i am running my vanilla server under MCMYadmin and accidentally hit upgrade server last night and somehow it was set to snapshot instead of official build. needless to say i did NOT want to move off 1.7.4. it "upgraded" to 14w11b so i stopped the server and downgraded it. unfortunately in the process i lost all player inventories, enderchests and world chests. i recovered the player inventories and enderchests but 90% of world chests are now empty, especially in loaded chunks.

those arent a big deal but i am getting this error in the console.

Console : s: Saving entity NBT
Console : at qx.e(SourceFile:1048)
Console : at qx.d(SourceFile:1015)
Console : at aph.a(SourceFile:209)
Console : at aph.a(SourceFile:96)
Console : at mr.b(SourceFile:151)
Console : at mr.a(SourceFile:180)
Console : at ms.a(SourceFile:603)
Console : at net.minecraft.server.MinecraftServer.a(SourceFile:278)
Console : at net.minecraft.server.MinecraftServer.u(SourceFile:461)
Console : at net.minecraft.server.MinecraftServer.run(SourceFile:359)
Console : at lh.run(SourceFile:618)
Console : Caused by: java.lang.NullPointerException
Console : at afk.i(SourceFile:106)
Console : at afl.a(SourceFile:123)
Console : at xs.b(SourceFile:166)
Console : at qx.e(SourceFile:1036)
Console : ... 10 more

it keeps repeating itself over and over. i brought the world into MCEdit and tried to repair and it did something but the error did not go away. i cant seem to find on google much about this. anyone have any suggestions? is this fixable? is my world completely corrupted now?

fortunately it is a very small server that only serves a few people but a lot of work has gone into builds there and would like to keep as much has possible.

apparently items are different under 1.8 but not exactly sure what has happened. I have been googling this down and keep coming across villager related errors. quite a few villagers lost their trading ability including my infinite paper trader and in 1.8 villagers changed a lot as well. this update is becoming more and more irritating.

so I have been killing off villagers to see if the codes go away.

here is most curious one, still same errors but with levels ifi am reading it correctly:

Console : [13:14:09] [Server thread/INFO]: Stopping the server
Console : [13:14:09] [Server thread/INFO]: Stopping server
Console : [13:14:09] [Server thread/INFO]: Saving players
Console : [13:14:09] [Server thread/INFO]: Saving worlds
Console : [13:14:09] [Server thread/INFO]: Saving chunks for level 'prOkrEAt'/Overworld
Console : s: Saving entity NBT
Console : [13:14:09] [Server thread/INFO]: Saving chunks for level 'prOkrEAt'/Nether
Console : at qx.e(SourceFile:1048)
Console : [13:14:09] [Server thread/INFO]: Saving chunks for level 'prOkrEAt'/The End
Console : at qx.d(SourceFile:1015)
Console : at aph.a(SourceFile:209)
Console : at aph.a(SourceFile:96)
Console : at mr.b(SourceFile:151)
Console : at mr.a(SourceFile:180)
Console : at ms.a(SourceFile:603)
Console : at net.minecraft.server.MinecraftServer.a(SourceFile:278)
Console : at net.minecraft.server.MinecraftServer.o(SourceFile:298)
Console : at net.minecraft.server.MinecraftServer.run(SourceFile:391)
Console : at lh.run(SourceFile:618)
Console : Caused by: java.lang.NullPointerException
Console : at afk.i(SourceFile:106)
Console : at afl.a(SourceFile:123)
Console : at xs.b(SourceFile:166)
Console : at qx.e(SourceFile:1036)
Console : ... 10 more
Console : [13:14:11] [Server Shutdown Thread/INFO]: Stopping server
Console : [13:14:11] [Server Shutdown Thread/INFO]: Saving players
Notice : Minecraft server has stopped running.

seems one is in the nether, and rest in the end.

no villagers in either place. the end however did keep items in the chests and in item frames.

also I have been using MCEdit to try and resolve this and there after doing a ctrl+I>Repair Regions it says to see the console window for details. I don't know how or where to access that. I googled that and don't see how either.

If no one can explain error codes in order to fix, is this world now forever corrupt and problematic?