"Failed to update News @ http://minecraftsl.tumblr.com because : java.io.IOException: Invalid Http response"
This is the message I got when I started the client this morning. I went to the website and got this:
(http://i1213.photobucket.com/albums/cc475/H1ru/tumblr.png)
If anyone else encounters this, you can still login and start the game itself without any problems. You just won't see the rest of the text on the client screen.