Server refusing connections after startup/error

[acer5200]

Title: Server refusing connections after startup/error

Version: 3.1.2

OS: Centos

Java Version: 7

Description of Problem:

Honestly no idea WHAT is causing it, but after this specific error, nobody is able to login even though the server shows as online in console.

Error Messages:

Error Log:

2012-11-28 11:26:19 [sEVERE] java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

2012-11-28 11:26:19 [sEVERE] 	at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

2012-11-28 11:26:19 [sEVERE] 	at net.minecraft.server.World.tickEntities(World.java:1189)

2012-11-28 11:26:19 [sEVERE] 	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

2012-11-28 11:26:19 [sEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

2012-11-28 11:26:19 [sEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-11-28 11:26:19 [sEVERE] Unexpected exception

java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

	at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

	at net.minecraft.server.World.tickEntities(World.java:1189)

	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)



while in the middle of gameplay



After startup:



2012-11-28 14:06:38 [sEVERE] java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

2012-11-28 14:06:38 [sEVERE] 	at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

2012-11-28 14:06:38 [sEVERE] 	at net.minecraft.server.World.tickEntities(World.java:1189)

2012-11-28 14:06:38 [sEVERE] 	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

2012-11-28 14:06:38 [sEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

2012-11-28 14:06:38 [sEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-11-28 14:06:38 [sEVERE] Unexpected exception

java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V

	at buildcraft.energy.TileEngine.q_(TileEngine.java:126)

	at net.minecraft.server.World.tickEntities(World.java:1189)

	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:559)

	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:457)

	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)

2012-11-28 14:14:55 [iNFO] [37;1m[36;1m[VontraCraft][37;1m [31;1m Need help? Do /modreq for staff assistance![m

2012-11-28 14:16:34 [iNFO] GroupManager - INFO -  Data files refreshed.

[acer5200]

H'm. Removing the BuildCraft API in the RailCraft mod seems to have worked as suggested in this thread

Thanks Jelato Foot and all the other posters from that thread.