Asynchronous World Save

Second occurance of this bug. Originally found and posted about by null_Zer0#2048 and also by TeaferToo#8265

Describe the bug Server crashes when player joining the server To Reproduce Paper and Spigot 1.16 (Same error) join the server fly around until a certain chunk is loaded server crashes

Expected behavior No crashes

Screenshots None needed

Spigot version (please complete the following information): Paper 1.16, spigot 1.16 (both tested, same result and error, async-chunks setting was toggled)

Additional context Seems to be related to some Asynchronous world save. Crash logs: (EWG crash log) ---- EpicWorldGenerator Crash Report ---- java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Time: Sun Jul 12 03:03:25 EDT 2020 java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Description: Failed create chunk base java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

System details: java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> Spigot version = git-Paper-89 (MC: 1.16.1) java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> Plugin version = 8.1.30 java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> Java Version = 1.8.0_251 java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Plugin details: java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> NoMaps - 0.1 - [] java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> WorldEdit - 7.2.0-beta-02+d10d7d6 - [] java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

<> EpicWorldGenerator - 8.1.30 - [] java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Our team has been notified. If you'd like to help, tell us what happened below. java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

http://api.dynamic-bytes.com/spigotmc/error-log?event=1b2a25003be941c0b95ee72e735a27cc java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

No need to contact us on SpigotMC, use the link above instead. java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Leave your spigot username in the form (if we need to contact you) java.lang.NullPointerException at com.minelazz.epicworldgenerator.nativeAPI.implementations.v1_16_R1.NMSImplementation.h(oea:339) at com.minelazz.epicworldgenerator.xqb.h(gja:599) at com.minelazz.epicworldgenerator.mlb.buildBase(bia:114) at net.minecraft.server.v1_16_R1.ChunkStatus.lambda$static$6(ChunkStatus.java:55) at net.minecraft.server.v1_16_R1.ChunkStatus$d.doWork(ChunkStatus.java:249) at net.minecraft.server.v1_16_R1.ChunkStatus.a(ChunkStatus.java:193) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$null$38(PlayerChunkMap.java:1209) at com.mojang.datafixers.util.Either$Left.map(Either.java:38) at net.minecraft.server.v1_16_R1.PlayerChunkMap.lambda$b$40(PlayerChunkMap.java:1207) at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:966) at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:940) at java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:456) at net.minecraft.server.v1_16_R1.ChunkTaskQueueSorter.b(SourceFile:58) at net.minecraft.server.v1_16_R1.ThreadedMailbox.e(ThreadedMailbox.java:90) at net.minecraft.server.v1_16_R1.ThreadedMailbox.a(ThreadedMailbox.java:137) at net.minecraft.server.v1_16_R1.ThreadedMailbox.run(ThreadedMailbox.java:102) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748)

Paper crash log: ---- Minecraft Crash Report ---- // Everything's going to plan. No, really, that was supposed to happen.

Time: 7/12/20 3:03 AM Description: Exception in server tick loop

java.lang.UnsupportedOperationException: Not supported. at org.bukkit.craftbukkit.v1_16_R1.scheduler.MinecraftInternalPlugin.getServer(MinecraftInternalPlugin.java:85) at org.bukkit.craftbukkit.v1_16_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483) at net.minecraft.server.v1_16_R1.MinecraftServer.b(MinecraftServer.java:1291) at net.minecraft.server.v1_16_R1.DedicatedServer.b(DedicatedServer.java:377) at net.minecraft.server.v1_16_R1.MinecraftServer.a(MinecraftServer.java:1212) at net.minecraft.server.v1_16_R1.MinecraftServer.v(MinecraftServer.java:1000) at net.minecraft.server.v1_16_R1.MinecraftServer.lambda$a$0(MinecraftServer.java:177) at java.lang.Thread.run(Thread.java:748)

A detailed walkthrough of the error, its code path and all known details is as follows:

