Merge pull request #631 from hokuts/master

handling SocketError

Author: badboy

lib/redis/client.rb

@@ -334,6 +334,7 @@ def establish_connection
       @connection = @options[:driver].connect(@options)
       @pending_reads = 0
     rescue TimeoutError,
+           SocketError,
            Errno::ECONNREFUSED,
            Errno::EHOSTDOWN,
            Errno::EHOSTUNREACH,