---- Minecraft Crash Report ---- // There are four lights! Time: 19-8-6 上午10:42 Description: Ticking entity java.lang.ClassCastException: apr cannot be cast to apo at avj.L(SourceFile:100) at aiy.dc(SourceFile:631) at aix.k(SourceFile:2266) at aiy.k(SourceFile:487) at aus.k(SourceFile:39) at axl.k(SourceFile:114) at aix.h(SourceFile:2111) at aiy.h(SourceFile:294) at aus.h(SourceFile:51) at aio.aN(SourceFile:1696) at aix.aN(SourceFile:2405) at vk.a(SourceFile:613) at vk.a(SourceFile:591) at bhr.a(SourceFile:675) at vk.a(SourceFile:386) at net.minecraft.server.MinecraftServer.b(SourceFile:835) at net.minecraft.server.MinecraftServer.a(SourceFile:774) at eac.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:642) at java.lang.Thread.run(Unknown Source) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at avj.L(SourceFile:100) at aiy.dc(SourceFile:631) at aix.k(SourceFile:2266) at aiy.k(SourceFile:487) at aus.k(SourceFile:39) at axl.k(SourceFile:114) at aix.h(SourceFile:2111) at aiy.h(SourceFile:294) at aus.h(SourceFile:51) at aio.aN(SourceFile:1696) at aix.aN(SourceFile:2405) at vk.a(SourceFile:613) at vk.a(SourceFile:591) -- Entity being ticked -- Details: Entity Type: minecraft:dolphin (arf) Entity ID: 18412 Entity Name: 海豚 Entity's Exact location: 505.29, 71.25, 1043.93 Entity's Block location: World: (505,71,1043), Chunk: (at 9,4,3 in 31,65; contains blocks 496,0,1040 to 511,255,1055), Region: (0,2; contains chunks 0,64 to 31,95, blocks 0,0,1024 to 511,255,1535) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [avj['卫道士'/18414, l='新的世界0', x=505.29, y=71.25, z=1043.93]] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at bhr.a(SourceFile:675) at vk.a(SourceFile:386) -- Affected level -- Details: All players: 1 total; [vl['ZYX_2D'/5740, l='新的世界0', x=505.29, y=71.25, z=1043.93]] Chunk stats: ServerChunkCache: 3079 Level dimension: minecraft:overworld Level name: 新的世界0 Level seed: 265089783972739723 Level generator: ID 01 - flat, ver 0. Features enabled: true Level generator options: {biome:"minecraft:plains",layers:[{block:"minecraft:bedrock",height:5},{block:"minecraft:emerald_block",height:55},{block:"minecraft:emerald_ore",height:9}],structures:{village:{}}} Level spawn location: World: (350,76,1013), Chunk: (at 14,4,5 in 21,63; contains blocks 336,0,1008 to 351,255,1023), Region: (0,1; contains chunks 0,32 to 31,63, blocks 0,0,512 to 511,255,1023) Level time: 9595508 game time, 6000 day time Level storage version: 0x04ABD - Anvil Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true Stacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:835) at net.minecraft.server.MinecraftServer.a(SourceFile:774) at eac.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:642) at java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 1.14.4 Minecraft Version ID: 1.14.4 Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_60, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1368960064 bytes (1305 MB) / 2449473536 bytes (2336 MB) up to 2449473536 bytes (2336 MB) CPUs: 4 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2333M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Player Count: 1 / 8; [vl['ZYX_2D'/5740, l='新的世界0', x=505.29, y=71.25, z=1043.93]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.