.message
       logger.error e.backtrace.inspect
     end

app/controllers/long_polling_controller.rb

@@ -137,7 +137,7 @@ class LongPollingController < ApplicationController
           return
         end
       end
-    rescue Exception => e
+    rescue => e
       logger.error e.inspect
       logger.error e.backtrace
       render json: { error: 'Invalid client_id in receive loop!' }, status: :unprocessable_entity

app/controllers/users_controller.rb

@@ -176,7 +176,7 @@ class UsersController < ApplicationController
 
       user_new = User.find( user.id )
       render json: user_new, status: :created
-    rescue Exception => e
+    rescue => e
       render json: { error: e.message }, status: :unprocessable_entity
     end
   end
@@ -220,7 +220,7 @@ class UsersController < ApplicationController
       # get new data
       user_new = User.find( params[:id] )
       render json: user_new, status: :ok
-    rescue Exception => e
+    rescue => e
       render json: { error: e.message }, status: :unprocessable_entity
     end
   end

app/models/channel.rb

@@ -9,7 +9,7 @@ class Channel < ApplicationModel
       begin
         c = eval 'Channel::' + channel[:adapter].upcase + '.new' # rubocop:disable Lint/Eval
         c.fetch(channel)
-      rescue Exception => e
+      rescue => e
         logger.error "can't use " + 'Channel::' + channel[:adapter].upcase
         logger.error e.inspect
         logger.error e.backtrace

app/models/channel/email_parser.rb

@@ -338,7 +338,7 @@ class Channel::EmailParser
     filters.each {|_prio, backend|
       begin
         backend.run( channel, mail )
-      rescue Exception => e
+      rescue => e
         Rails.logger.error "can't run postmaster pre filter #{backend}"
         Rails.logger.error e.inspect
         return false
@@ -487,7 +487,7 @@ class Channel::EmailParser
     filters.each {|_prio, backend|
       begin
         backend.run( channel, mail, ticket, article, user )
-      rescue Exception => e
+      rescue => e
         Rails.logger.error "can't run postmaster post filter #{backend}"
         Rails.logger.error e.inspect
       end

app/models/channel/email_send.rb

@@ -8,7 +8,7 @@ module Channel::EmailSend
     begin
       c = eval 'Channel::' + channel[:adapter] + '.new' # rubocop:disable Lint/Eval
       c.send(attr, channel, notification)
-    rescue Exception => e
+    rescue => e
       Rails.logger.error "can't use " + 'Channel::' + channel[:adapter]
       Rails.logger.error e.inspect
       Rails.logger.error e.backtrace

app/models/channel/filter/database.rb

@@ -25,7 +25,7 @@ module Channel::Filter::Database
             Rails.logger.info "  is not matching #{ key.downcase }:'#{ mail[ key.downcase.to_sym ] }' on #{value}"
             match = false
           end
-        rescue Exception => e
+        rescue => e
           match = false
           Rails.logger.error "can't use match rule #{value} on #{mail[ key.to_sym ]}"
           Rails.logger.error e.inspect

app/models/channel/imap.rb

@@ -29,7 +29,7 @@ class Channel::IMAP < Channel::EmailParser
     # try LOGIN, if not - try plain
     begin
       @imap.authenticate( 'LOGIN', channel[:options][:user], channel[:options][:password] )
-    rescue Exception => e
+    rescue => e
       if e.to_s !~ /(unsupported\s(authenticate|authentication)\smechanism|not\ssupported)/i
         raise e
       end

app/models/channel/twitter2.rb

@@ -112,7 +112,7 @@ class Channel::TWITTER2
     elsif tweet.respond_to?('from_user_id')
       begin
         sender = @client.user(tweet.from_user_id)
-      rescue Exception => e
+      rescue => e
         Rails.logger.error 'Exception: twitter: ' + e.inspect
         return
       end

lib/auth/ldap.rb

@@ -21,7 +21,7 @@ module Auth::Ldap
         Rails.logger.info "Can't bind to '#{config[:host]}', #{ldap.get_operation_result.code}, #{ldap.get_operation_result.message}"
         return
       end
-    rescue Exception => e
+    rescue => e
       Rails.logger.info "Can't connect to '#{config[:host]}', #{e}"
       return
     end

lib/cache.rb

@@ -32,7 +32,7 @@ write a cache
     end
     begin
       Rails.cache.write( key.to_s, data, params)
-    rescue Exception => e
+    rescue => e
       Rails.logger.error "NOTICE: #{e.message}"
     end
   end

lib/rss.rb

@@ -27,7 +27,7 @@ module Rss
         break item if fetched == limit.to_i
       }
       Cache.write( cache_key, items, expires_in: 4.hours )
-    rescue Exception => e
+    rescue => e
       Rails.logger.error "can't fetch #{url}"
       Rails.logger.error e.inspect
       return

lib/sessions.rb

@@ -266,7 +266,7 @@ returns
           data[:user] = data_json['user'] # for compat. reasons
         end
       }
-    rescue Exception => e
+    rescue => e
       Rails.logger.error e.inspect
       destory(client_id)
       Rails.logger.error "ERROR: reading session file '#{session_file}', remove session."

lib/time_calculation.rb

@@ -23,7 +23,7 @@ put working hours matrix and timezone in function, returns UTC working hours mat
     if timezone
       begin
         time_diff = Time.zone.parse(start_time.to_s).in_time_zone(timezone).utc_offset
-     rescue Exception => e
+     rescue => e
        Rails.logger.error "Can't fine tomezone #{timezone}"
        Rails.logger.error e.inspect
        Rails.logger.error e.backtrace

lib/user_agent.rb

@@ -57,7 +57,7 @@ returns
     begin
       response = http.request(request)
       return process(response, uri, count, params, options)
-    rescue Exception => e
+    rescue => e
       return Result.new(
         error: e.inspect,
         success: false,
@@ -105,7 +105,7 @@ returns
     begin
       response = http.request(request)
       return process(response, uri, count, params, options)
-    rescue Exception => e
+    rescue => e
       return Result.new(
         error: e.inspect,
         success: false,
@@ -153,7 +153,7 @@ returns
     begin
       response = http.request(request)
       return process(response, uri, count, params, options)
-    rescue Exception => e
+    rescue => e
       return Result.new(
         error: e.inspect,
         success: false,
@@ -194,7 +194,7 @@ returns
     begin
       response = http.request(request)
       return process(response, uri, count, {}, options)
-    rescue Exception => e
+    rescue => e
       return Result.new(
         error: e.inspect,
         success: false,