Solved Custom Death Message Error

Hello there.
Today I'm trying to make custom death messages but get a massive error.

The Code:
http://pastebin.com/aS3ydhMy

The Error:
http://pastebin.com/9C1Pqzwv

 

You are getting the killer of the player even if he did not die by a player.
you could do it more effective you can simply fix it by changing this:

Code:

                Player dead = e.getEntity().getPlayer();
                Player killer = e.getEntity().getKiller();
                String deadName = dead.getName();
                String killerName = killer.getName();

to this

Code:

                Player dead = e.getEntity().getPlayer();
                Player killer = e.getEntity().getKiller();
                String deadName = dead.getName();
                String killerName = "nobody";
                if(killer != null) {
                       killerName = killer.getName();
                }

 

@Timbals
Cheers, I'll try that tomorrow.

@Timbals
It's telling me to add a SuppressWaring to onDeathEvent. And it still gives me the same error.

EDIT: I'd put

Code:

if (killer == null)

Thanks for your help!

EDIT by Moderator: merged posts, please use the edit button instead of double posting.