Missing UUID field in attributes crash the game
Upon loading a copy of my Testworld that has previously been loaded in 1.15.2, I instantly crashed. This is reproducible and happens every time.
---- Minecraft Crash Report ---- // There are four lights! Time: 02.04.20 18:08 Description: Loading entity NBT java.lang.NullPointerException: Loading entity NBT at lk.a(SourceFile:168) at ky.a(SourceFile:150) at aoh.a(SourceFile:119) at aof.a(SourceFile:185) at aog.a(SourceFile:106) at v.a(SourceFile:339) at aog.a(SourceFile:102) at ann.a(SourceFile:606) at bch.a(SourceFile:822) at yl.a(SourceFile:229) at anc.f(SourceFile:1616) at aav.a(SourceFile:308) at aav.a(SourceFile:127) at ze.c(SourceFile:111) at ze.b(SourceFile:63) at ly.a(SourceFile:230) at zb.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:864) at net.minecraft.server.MinecraftServer.a(SourceFile:791) at ell.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:650) at java.base/java.lang.Thread.run(Thread.java:832) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- – Head – Thread: Server thread Stacktrace: at lk.a(SourceFile:168) at ky.a(SourceFile:150) at aoh.a(SourceFile:119) at aof.a(SourceFile:185) at aog.a(SourceFile:106) at v.a(SourceFile:339) at aog.a(SourceFile:102) at ann.a(SourceFile:606) at bch.a(SourceFile:822) at yl.a(SourceFile:229) – Entity being loaded – Details: Entity Type: minecraft:player (yl) Entity ID: 148 Entity Name: Heitzenberg Entity's Exact location: 407.50, 60.95, 493.92 Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Entity's Momentum: 0.00, 0.00, 0.00 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at anc.f(SourceFile:1616) at aav.a(SourceFile:308) at aav.a(SourceFile:127) at ze.c(SourceFile:111) at ze.b(SourceFile:63) at ly.a(SourceFile:230) – Ticking connection – Details: Connection: ly@63011c0a Stacktrace: at zb.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:864) at net.minecraft.server.MinecraftServer.a(SourceFile:791) at ell.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:650) at java.base/java.lang.Thread.run(Thread.java:832) – System Details – Details: Minecraft Version: 20w14a Minecraft Version ID: 20w14a Operating System: Windows 10 (amd64) version 10.0 Java Version: 14, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB) CPUs: 12 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M Player Count: 0 / 8; [] Data Packs: vanilla Type: Integrated Server (map_client.txt) Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Linked Issues
is duplicated by7
Created Issue:
java.lang.NullPointerException: Loading entity NBT
---- Minecraft Crash Report ----
// There are four lights!Time: 02.04.20 18:08
Description: Loading entity NBTjava.lang.NullPointerException: Loading entity NBT
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------– Head –
Thread: Server thread
Stacktrace:
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)– Entity being loaded –
Details:
Entity Type: minecraft:player (yl)
Entity ID: 148
Entity Name: Heitzenberg
Entity's Exact location: 407.50, 60.95, 493.92
Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Entity's Passengers: []
Entity's Vehicle: ~ERROR~ NullPointerException: null
Stacktrace:
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)– Ticking connection –
Details:
Connection: ly@63011c0a
Stacktrace:
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)– System Details –
Details:
Minecraft Version: 20w14a
Minecraft Version ID: 20w14a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 14, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Player Count: 0 / 8; []
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Upon loading a copy of my Testworld that has previously been loaded in 1.15.2, I instantly crashed. This is reproducible and happens every time.
---- Minecraft Crash Report ----
// There are four lights!Time: 02.04.20 18:08
Description: Loading entity NBTjava.lang.NullPointerException: Loading entity NBT
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------– Head –
Thread: Server thread
Stacktrace:
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)– Entity being loaded –
Details:
Entity Type: minecraft:player (yl)
Entity ID: 148
Entity Name: Heitzenberg
Entity's Exact location: 407.50, 60.95, 493.92
Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Entity's Passengers: []
Entity's Vehicle: ~ERROR~ NullPointerException: null
Stacktrace:
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)– Ticking connection –
Details:
Connection: ly@63011c0a
Stacktrace:
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)– System Details –
Details:
Minecraft Version: 20w14a
Minecraft Version ID: 20w14a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 14, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Player Count: 0 / 8; []
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Upon loading a copy of my Testworld that has previously been loaded in 1.15.2, I instantly crashed. This is reproducible and happens every time.
