Hey! I am getting this warning message every so often on my sever, and I was wondering if anyone could help identify the problem. I assume it is from Citizens 2.0 and CommandNPC. The server is running on Spigot 1.11.2
[12:19:53 WARN]: java.util.ConcurrentModificationException
[12:19:53 WARN]: at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
[12:19:53 WARN]: at java.util.ArrayList$Itr.next(ArrayList.java:851)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.anchorNode(Serializer.java:141)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.anchorNode(Serializer.java:145)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.serialize(Serializer.java:108)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:243)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:206)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dump(Yaml.java:181)
[12:19:53 WARN]: at org.bukkit.configuration.file.YamlConfiguration.saveToString(YamlConfiguration.java:39)
[12:19:53 WARN]: at org.bukkit.configuration.file.FileConfiguration.save(FileConfiguration.java:68)
[12:19:53 WARN]: at net.citizensnpcs.api.util.YamlStorage.save(YamlStorage.java:106)
[12:19:53 WARN]: at net.citizensnpcs.api.npc.SimpleNPCDataStore$1.run(SimpleNPCDataStore.java:68)
Hey! I am getting this warning message every so often on my sever, and I was wondering if anyone could help identify the problem. I assume it is from Citizens 2.0 and CommandNPC. The server is running on Spigot 1.11.2
[12:19:53 WARN]: java.util.ConcurrentModificationException
[12:19:53 WARN]: at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
[12:19:53 WARN]: at java.util.ArrayList$Itr.next(ArrayList.java:851)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.anchorNode(Serializer.java:141)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.anchorNode(Serializer.java:145)
[12:19:53 WARN]: at org.yaml.snakeyaml.serializer.Serializer.serialize(Serializer.java:108)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:243)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dumpAll(Yaml.java:206)
[12:19:53 WARN]: at org.yaml.snakeyaml.Yaml.dump(Yaml.java:181)
[12:19:53 WARN]: at org.bukkit.configuration.file.YamlConfiguration.saveToString(YamlConfiguration.java:39)
[12:19:53 WARN]: at org.bukkit.configuration.file.FileConfiguration.save(FileConfiguration.java:68)
[12:19:53 WARN]: at net.citizensnpcs.api.util.YamlStorage.save(YamlStorage.java:106)
[12:19:53 WARN]: at net.citizensnpcs.api.npc.SimpleNPCDataStore$1.run(SimpleNPCDataStore.java:68)
Thanks
Are you using java 7 or 8?