I made my own server not too long ago. Everything was going fine when I would play with my friends. But then we wanted to try and play a custom map. So we downloaded it and I installed it. The map loads perfectly fine, but in some areas we will destroy blocks, but then we can't walk forward to pick up the block. In a couple seconds it will just respawn. I know this sometimes happens when you're just lagging, but this is not the case. This only happens in the relative ares of our spawn point. I've restarted the server countless times, restarted minecraft, restarted hamachi, and it still happens to us. If you have any other questions just ask. I'm kind of lost right now /:
I even took my computer to my friends house and played there. Neither of us lagged, and the server was running fine. That was yesterday. It's still doing it today.
Blocks won't stay destroyed