Failed to create mob error
Weylend opened this issue ยท 2 comments
geologicexpansion-1.0.1-1.20.1-fabric.jar
fabric-api-0.91.0+1.20.1.jar
Failed to create mob
com.ishland.uwrad.common.CheckedThreadLocalRandom$1: ThreadLocalRandom accessed from a different thread (owner: Server thread, current: Worker-Main-697)
Possible solutions: Find possible causes in the stack trace below and report to the corresponding mod authors
(You may make this a fatal warning instead of a hard crash with enforce_safe_world_random_access setting in uwrad.properties)
Caused by: java.util.ConcurrentModificationException: ThreadLocalRandom accessed from a different thread (owner: Server thread, current: Worker-Main-697)
at com.ishland.uwrad.common.CheckedThreadLocalRandom.handleNotOwner(CheckedThreadLocalRandom.java:51) ~[%5Bserver%5D%20unsafe-world-random-access-detector-1.1.0.jar:?]
at com.ishland.uwrad.common.CheckedThreadLocalRandom.isSafe(CheckedThreadLocalRandom.java:38) ~[%5Bserver%5D%20unsafe-world-random-access-detector-1.1.0.jar:?]
at com.ishland.uwrad.common.CheckedThreadLocalRandom.method_43156(CheckedThreadLocalRandom.java:82) ~[%5Bserver%5D%20unsafe-world-random-access-detector-1.1.0.jar:?]
at net.minecraft.class_6566.method_43048(class_6566.java:33) ~[server-intermediary.jar:?]
at net.minecraft.class_3532.method_32751(net/minecraft/class_3532.java:734) ~[server-intermediary.jar:?]
at net.minecraft.class_6019.method_35008(class_6019.java:39) ~[server-intermediary.jar:?]
at com.blackgear.geologicexpansion.common.entity.duck.Duck.<init>(Duck.java:117) ~[geologicexpansion-1.0.1-1.20.1-fabric.jar:?]
at net.minecraft.class_1299.method_5883(net/minecraft/class_1299.java:544) ~[server-intermediary.jar:?]
at net.minecraft.class_1948.method_8661(net/minecraft/class_1948.java:518) ~[server-intermediary.jar:?]
at net.minecraft.class_3754.method_12107(net/minecraft/class_3754.java:453) ~[server-intermediary.jar:?]
at net.minecraft.class_2806.method_17033(net/minecraft/class_2806.java:140) ~[server-intermediary.jar:?]
at net.minecraft.class_2806$class_3768.doWork(class_2806.java:309) ~[server-intermediary.jar:?]
at net.minecraft.class_2806.method_12154(net/minecraft/class_2806.java:252) ~[server-intermediary.jar:?]
at net.minecraft.class_3898.method_17225(net/minecraft/class_3898.java:684) ~[server-intermediary.jar:?]
at com.mojang.datafixers.util.Either$Left.map(Either.java:38) ~[datafixerupper-6.0.8.jar:?]
at net.minecraft.class_3898.method_17224(net/minecraft/class_3898.java:673) ~[server-intermediary.jar:?]
at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1150) ~[?:?]
at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482) ~[?:?]
at net.minecraft.class_3900.method_17634(class_3900.java:62) ~[server-intermediary.jar:?]
at net.minecraft.class_3846.method_16907(class_3846.java:91) ~[server-intermediary.jar:?]
at net.minecraft.class_3846.method_16900(class_3846.java:146) ~[server-intermediary.jar:?]
at net.minecraft.class_3846.run(class_3846.java:102) ~[server-intermediary.jar:?]
at java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1395) ~[?:?]
at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373) ~[?:?]
at java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182) ~[?:?]
at java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655) ~[?:?]
at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622) ~[?:?]
at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165) ~[?:?]
Hello, here to chime in on this issue since I found the root cause. It looks like the Duck class is trying to use the level's random in its constructor, which it shouldn't do since the construction of the entity doesn't happen on the server thread. I'll make a PR that resolves this issue, but given that this mod hasn't seen any activity, I doubt it will get merged.