Problem Wierd java error then crash.

[akamanu]

Hey guys, have any of you seen this error or know what can be causing it? The server just crashes and I get this error.

2013-04-03 14:06:36 [INFO] [STDERR] java.util.ConcurrentModificationException
2013-04-03 14:06:36 [INFO] [STDERR] at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
2013-04-03 14:06:36 [INFO] [STDERR] at java.util.HashMap$ValueIterator.next(Unknown Source)
2013-04-03 14:06:36 [INFO] [STDERR] at bq.a(SourceFile:24)
2013-04-03 14:06:36 [INFO] [STDERR] at cd.a(SourceFile:114)
2013-04-03 14:06:36 [INFO] [STDERR] at bq.a(SourceFile:25)
2013-04-03 14:06:36 [INFO] [STDERR] at cd.a(SourceFile:114)
2013-04-03 14:06:36 [INFO] [STDERR] at bq.a(SourceFile:25)
2013-04-03 14:06:36 [INFO] [STDERR] at by.a(SourceFile:26)
2013-04-03 14:06:36 [INFO] [STDERR] at cd.a(SourceFile:114)
2013-04-03 14:06:36 [INFO] [STDERR] at bq.a(SourceFile:25)
2013-04-03 14:06:36 [INFO] [STDERR] at cd.a(SourceFile:114)
2013-04-03 14:06:36 [INFO] [STDERR] at bq.a(SourceFile:25)
2013-04-03 14:06:36 [INFO] [STDERR] at cd.a(SourceFile:114)
2013-04-03 14:06:36 [INFO] [STDERR] at ca.a(CompressedStreamTools.java:140)
2013-04-03 14:06:36 [INFO] [STDERR] at aam.a(AnvilChunkLoader.java:198)
2013-04-03 14:06:36 [INFO] [STDERR] at aam.c(AnvilChunkLoader.java:184)
2013-04-03 14:06:36 [INFO] [STDERR] at aiw.b(SourceFile:29)
2013-04-03 14:06:36 [INFO] [STDERR] at aiw.run(SourceFile:22)
2013-04-03 14:06:36 [INFO] [STDERR] at java.lang.Thread.run(Unknown Source)

Thxs in advance.

/manu

 

[N W]

are you trying to log in then this happens or does it do this as soon as it starts?
also. is it a old world (loaded it before)

 

[akamanu]

are you trying to log in then this happens or does it do this as soon as it starts?
also. is it a old world (loaded it before)

Happens randomly when playing, sometimes it can be hours sometimes 30 minutes.
/manu

 

[Daitcho]

having the exact same issue hope you find a fix