Quote from BestMinerGavin
Hmmm... Doesn't seem to crash with CraftBukkit, but the only thing is is that now it's 1.5.2., and we have 1.6.2. plugins. Will that cause issues?
I notice the server crashes when I do /gm
Yes, it will probably cause issues. Make sure the plugins are the appropriate version. You can download older versions if you dig a bit deeper.