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Chunk Loader Issues


Duffa13

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  • Discord Moderator

Looks to be more of an issue related to Ender Storage (another ChickenBones mod):

java.lang.NullPointerException
        at codechicken.enderstorage.storage.item.TileEnderChest.reloadStorage(TileEnderChest.java:98)
        at codechicken.enderstorage.common.TileFrequencyOwner.func_70312_q(TileFrequencyOwner.java:33)

The crash report does list a specific location for the ender chest. Possibly something intended to receive the output of a quarry (which loads its own chunks)? You might try removing the quarry and/or chest using MCEdit if the server crashes anytime the chunk is loaded.

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  • Discord Moderator

It is really dependent on how it happened in the first place.

 

Things you might investigate:

  • Were there any related crashes?
  • When or how often did the server hard-terminate?
  • Has the disk holding the server ever filled up?
  • How are you doing your backups?
  • How often are you doing a world-save?
  • How many concurrent players do you have that warrants having 16G allocated to the server?
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It is really dependent on how it happened in the first place.

 

Things you might investigate:

  • Were there any related crashes?

There was a crash here is the relevant log http://pastebin.com/ugsK5Mxd

  • When or how often did the server hard-terminate?

Not sure what this is?

  • Has the disk holding the server ever filled up?

Not that I am aware of

  • How are you doing your backups?

Backups are run once per 24 hours via a backup script and stored on external ftp backup storage

  • How often are you doing a world-save?

World save every 10 minutes

  • How many concurrent players do you have that warrants having 16G allocated to the server?

We don't really have that many players maybe like 5-15 but I have a dedicated server and plenty of RAM available so it should be no issue dedicating this much RAM?

 

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  • Discord Moderator

Believe it or not, allocating more RAM to the server (or client, for that matter) than one needs is usually a bad idea. All the unnecessary RAM can cause the garbage collector to work harder that it should at times resulting in funky lag spikes and odd behavior. It's usually a good idea to start low and work your way up as needed.

 

By hard-terminate, I just mean hang/crash/improper shutdown. Basically, instances where the internal server logic processes hung and the data on persistent storage (i.e. hard drive) can become inconsistent.

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Does anyone have any idea what this error means?

 

17:53:16
 CONSOLE: 
[sEVERE] java.io.IOException: Stream Closed
17:53:16
 CONSOLE: 
[sEVERE] at java.io.RandomAccessFile.seek(Native Method)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.chunk.storage.RegionFile.func_76712_a(RegionFile.java:347)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.chunk.storage.RegionFile.func_76706_a(RegionFile.java:262)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.chunk.storage.RegionFileChunkBuffer.close(SourceFile:232)
17:53:16
 CONSOLE: 
[sEVERE] at java.util.zip.DeflaterOutputStream.close(DeflaterOutputStream.java:241)
17:53:16
 CONSOLE: 
[sEVERE] at java.io.FilterOutputStream.close(FilterOutputStream.java:160)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75821_a(AnvilChunkLoader.java:314)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.chunk.storage.AnvilChunkLoader.func_75814_c(AnvilChunkLoader.java:299)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.storage.ThreadedFileIOBase.func_75736_b(ThreadedFileIOBase.java:39)
17:53:16
 CONSOLE: 
[sEVERE] at net.minecraft.world.storage.ThreadedFileIOBase.run(ThreadedFileIOBase.java:27)
17:53:16
 CONSOLE: 
[sEVERE] at java.lang.Thread.run(Thread.java:745)
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