Server Log:

[15:35:15] [Server thread/INFO]: Starting minecraft server version 1.7.2
[15:35:16] [Server thread/INFO]: Loading properties
[15:35:16] [Server thread/INFO]: Default game type: SURVIVAL
[15:35:16] [Server thread/INFO]: Generating keypair
[15:35:17] [Server thread/INFO]: Starting Minecraft server on *:25565
[15:35:19] [Server thread/INFO]: This server is running CraftBukkit version git-Bukkit-1.7.2-R0.3-2-g85f5776-b3024jnks (MC: 1.7.2) (Implementing API version 1.7.2-R0.4-SNAPSHOT)
[15:35:20] [Server thread/INFO]: Preparing level "world"
[15:35:20] [Server thread/INFO]: Preparing start region for level 0 (Seed: 2641448663242581668)
[15:35:21] [Thread-7/WARN]: Could not get information about this CraftBukkit version; perhaps you are running a custom one?: IOException
[15:35:21] [Thread-7/WARN]: Could not get latest artifact information: IOException
[15:35:21] [Server thread/INFO]: Preparing spawn area: 1%
[15:35:22] [Server thread/INFO]: Preparing spawn area: 8%
[15:35:23] [Server thread/INFO]: Preparing spawn area: 24%
[15:35:24] [Server thread/INFO]: Preparing spawn area: 44%
[15:35:25] [Server thread/INFO]: Preparing spawn area: 62%
[15:35:26] [Server thread/INFO]: Preparing spawn area: 82%
[15:35:27] [Server thread/INFO]: Preparing spawn area: 99%
[15:35:27] [Server thread/INFO]: Preparing start region for level 1 (Seed: -6334987881253974007)
[15:35:28] [Server thread/INFO]: Preparing spawn area: 12%
[15:35:29] [Server thread/INFO]: Preparing spawn area: 31%
[15:35:30] [Server thread/INFO]: Preparing spawn area: 46%
[15:35:31] [Server thread/INFO]: Preparing spawn area: 55%
[15:35:32] [Server thread/INFO]: Preparing spawn area: 67%
[15:35:33] [Server thread/INFO]: Preparing spawn area: 82%
[15:35:34] [Server thread/INFO]: Preparing spawn area: 98%
[15:35:34] [Server thread/INFO]: Preparing start region for level 2 (Seed: -6334987881253974007)
[15:35:35] [Server thread/INFO]: Preparing spawn area: 48%
[15:35:36] [Server thread/INFO]: Server permissions file permissions.yml is empty, ignoring it
[15:35:36] [Server thread/INFO]: Done (16.498s)! For help, type "help" or "?"
[15:36:00] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 5270ms behind, skipping 105 tick(s)
[15:36:01] [User Authenticator #1/INFO]: UUID of player Georgeownz is cb4625ba5eab4791ad2d4cb6e50b80e3
[15:36:02] [Server thread/INFO]: Georgeownz[/127.0.0.1:62696] logged in with entity id 312 at ([world] 30.47698806490822, 74.0, 148.54248622623527)
[15:36:10] [Server thread/INFO]: Georgeownz issued server command: /hello
[15:36:13] [Server thread/INFO]: Georgeownz issued server command: /help
[15:36:18] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 5994ms behind, skipping 119 tick(s)
[15:36:23] [Server thread/INFO]: CONSOLE: Stopping the server..
[15:36:23] [Server thread/INFO]: Stopping server
[15:36:23] [Server thread/INFO]: Saving players
[15:36:23] [Server thread/INFO]: Georgeownz lost connection: Server closed
[15:36:23] [Server thread/INFO]: Georgeownz left the game.
[15:36:23] [Server thread/INFO]: Saving worlds
[15:36:23] [Server thread/INFO]: Saving chunks for level 'world'/Overworld






plugin.yml

name: MyFirstPlugin
main: me.Phishy.MyFirstPlugin
version: 1.0
commands:
   hello:
      description: Blank description.
      usage: /<command>