lib/djb/tai64n.rb in multilog-collector-0.3.1 vs lib/djb/tai64n.rb in multilog-collector-0.3.3

@@ -3,10 +3,10 @@
 module Djb
   module Tai64n
     # Thanks.
     # http://d.hatena.ne.jp/unageanu/20091207
     def self.to_local tai
-      raise "illegal format" unless tai =~ /\@40000000([\da-f]{8})([\da-f]{8})/
+      raise "illegal format: #{tai}" unless tai =~ /\@40000000([\da-f]{8})([\da-f]{8})/
       Time.at($1.hex-10, $2.hex/1000.0)
     end
   end
 end