lib/td/logger/agent/access_log.rb in td-logger-0.2.7 vs lib/td/logger/agent/access_log.rb in td-logger-0.2.8

@@ -20,10 +20,16 @@
   ACCESS_LOG_PRESET_PARAM_KEYS = {
     :controller => :controller,
     :action => :action,
   }
 
+  class MessagePackedString < String
+    def to_msgpack(out = '')
+      out << self
+    end
+  end
+
   def self.enable_access_log(config)
     tag = config.access_log_table
 
     if config.rails_config.respond_to?(:filter_parameters)
       filter_parameters = config.rails_config.filter_parameters
@@ -59,13 +65,15 @@
         end
 
         # merge params
         req.params.each_pair {|key,val|
           key = key.to_sym
-          if !record.has_key?(key) &&
-              !filter_parameters.include?(key) &&
-              val.respond_to?(:to_msgpack)
-            record[key] = val
+          if !record.has_key?(key) && !filter_parameters.include?(key)
+            begin
+              record[key] = val.to_msgpack(MessagePackedString.new)
+            rescue
+              # ignore
+            end
           end
         }
 
         # 'method' column
         if !record.has_key?(:method)