Infinity Evolved Server Crash on Startup

[bobgrey1997]

I run an FTB Infinity Evolved 3.0.1 server on Minecraft 1.7.10, from CreeperHost using Multicraft. Earlier this morning, there were two of us on the server, then it crashed. On restarting, it crashed again. Here is all the log does:
03.04 13:47:54 [Multicraft] Server shut down (starting)
03.04 13:47:54 [Multicraft] Restarting crashed server in 5 seconds
03.04 13:47:54 [Multicraft] Server stopped
03.04 13:47:59 [Multicraft] Loading server properties
03.04 13:47:59 [Multicraft] Starting server!
03.04 13:47:59 [Multicraft] Loaded config for "Mod: Upload your custom jar in your server directory and name it: custom.jar"
03.04 13:47:59 [Multicraft] Updating eula.txt file
03.04 13:48:14 [Multicraft] Server shut down (starting)
03.04 13:48:14 [Multicraft] Restarting crashed server in 5 seconds
03.04 13:48:14 [Multicraft] Server stopped
03.04 13:48:19 [Multicraft] Loading server properties
03.04 13:48:19 [Multicraft] Starting server!
03.04 13:48:19 [Multicraft] Loaded config for "Mod: Upload your custom jar in your server directory and name it: custom.jar"
03.04 13:48:19 [Multicraft] Updating eula.txt file

Odd thing that I see is "Loaded config for "Mod: Upload your custom jar in your server directory and name it: custome.jar""
Our "Mod" is the entire FTB Infinity Evolved, plus the Realistic Terrain Generation mod, which we use on the main Overworld, and it is in the server! RTG works, because we have had no issues out of it in the week that we have been using it.

The server also wiped some of the crash logs and now refuses to write any new ones...

I am currently trying to upload an earlier backup of the world files...

 

[bobgrey1997]

So, there is no one who knows anything about this?

 

[LordPINE]

This appears to be a problem with the host, not with the server itself. You should be able to somewhere specify what jar to launch the server from. You need to select the forge-universal-12356.jar for this, obviously with the correct numbers.

 

[bobgrey1997]

Thank you for the response. The hose notified us that everything was going as usual on their end.
We did find the issue:
There is a file in the root directory named "usercache.json" or "playercache.json" (can't remember which now) that was causing the server to crash on startup. When we deleted it, the server started up immediately, but crashed upon loading the world files, hinting to a corrupt world file, which we replaced with a backup, and it then loaded fine.