-- System Details -- Details: Minecraft Version: 1.16.1 Minecraft Version ID: 1.16.1 Operating System: Linux (amd64) version 4.15.0-43-generic Java Version: 1.8.0_251, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1940556104 bytes (1850 MB) / 3706191872 bytes (3534 MB) up to 7635730432 bytes (7282 MB) CPUs: 40 JVM Flags: 3 total; -Xmx8192M -Xms512M -Xss2M CraftBukkit Information: Running: Paper version git-Paper-89 (MC: 1.16.1) (Implementing API version 1.16.1-R0.1-SNAPSHOT) true Plugins: { NoMaps v0.1* ak.znetwork.nomaps.NoMaps [], WorldEdit v7.2.0-beta-02+d10d7d6 com.sk89q.worldedit.bukkit.WorldEditPlugin [], EpicWorldGenerator v8.1.30 com.minelazz.epicworldgenerator.EpicWorldGenerator [],} Warnings: DEFAULT Reload Count: 0 Threads: { WAITING Paper RegionFile IO Thread: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), com.destroystokyo.paper.io.QueueExecutorThread.run(QueueExecutorThread.java:84)], WAITING Server-Worker-2: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING process reaper: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Timer-0: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], TIMED_WAITING Craft Scheduler Thread - 3: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Reference Handler: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:502), java.lang.ref.Reference.tryHandlePending(Reference.java:191), java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)], WAITING Server-Worker-10: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Paper Object Cleaner: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-15: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-3: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Timer hack thread: [java.lang.Thread.sleep(Native Method), net.minecraft.server.v1_16_R1.SystemUtils$1.run(SystemUtils.java:371)], RUNNABLE Netty Epoll Server IO #1: [io.netty.channel.epoll.Native.epollWait0(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:132), io.netty.channel.epoll.EpollEventLoop.epollWait(EpollEventLoop.java:281), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:351), io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989), io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74), java.lang.Thread.run(Thread.java:748)], RUNNABLE DestroyJavaVM: [], WAITING Server-Worker-16: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-9: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING sentry-pool-1-thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:492), java.util.concurrent.LinkedBlockingDeque.take(LinkedBlockingDeque.java:680), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Timer-1: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], RUNNABLE Netty Epoll Server IO #2: [io.netty.channel.epoll.Native.epollWait(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:148), io.netty.channel.epoll.Native.epollWait(Native.java:141), io.netty.channel.epoll.EpollEventLoop.epollWaitNoTimerChange(EpollEventLoop.java:290), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:347), io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989), io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-6: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Signal Dispatcher: [], WAITING Server-Worker-17: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING ForkJoinPool.commonPool-worker-57: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.ForkJoinPool.awaitWork(ForkJoinPool.java:1824), java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1693), java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)], WAITING Server-Worker-13: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Paper Async Task Handler Thread - 0: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078), java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java:467), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Finalizer: [java.lang.Object.wait(Native Method), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144), java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:165), java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:216)], WAITING Server-Worker-5: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Keep-Alive-Timer: [java.lang.Thread.sleep(Native Method), sun.net.www.http.KeepAliveCache.run(KeepAliveCache.java:172), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-4: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Netty Epoll Server IO #0: [io.netty.channel.epoll.Native.epollWait(Native Method), io.netty.channel.epoll.Native.epollWait(Native.java:148), io.netty.channel.epoll.Native.epollWait(Native.java:141), io.netty.channel.epoll.EpollEventLoop.epollWaitNoTimerChange(EpollEventLoop.java:290), io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:347), io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989), io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-11: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING Paper Watchdog Thread: [java.lang.Thread.sleep(Native Method), org.spigotmc.WatchdogThread.run(WatchdogThread.java:166)], WAITING Server-Worker-7: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING User Authenticator #1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460), java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362), java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Log4j2-TF-1-AsyncLogger[AsyncContext@70dea4e]-1: [java.lang.ClassLoader.findLoadedClass0(Native Method), java.lang.ClassLoader.findLoadedClass(ClassLoader.java:1031), java.lang.ClassLoader.loadClass(ClassLoader.java:400), sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355), java.lang.ClassLoader.loadClass(ClassLoader.java:351), org.apache.logging.log4j.util.LoaderUtil.loadClass(LoaderUtil.java:139), org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:549), org.apache.logging.log4j.core.impl.ThrowableProxy.toExtendedStackTrace(ThrowableProxy.java:661), org.apache.logging.log4j.core.impl.ThrowableProxy.(ThrowableProxy.java:164), org.apache.logging.log4j.core.impl.ThrowableProxy.(ThrowableProxy.java:141), org.apache.logging.log4j.core.impl.ThrowableProxy.(ThrowableProxy.java:122), org.apache.logging.log4j.core.async.RingBufferLogEvent.getThrownProxy(RingBufferLogEvent.java:330), org.apache.logging.log4j.core.pattern.ExtendedThrowablePatternConverter.format(ExtendedThrowablePatternConverter.java:61), org.apache.logging.log4j.core.pattern.PatternFormatter.format(PatternFormatter.java:38), org.apache.logging.log4j.core.layout.PatternLayout$PatternSelectorSerializer.toSerializable(PatternLayout.java:455), org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:232), org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:217), org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:57), org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:177), org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:170), org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:161), org.apache.logging.log4j.core.appender.RollingRandomAccessFileAppender.append(RollingRandomAccessFileAppender.java:218), org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156), org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129), org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120), org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84), org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:448), org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:433), org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417), org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:79), org.apache.logging.log4j.core.async.AsyncLogger.actualAsyncLog(AsyncLogger.java:337), org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:161), org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:45), org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:29), com.lmax.disruptor.BatchEventProcessor.processEvents(BatchEventProcessor.java:168), com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:125), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Server-Worker-8: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], WAITING Snooper Timer: [java.lang.Object.wait(Native Method), java.lang.Object.wait(Object.java:502), java.util.TimerThread.mainLoop(Timer.java:526), java.util.TimerThread.run(Timer.java:505)], WAITING Craft Async Scheduler Management Thread: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING pool-7-thread-1: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078), java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093), java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Server thread: [java.lang.Thread.dumpThreads(Native Method), java.lang.Thread.getAllStackTraces(Thread.java:1610), org.bukkit.craftbukkit.v1_16_R1.CraftCrashReport.call(CraftCrashReport.java:33), net.minecraft.server.v1_16_R1.CrashReportSystemDetails.a(SourceFile:79), net.minecraft.server.v1_16_R1.CrashReport.i(CrashReport.java:71), net.minecraft.server.v1_16_R1.CrashReport.(CrashReport.java:35), net.minecraft.server.v1_16_R1.MinecraftServer.v(MinecraftServer.java:1032), net.minecraft.server.v1_16_R1.MinecraftServer.lambda$a$0(MinecraftServer.java:177), net.minecraft.server.v1_16_R1.MinecraftServer$$Lambda$3089/974286189.run(Unknown Source), java.lang.Thread.run(Thread.java:748)], TIMED_WAITING WorldEdit Session Manager: [java.lang.Object.wait(Native Method), java.util.TimerThread.mainLoop(Timer.java:552), java.util.TimerThread.run(Timer.java:505)], WAITING Server-Worker-14: [sun.misc.Unsafe.park(Native Method), java.util.concurrent.locks.LockSupport.park(LockSupport.java:175), java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039), java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442), java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074), java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134), java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624), java.lang.Thread.run(Thread.java:748)], RUNNABLE Server console handler: [java.io.FileInputStream.readBytes(Native Method), java.io.FileInputStream.read(FileInputStream.java:255), java.io.BufferedInputStream.read1(BufferedInputStream.java:284), java.io.BufferedInputStream.read(BufferedInputStream.java:345), sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:284), sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:326), sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178), java.io.InputStreamReader.read(InputStreamReader.java:184), java.io.BufferedReader.fill(BufferedReader.java:161), java.io.BufferedReader.readLine(BufferedReader.java:324), java.io.BufferedReader.readLine(BufferedReader.java:389), net.minecrell.terminalconsole.SimpleTerminalConsole.readCommands(SimpleTerminalConsole.java:180), net.minecrell.terminalconsole.SimpleTerminalConsole.start(SimpleTerminalConsole.java:143), net.minecraft.server.v1_16_R1.DedicatedServer$1.run(DedicatedServer.java:66)],}

