I try to open craftbukkit and i get this 161 recipes 17 achievements 14:59:59 [INFO] Starting minecraft server version Beta 1.8.1 14:59:59 [INFO] Loading properties 14:59:59 [INFO] Starting Minecraft server on *:25565 15:00:00 [INFO] This server is running Craftbukkit version git-Bukkit-0.0.0-1131 -g86b7fa8-b1337jnks (MC: 1.8.1) 15:00:02 [INFO] MLog clients using java 1.4+ standard logging. 15:00:02 [INFO] [Pail] Initializing... 15:00:02 [INFO] [Pail] Setting up themes... 15:00:02 [INFO] [Pail] Loading interface... 15:00:02 [INFO] [Pail] Registering events... 15:00:04 [INFO] [Pail] Setting up window... 15:00:04 [INFO] [Pail] Retrieving state... 15:00:04 [INFO] [Pail] Pail 0.7.5 Enabled 15:00:04 [INFO] Preparing level "World One" 15:00:04 [SEVERE] java.io.IOException: Not in GZIP format 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.readHeader(Unknown Sour ce) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at net.minecraft.server.CompressedStreamTools.a(SourceFi le:9) 15:00:04 [SEVERE] at net.minecraft.server.WorldLoader.b(SourceFile:50) 15:00:04 [SEVERE] at net.minecraft.server.WorldLoaderServer.isConvertable( SourceFile:73) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe r.java:169) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:152) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:348) 15:00:04 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:417) 15:00:04 [SEVERE] java.io.IOException: Not in GZIP format 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.readHeader(Unknown Sour ce) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at net.minecraft.server.CompressedStreamTools.a(SourceFi le:9) 15:00:04 [SEVERE] at net.minecraft.server.WorldLoader.b(SourceFile:61) 15:00:04 [SEVERE] at net.minecraft.server.WorldLoaderServer.isConvertable( SourceFile:73) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe r.java:169) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:152) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:348) 15:00:04 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:417) 15:00:04 [INFO] Default game type: 0 15:00:04 [SEVERE] java.io.IOException: Not in GZIP format 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.readHeader(Unknown Sour ce) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at net.minecraft.server.CompressedStreamTools.a(SourceFi le:9) 15:00:04 [SEVERE] at net.minecraft.server.PlayerNBTManager.c(PlayerNBTMana ger.java:93) 15:00:04 [SEVERE] at net.minecraft.server.World.<init>(World.java:128) 15:00:04 [SEVERE] at net.minecraft.server.WorldServer.<init>(WorldServer.j ava:27) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe r.java:191) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:152) 15:00:04 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:348) 15:00:04 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:417) 15:00:04 [SEVERE] java.io.IOException: Not in GZIP format 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.readHeader(Unknown Sour ce) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at java.util.zip.GZIPInputStream.<init>(Unknown Source) 15:00:04 [SEVERE] at net.minecraft.server.CompressedStreamTools.a(SourceFi le:9) 15:00:04 [SEVERE] at net.minecraft.server.PlayerNBTManager.c(PlayerNBTMana ger.java:104) 15:00:04 [SEVERE] at net.minecraft.server.World.<init>(World.java:128) 15:00:04 [SEVERE] at net.minecraft.server.WorldServer.<init>(WorldServer.j ava:27) 15:00:05 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe r.java:191) 15:00:05 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:152) 15:00:05 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:348) 15:00:05 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:417) 15:00:05 [INFO] New max size: 400 15:00:05 [INFO] New max size: 784 15:00:05 [INFO] New max size: 1764 15:00:05 [INFO] New max size: 5476 15:00:05 [INFO] New max size: 18496 15:00:05 [INFO] New max size: 19044 15:00:06 [SEVERE] java.lang.NullPointerException 15:00:06 [SEVERE] at net.minecraft.server.WorldServer.c(WorldServer.java:1 62) 15:00:06 [SEVERE] at net.minecraft.server.World.a(World.java:2224) 15:00:06 [SEVERE] at net.minecraft.server.Chunk.addEntities(Chunk.java:634 ) 15:00:06 [SEVERE] at net.minecraft.server.ChunkProviderServer.getChunkAt(C hunkProviderServer.java:81) 15:00:06 [SEVERE] at net.minecraft.server.ChunkProviderServer.getOrCreateC hunk(ChunkProviderServer.java:106) 15:00:06 [SEVERE] at net.minecraft.server.World.getChunkAt(World.java:300) 15:00:06 [SEVERE] at net.minecraft.server.World.getTypeId(World.java:247) 15:00:06 [SEVERE] at net.minecraft.server.World.isEmpty(World.java:251) 15:00:06 [SEVERE] at net.minecraft.server.World.a(World.java:218) 15:00:06 [SEVERE] at net.minecraft.server.WorldProvider.canSpawn(SourceFil e:50) 15:00:06 [SEVERE] at net.minecraft.server.World.canSpawn(World.java:104) 15:00:06 [SEVERE] at net.minecraft.server.World.c(World.java:202) 15:00:07 [SEVERE] at net.minecraft.server.World.<init>(World.java:150) 15:00:07 [SEVERE] at net.minecraft.server.WorldServer.<init>(WorldServer.j ava:27) 15:00:07 [SEVERE] at net.minecraft.server.MinecraftServer.a(MinecraftServe r.java:191) 15:00:07 [SEVERE] at net.minecraft.server.MinecraftServer.init(MinecraftSe rver.java:152) 15:00:07 [SEVERE] at net.minecraft.server.MinecraftServer.run(MinecraftSer ver.java:348) 15:00:07 [SEVERE] at net.minecraft.server.ThreadServerApplication.run(Sour ceFile:417) 15:00:07 [SEVERE] Unexpected exception java.lang.NullPointerException at net.minecraft.server.WorldServer.c(WorldServer.java:162) at net.minecraft.server.World.a(World.java:2224) at net.minecraft.server.Chunk.addEntities(Chunk.java:634) at net.minecraft.server.ChunkProviderServer.getChunkAt(ChunkProviderServ er.java:81) at net.minecraft.server.ChunkProviderServer.getOrCreateChunk(ChunkProvid erServer.java:106) at net.minecraft.server.World.getChunkAt(World.java:300) at net.minecraft.server.World.getTypeId(World.java:247) at net.minecraft.server.World.isEmpty(World.java:251) at net.minecraft.server.World.a(World.java:218) at net.minecraft.server.WorldProvider.canSpawn(SourceFile:50) at net.minecraft.server.World.canSpawn(World.java:104) at net.minecraft.server.World.c(World.java:202) at net.minecraft.server.World.<init>(World.java:150) at net.minecraft.server.WorldServer.<init>(WorldServer.java:27) at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:191) at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:152) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348) at net.minecraft.server.ThreadServerApplication.run(SourceFile:417) help!!! i dont know whats happening and i dont want delete the world
Your world is broken, but it is fixable. Run Chunkster on it (use search function on forums), or download MCEdit, open the world with it, and simply save it, should also fix.
