Frequent crashes on NFD build since last update. Logs indicate the exception is
[2016-03-20 20:30:00] [SIMULATION] checking sectors to plan activity.... (7, 15, -48) to (15, 23, -40)
[2016-03-20 20:30:00] Exiting (normal) because of exception java.lang.IllegalArgumentException: Comparison method violates its general contract!
[2016-03-20 20:30:00] java.lang.IllegalArgumentException: Comparison method violates its general contract!
[2016-03-20 20:30:00] at java.util.TimSort.mergeLo(Unknown Source)
[2016-03-20 20:30:00] at java.util.TimSort.mergeAt(Unknown Source)
[2016-03-20 20:30:00] at java.util.TimSort.mergeCollapse(Unknown Source)
[2016-03-20 20:30:00] at java.util.TimSort.sort(Unknown Source)
[2016-03-20 20:30:00] at java.util.Arrays.sort(Unknown Source)
[2016-03-20 20:30:00] at java.util.ArrayList.sort(Unknown Source)
[2016-03-20 20:30:00] at java.util.Collections.sort(Unknown Source)
[2016-03-20 20:30:00] at obfuscated.aql.a(SourceFile:359)
[2016-03-20 20:30:00] at obfuscated.aql.a(SourceFile:332)
[2016-03-20 20:30:00] at obfuscated.aql.a(SourceFile:126)
[2016-03-20 20:30:00] at obfuscated.aqC.a(SourceFile:21)
[2016-03-20 20:30:00] at obfuscated.aql.a(SourceFile:601)
[2016-03-20 20:30:00] at org.schema.game.server.controller.GameServerController.update(SourceFile:1112)
[2016-03-20 20:30:00] at org.schema.schine.network.server.ServerController.run(SourceFile:256)
[2016-03-20 20:30:00] at java.lang.Thread.run(Unknown Source)
[2016-03-20 20:30:00] [SERVER] SERVER SHUTDOWN. Dumping server State!