Minecraft Logs

Here are some anomalies from the Minecraft log files:

2011-10-27 08:24:05 [INFO] kiijkasa [/129.89.10.150:8022] logged in with entity id 27886 at ([world]
 609.28125, 17.0, -22.3125)
2011-10-27 08:25:31 [INFO] kiijkasa [/129.89.10.150:53780] logged in with entity id 29303 at ([world
] 343.71875, 20.15625, -25.46875)
2011-10-27 08:25:33 [SEVERE] java.net.SocketException: Socket closed
2011-10-27 08:25:33 [SEVERE]    at java.net.SocketOutputStream.socketWrite(Unknown Source)
2011-10-27 08:25:33 [SEVERE]    at java.net.SocketOutputStream.write(Unknown Source)
2011-10-27 08:25:33 [SEVERE]    at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
2011-10-27 08:25:33 [SEVERE]    at java.io.BufferedOutputStream.flush(Unknown Source)
2011-10-27 08:25:33 [SEVERE]    at java.io.DataOutputStream.flush(Unknown Source)
2011-10-27 08:25:33 [SEVERE]    at net.minecraft.server.NetworkWriterThread.run(SourceFile:104)
2011-10-27 08:25:33 [INFO] Connection reset
2011-10-27 08:30:01 [INFO] CONSOLE: Disabling level saving..ESC[0m
2011-10-27 08:30:01 [INFO] CONSOLE: Forcing save..ESC[0m
2011-10-27 08:30:03 [INFO] CONSOLE: Save complete.ESC[0m
2011-10-27 08:30:13 [INFO] CONSOLE: Enabling level saving..ESC[0m
2011-10-27 08:49:03 [INFO] Read timed out
2011-10-27 08:49:03 [SEVERE] java.net.SocketException: Socket closed
2011-10-27 08:49:03 [SEVERE]    at java.net.SocketOutputStream.socketWrite(Unknown Source)
2011-10-27 08:49:03 [SEVERE]    at java.net.SocketOutputStream.write(Unknown Source)
2011-10-27 08:49:03 [SEVERE]    at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
2011-10-27 08:49:03 [SEVERE]    at java.io.BufferedOutputStream.flush(Unknown Source)
2011-10-27 08:49:03 [SEVERE]    at java.io.DataOutputStream.flush(Unknown Source)
2011-10-27 08:49:03 [SEVERE]    at net.minecraft.server.NetworkWriterThread.run(SourceFile:104)
2011-10-27 08:49:03 [INFO] kiijkasa lost connection: disconnect.endOfStream
2011-10-27 05:30:43 [INFO] [PLAYER_COMMAND] junltd: /back
2011-10-27 05:45:58 [INFO] [PLAYER_COMMAND] junltd: /home
2011-10-27 05:46:06 [INFO] Connection reset
2011-10-27 05:46:06 [SEVERE] java.net.SocketException: Socket closed
2011-10-27 05:46:06 [SEVERE]    at java.net.SocketOutputStream.socketWrite(Unknown Source)
2011-10-27 05:46:06 [SEVERE]    at java.net.SocketOutputStream.write(Unknown Source)
2011-10-27 05:46:06 [SEVERE]    at java.io.BufferedOutputStream.flushBuffer(Unknown Source)
2011-10-27 05:46:06 [SEVERE]    at java.io.BufferedOutputStream.flush(Unknown Source)
2011-10-27 05:46:06 [SEVERE]    at java.io.DataOutputStream.flush(Unknown Source)
2011-10-27 05:46:06 [SEVERE]    at net.minecraft.server.NetworkWriterThread.run(SourceFile:104)
2011-10-27 05:46:06 [INFO] junltd lost connection: disconnect.quitting

Chad, I can have the server grep the logs for [SEVERE] automatically and send you copies when it finds them, if you’d like.

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  1. #1 by Chadwick on October 28, 2011 - 4:41 PM

    You could, but right now it’s looking like it’s the same exception each time, unless I’m mistaken. Is that simply the router causing that (which is what I think I got from our text message convo), or is that occurring somewhere else?

    • #2 by Joshua on October 28, 2011 - 6:25 PM

      It seems we have two problems: this one which, from the conversations in the forums, seems to be a network-related issue. Since the server shows 0 errors on the NIC and the router shows around 10K errors (on a 4-year uptime), I’m inclined to think that the router is the main problem.

      The other problem is the chunks disappearing – that one I’ve nailed down to two main causes: the Minecraft server using up all the available RAM (because I told it to) and having no space left for caching the world data (this issue will be fixed at tonight’s Minecraft server restart at 3:03 AM) and also that the database used for some items (notably, the portals) has a bottleneck because Drupal 5 (which powers the websites) is not very friendly to other processes that want to use the database. That I’ll address in the coming weeks as I migrate to Drupal 7 which is much better on DB usage.

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