FTB Monster world not loading after crash. Recoverable?

[romangoro]

Hi, all. Sorry if this isn't the right place for this post.

My PC crashed while playing my singleplayer FTB Monster . I think I saw a NullPointerException on the logs before the whole computer went down. Now that world doesn't load, although creating a new one does work.

Here's (what I think are) the relevant parts of the log:

2014-12-10 22:19:37 [INFO] [Aroma1997Core] Starting up server.
2014-12-10 22:19:37 [SEVERE] [extracells] Skipping event FMLServerStartingEvent and marking errored mod extracells since required dependency AppliedEnergistics has errored
2014-12-10 22:19:40 [INFO] [MineTweaker] -- Starting Server --
2014-12-10 22:19:40 [SEVERE] [ForgeModLoader] Fatal errors were detected during the transition from SERVER_ABOUT_TO_START to SERVER_STARTING. Loading cannot continue
2014-12-10 22:19:40 [SEVERE] [ForgeModLoader] 

[cut a long list of mods]

2014-12-10 22:19:40 [SEVERE] [ForgeModLoader] The following problems were captured during this phase
2014-12-10 22:19:40 [SEVERE] [ForgeModLoader] Caught exception from AppliedEnergistics
java.lang.RuntimeException: Unknown character 'nown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
    [cut some of the stacktrace]

2014-12-10 22:19:40 [SEVERE] [ForgeModLoader] A fatal exception occurred during the server starting event
java.lang.RuntimeException: Unknown character 'n.LoadController.distributeStateMessage(LoadController.java:112)
    at cpw.mods.fml.common.Loader.serverStarting(Loader.java:748)
    at cpw.mods.fml.common.FMLCommonHandler.handleServerStarting(FMLCommonHandler.java:314)
    at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:109)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:445)
    at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
2014-12-10 22:19:40 [INFO] [Minecraft-Server] Stopping server

So, the question is: can this world be recovered, or should I say good bye to it and start a new one?

(Full log not attached. Tried, couldnt.)

 

[buggirlexpres]

Try posting the log on pastebin or FTB Paste. As it stands, it appears you have a misplaced character in one of your files, but I don't know which one.

 

[Solarstrike]

yea.

 

[romangoro]

Is too big for a single pastebin, will try FTB paste or split on a few pastebins later.

 

[romangoro]

FTB Paste doesn't like me, I'll have to split it for pastebin. Unless uploading a compressed log is ok?

 

[b0bst3r]

Try http://pastebin.ubuntu.com/ it holds much more text

 

[romangoro]

Great option! Here you go

http://pastebin.ubuntu.com/9481836/

 

[Slind]

Copy the world into a fresh modpack/server setup. One of the configs might be corrupted.

 

[romangoro]

I'll try that. However, notice that creating a new world does work, so that might not fix it.

 

[romangoro]

Nope, didn't work. Honestly didn't expect it to.

 

[Slind]

Mhh, does it create a crash report. Normally this type of crash references to a file on your computer. Another you could try is to delete/rename your player file. If this also doesn't work try to copy the region files at world/region into the new worlds one

 

[romangoro]

Neither of those ideas worked. I had faith on the second, but after replacing the regions, it still launches me into the new world.

What did work is re-creating the world and then replacing the region and (what I understand is) the player file (in world/players, right?) However, I lost all the player had, it only has the new world's inventory on himself.

I'll try a few things to see if I can recover that, but the bigger problem is solved. Thanks for all the answers.

 

[Slind]

Google "nbt explorer/editor" and you will find tools that allow you to copy over mod progress (e.g. thaumcraft, bloodmagic) and inventory. I would recommend to do ones at a time if the player file is the one that caused this. It might just be one of the items in the inventory or an active potion effect.

 

[b0bst3r]

Back up your world/save before doing this as I don't know what the below file supposedly contains.

I honestly don't know if this will fix it or not but try renaming monster\minecraft\saves\worldname\data\appeng.dat and see if that fixes it.

 

[romangoro]

Yes! appeng.dat, that was the one. I found it on my own, but that was exactly the right file. Again, thanks a lot to everyone!