logstash_timestamp.rb in logstash-output-mongodb-3.1.6

- old
+ new

@@ -23,11 +23,11 @@
   module LogStashTimestamp
 
     # A time is type 0x09 in the BSON spec.
     BSON_TYPE = 9.chr.force_encoding(BINARY).freeze
 
-    def to_bson(encoded = ''.force_encoding(BINARY))
-      time.to_bson(encoded)
+    def to_bson(buffer = ByteBuffer.new)
+      time.to_bson(buffer)
     end
 
     module ClassMethods
       # Deserialize UTC time from BSON.
       # @param [ BSON ] bson encoded time.