lib/semantic_logger/formatters/logfmt.rb in semantic_logger-4.11.0 vs lib/semantic_logger/formatters/logfmt.rb in semantic_logger-4.12.0

@@ -60,10 +60,15 @@
         @parsed = @parsed.merge(@raw[:exception])
       end
 
       def flatten_log
         flattened = @parsed.map do |key, value|
-          "#{key}=#{value.to_json}"
+          case value
+          when Hash, Array
+            "#{key}=#{value.to_s.to_json}"
+          else
+            "#{key}=#{value.to_json}"
+          end
         end
 
         flattened.join(" ")
       end
     end