lib/fluent/plugin/in_tail.rb in fluentd-0.10.18 vs lib/fluent/plugin/in_tail.rb in fluentd-0.10.19

@@ -259,11 +259,11 @@
       def initialize(io, pe, &receive_lines)
         $log.info "following tail of #{io.path}"
         @io = io
         @pe = pe
         @receive_lines = receive_lines
-        @buffer = ''
-        @iobuf = ''
+        @buffer = ''.force_encoding('ASCII-8BIT')
+        @iobuf = ''.force_encoding('ASCII-8BIT')
       end
 
       attr_reader :io
 
       def on_notify