Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

java.lang.NullPointerException: 	at net.minecraft.server.management.PlayerChunkMapEntry.accept(SourceFile:74)	at net.minecraft.server.management.PlayerChunkMapEntry.accept(SourceFile:47)	at net.minecraftforge.common.chunkio.ChunkIOProvider.runCallbacks(ChunkIOProvider.java:128)	at net.minecraftforge.common.chunkio.ChunkIOProvider.syncCallback(ChunkIOProvider.java:85)	at net.minecraftforge.common.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:150)	at net.minecraft.server.MinecraftServer.tickChunkLoader(SourceFile:39)	at net.minecraft.server.MinecraftServer.func_71190_q(SourceFile:139)	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(SourceFile:338)	at net.minecraft.server.MinecraftServer.func_71217_p(SourceFile:554)	at net.minecraft.server.MinecraftServer.run(SourceFile:458)	at java.lang.Thread.run(Unknown Source)