1 files changed, 14 insertions, 3 deletions
diff --git a/lib/net/protocol.rb b/lib/net/protocol.rb
index 02a469cc0de..01b659f72f0 100644
--- a/lib/net/protocol.rb
+++ b/lib/net/protocol.rb
@@ -68,7 +68,7 @@ Object
 
   class Protocol
 
-    Version = '1.1.20'
+    Version = '1.1.21'
 
     class << self
 
@@ -295,8 +295,8 @@ Object
     attr_reader :code_type, :code, :message
     alias msg message
 
-    def error!
-      raise @code_type.error_type, @code + ' ' + Net.quote(@message)
+    def error!( data = nil )
+      raise code_type.error_type.new( code + ' ' + Net.quote(msg), data )
     end
 
   end
@@ -312,6 +312,17 @@ Object
   class ProtoRetriableError    < ProtocolError; end
   ProtocRetryError = ProtoRetriableError
 
+  class ProtocolError
+  
+    def initialize( msg, data )
+      super msg
+      @data = data
+    end
+
+    attr :data
+  
+  end
+
 
   class Code