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enjin / Enjin-Minecraft-Plugin

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ConcurrentModificationException: null #13

Closed mibby closed 5 years ago

mibby commented 5 years ago

Java 12 Paper dev 175 (Spigot 1.14.4) EnjinMinecraftPlugin v3.5.10

@Favorlock Came across this error in my console.

[20:58:23] [Craft Scheduler Thread - 214/WARN]: [EnjinMinecraftPlugin] Plugin EnjinMinecraftPlugin v3.5.10 generated an exception while executing task 241
java.util.ConcurrentModificationException: null
    at com.enjin.shaded.gson.internal.LinkedTreeMap$LinkedTreeMapIterator.nextNode(LinkedTreeMap.java:541) ~[?:?]
    at com.enjin.shaded.gson.internal.LinkedTreeMap$EntrySet$1.next(LinkedTreeMap.java:565) ~[?:?]
    at com.enjin.shaded.gson.internal.LinkedTreeMap$EntrySet$1.next(LinkedTreeMap.java:563) ~[?:?]
    at com.enjin.shaded.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(MapTypeAdapterFactory.java:206) ~[?:?]
    at com.enjin.shaded.gson.internal.bind.MapTypeAdapterFactory$Adapter.write(MapTypeAdapterFactory.java:145) ~[?:?]
    at com.enjin.shaded.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68) ~[?:?]
    at com.enjin.shaded.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:99) ~[?:?]
    at com.enjin.shaded.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:219) ~[?:?]
    at com.enjin.shaded.gson.Gson.toJson(Gson.java:600) ~[?:?]
    at com.enjin.shaded.gson.Gson.toJson(Gson.java:579) ~[?:?]
    at com.enjin.shaded.gson.Gson.toJson(Gson.java:534) ~[?:?]
    at com.enjin.shaded.gson.Gson.toJson(Gson.java:514) ~[?:?]
    at com.enjin.core.config.JsonConfig.save(JsonConfig.java:54) ~[?:?]
    at com.enjin.bukkit.EnjinMinecraftPlugin.saveRankUpdatesConfiguration(EnjinMinecraftPlugin.java:328) ~[?:?]
    at com.enjin.bukkit.tasks.ConfigSaver.run(ConfigSaver.java:14) ~[?:?]
    at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:84) ~[patched_1.14.4.jar:git-Paper-175]
    at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.14.4.jar:git-Paper-175]
    at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.14.4.jar:git-Paper-175]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) [?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) [?:?]
    at java.lang.Thread.run(Thread.java:835) [?:?]
Favorlock commented 5 years ago

Hi Mibby,

I've attached a development build that has some added synchronization. Could you test this out and let me know if it resolves the issue? Just extract the zip to get the plugin jar.

EnjinMinecraftPlugin.zip

mibby commented 5 years ago

Sure thing, thanks. I'll update today and let you know if I notice any additional errors.

Favorlock commented 5 years ago

If I don't hear back in the next few days I'll assume this issue is resolved and close the this issue.