I am running CraftBukkit dev build 1550. The errors happen when certain players join, or sometimes completely randomly. The server freezes completely when these errors happen and I can't do anything. Here is my plugin list: I am running Java x32 I believe. I get no errors when the server freezes, just a "Read Timed Out" message. The server is running on a Mac OS X 10.6 with the latest Java software. EDIT by Moderator: merged posts, please use the edit button instead of double posting.