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via bukkit.org by Unknown author, 1 year ago
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via Google Groups by Thomas Barth, 10 months ago
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via Terracotta Project Issue Tracker by Geert Bevin, 2 years ago
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via Stack Overflow by WhiteLady
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java.util.ConcurrentModificationException: 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)	at java.util.HashMap$EntryIterator.next(HashMap.java:851)	at java.util.HashMap$EntryIterator.next(HashMap.java:849)	at de.V10lator.V10lift.MoveLift.run(MoveLift.java:58)	at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:137)	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:493)	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)	at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)