1.0.1 was a server update for Minecraft (Java Edition) released on November 24, 2011,[1] to fix some bugs and crashes in 1.0.0 servers. As a server-only update, 1.0.0 remained the current client version.
Fixes
2 bugs fixed
- "Invalid server key" error fixed when attempting to log into servers.
- "Null pointer exception" error fixed when logging into servers.
References
- ↑ "The minecraft_server.jar has been updated to 1.0.1, fixing the login key problem and a null pointer exception" – @jeb_ (Jens Bergensten) on X, November 24, 2011