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Bug
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Resolution: Fixed
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Minecraft 18w30b
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Confirmed
The bug
Placing a chain command block with NBT will crash the game.
Steps to reproduce
- Place a repeating command block and set it to "Always Active"
- Place the following chain command block in front of the repeating command block
/give @s chain_command_block{BlockEntityTag:{Command:"say crash"}}
→ The game will crash
Crash
---- Minecraft Crash Report ---- // Oh - I know what I did wrong! Time: 7/28/18 6:36 PM Description: Exception while ticking java.lang.NullPointerException: Exception while ticking at bjc.w(SourceFile:119) at bjg.j(SourceFile:122) at bdg.a(SourceFile:229) at bdg.a(SourceFile:120) at bdg.a(SourceFile:93) at bkw.a(SourceFile:261) at tc.b(SourceFile:565) at tc$$Lambda$1531/492925641.accept(Unknown Source) at ayi.a(SourceFile:79) at tc.q_(SourceFile:551) at tc.a(SourceFile:215) at net.minecraft.server.MinecraftServer.b(SourceFile:728) at net.minecraft.server.MinecraftServer.a(SourceFile:661) at dga.a(SourceFile:159) at net.minecraft.server.MinecraftServer.run(SourceFile:564) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at bjc.w(SourceFile:119) at bjg.j(SourceFile:122) at bdg.a(SourceFile:229) at bdg.a(SourceFile:120) at bdg.a(SourceFile:93) at bkw.a(SourceFile:261) at tc.b(SourceFile:565) at tc$$Lambda$1531/492925641.accept(Unknown Source) -- Block being ticked -- Details: Block location: World: (62,1,-26), Chunk: (at 14,0,6 in 3,-2; contains blocks 48,0,-32 to 63,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1) Stacktrace: at ayi.a(SourceFile:79) at tc.q_(SourceFile:551) at tc.a(SourceFile:215) -- Affected level -- Details: Level name: Redstone All players: 1 total; [te[''/33, l='Redstone', x=59.51, y=1.00, z=-24.79]] Chunk stats: ServerChunkCache: 458 Drop: 0 Level seed: 4882365540653810169 Level generator: ID 01 - flat, ver 0. Features enabled: true Level generator options: {biome:"minecraft:the_void",layers:[{block:"minecraft:barrier",height:1}],structures:{decoration:{}}} Level spawn location: World: (8,4,8), Chunk: (at 8,0,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Level time: 13660797 game time, 6000 day time Level dimension: 0 Level storage version: 0x04ABD - Anvil Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false) Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true Stacktrace: at net.minecraft.server.MinecraftServer.b(SourceFile:728) at net.minecraft.server.MinecraftServer.a(SourceFile:661) at dga.a(SourceFile:159) at net.minecraft.server.MinecraftServer.run(SourceFile:564) at java.lang.Thread.run(Thread.java:745) -- System Details -- Details: Minecraft Version: 18w30b Operating System: Windows 10 (amd64) version 10.0 Java Version: 1.8.0_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 187640088 bytes (178 MB) / 498393088 bytes (475 MB) up to 1060372480 bytes (1011 MB) JVM Flags: 7 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M Profiler Position: N/A (disabled) Player Count: 1 / 8; [te[''/33, l='Redstone', x=59.51, y=1.00, z=-24.79]] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
- relates to
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MC-134982 Exception when placing a command block
- Resolved