Force Loaded Chunks: { world: {}, world_nether: {}, world_the_end: {},} Player Count: 1 / 24; [EntityPlayer['TeaferToo'/93, uuid='ce4b3d32-f22c-49f3-bbdd-78e820bb7a81', l='ServerLevel[world]', x=2189.78, y=72.00, z=-1093.53, cx=136, cz=-69, tl=1066564, v=true, d=false](TeaferToo at 2189.7846740775794,72.0,-1093.5255770889323)] Data Packs: vanilla, file/Ships v9 for [1.16] (incompatible), file/WASD Camp Boots V1.0_MC1.16.zip (incompatible), file/WASD Camp Helmets V1.0.zip (incompatible), file/WASD Libraries V4.2.zip (incompatible), file/WASD Redstone Devices V1.0.zip (incompatible), file/WASD Swords V1.5.zip (incompatible), file/afk display v1.0.1.zip, file/anti enderman grief v1.0.0.zip, file/anti ghast grief v1.0.0.zip, file/better-wandering-traders.zip, file/bukkit, file/craftable-chain-armor.zip (incompatible), file/dawndaycounter.zip, file/double shulker shells v1.2.0.zip, file/dragon drops v1.2.0.zip, file/dsn-xp-bottles, file/larger phantoms v1.1.0.zip, file/mcr-better-handles-1-13-e1730.zip (incompatible), file/mcr-more-equipments-1-13-e1790.zip, file/more mob heads v2.6.2.zip, file/multiplayer sleep v1.0.2.zip, file/player head drops v1.0.0.zip, file/portals-e1580 (1).zip, file/spawnercraftv1.4[datapack].zip, file/un Craftable items, file/useful-snowmen-mc1-16-e1760.zip, file/VanillaTweaks_c195139.zip Is Modded: Definitely; Server brand changed to 'Paper' Type: Dedicated Server (map_server.txt)

We tested without the DataPacks as well.

Nullpointerexception seems to be the main thing EWG complains about, whereas Minecraft (Spigot / Paper) complains about an asynchronous world save. EWG-Crash-report-Sun-Jul-12-03.13.39-EDT-2020(1).txt crash-2020-07-12_03.13.47-server.txt

jonryf / EpicWorldGenerator-bugtracker

Asynchronous World Save #87

A detailed walkthrough of the error, its code path and all known details is as follows: