lib/memcache.rb in memcache-client-1.8.2 vs lib/memcache.rb in memcache-client-1.8.3

@@ -698,9 +698,10 @@
   # Pick a server to handle the request based on a hash of the key.
 
   def get_server_for_key(key, options = {})
     raise ArgumentError, "illegal character in key #{key.inspect}" if
       key =~ /\s/
+    raise ArgumentError, "key cannot be blank" if key.nil? || key.strip.size == 0
     raise ArgumentError, "key too long #{key.inspect}" if key.length > 250
     raise MemCacheError, "No servers available" if @servers.empty?
     return @servers.first if @servers.length == 1
 
     hkey = hash_for(key)