---- Minecraft Crash Report ----
// There are four lights!Time: 02.04.20 18:08
Description: Loading entity NBTjava.lang.NullPointerException: Loading entity NBT
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------– Head –
Thread: Server thread
Stacktrace:
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)– Entity being loaded –
Details:
Entity Type: minecraft:player (yl)
Entity ID: 148
Entity Name: Heitzenberg
Entity's Exact location: 407.50, 60.95, 493.92
Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Entity's Passengers: []
Entity's Vehicle: ~ERROR~ NullPointerException: null
Stacktrace:
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)– Ticking connection –
Details:
Connection: ly@63011c0a
Stacktrace:
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)– System Details –
Details:
Minecraft Version: 20w14a
Minecraft Version ID: 20w14a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 14, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Player Count: 0 / 8; []
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
java.lang.NullPointerException: Loading entity NBTFlattened attribute names crash the game
is duplicated by
is duplicated by
is duplicated by
Upon loading a copy of my Testworld that has previously been loaded in 1.15.2, I instantly crashed. This is reproducible and happens every time.
---- Minecraft Crash Report ----
// There are four lights!Time: 02.04.20 18:08
Description: Loading entity NBTjava.lang.NullPointerException: Loading entity NBT
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------– Head –
Thread: Server thread
Stacktrace:
at lk.a(SourceFile:168)
at ky.a(SourceFile:150)
at aoh.a(SourceFile:119)
at aof.a(SourceFile:185)
at aog.a(SourceFile:106)
at v.a(SourceFile:339)
at aog.a(SourceFile:102)
at ann.a(SourceFile:606)
at bch.a(SourceFile:822)
at yl.a(SourceFile:229)– Entity being loaded –
Details:
Entity Type: minecraft:player (yl)
Entity ID: 148
Entity Name: Heitzenberg
Entity's Exact location: 407.50, 60.95, 493.92
Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Entity's Momentum: 0.00, 0.00, 0.00
Entity's Passengers: []
Entity's Vehicle: ~ERROR~ NullPointerException: null
Stacktrace:
at anc.f(SourceFile:1616)
at aav.a(SourceFile:308)
at aav.a(SourceFile:127)
at ze.c(SourceFile:111)
at ze.b(SourceFile:63)
at ly.a(SourceFile:230)– Ticking connection –
Details:
Connection: ly@63011c0a
Stacktrace:
at zb.c(SourceFile:171)
at net.minecraft.server.MinecraftServer.b(SourceFile:864)
at net.minecraft.server.MinecraftServer.a(SourceFile:791)
at ell.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:650)
at java.base/java.lang.Thread.run(Thread.java:832)– System Details –
Details:
Minecraft Version: 20w14a
Minecraft Version ID: 20w14a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 14, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB)
CPUs: 12
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Player Count: 0 / 8; []
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.Upon loading a copy of my Testworld that has previously been loaded in 1.15.2, I instantly crashed. This is reproducible and happens every time.
---- Minecraft Crash Report ---- // There are four lights! Time: 02.04.20 18:08 Description: Loading entity NBT java.lang.NullPointerException: Loading entity NBT at lk.a(SourceFile:168) at ky.a(SourceFile:150) at aoh.a(SourceFile:119) at aof.a(SourceFile:185) at aog.a(SourceFile:106) at v.a(SourceFile:339) at aog.a(SourceFile:102) at ann.a(SourceFile:606) at bch.a(SourceFile:822) at yl.a(SourceFile:229) at anc.f(SourceFile:1616) at aav.a(SourceFile:308) at aav.a(SourceFile:127) at ze.c(SourceFile:111) at ze.b(SourceFile:63) at ly.a(SourceFile:230) at zb.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:864) at net.minecraft.server.MinecraftServer.a(SourceFile:791) at ell.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:650) at java.base/java.lang.Thread.run(Thread.java:832) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- – Head – Thread: Server thread Stacktrace: at lk.a(SourceFile:168) at ky.a(SourceFile:150) at aoh.a(SourceFile:119) at aof.a(SourceFile:185) at aog.a(SourceFile:106) at v.a(SourceFile:339) at aog.a(SourceFile:102) at ann.a(SourceFile:606) at bch.a(SourceFile:822) at yl.a(SourceFile:229) – Entity being loaded – Details: Entity Type: minecraft:player (yl) Entity ID: 148 Entity Name: Heitzenberg Entity's Exact location: 407.50, 60.95, 493.92 Entity's Block location: World: (407,60,493), Chunk: (at 7,3,13 in 25,30; contains blocks 400,0,480 to 415,255,495), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511) Entity's Momentum: 0.00, 0.00, 0.00 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: null Stacktrace: at anc.f(SourceFile:1616) at aav.a(SourceFile:308) at aav.a(SourceFile:127) at ze.c(SourceFile:111) at ze.b(SourceFile:63) at ly.a(SourceFile:230) – Ticking connection – Details: Connection: ly@63011c0a Stacktrace: at zb.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:864) at net.minecraft.server.MinecraftServer.a(SourceFile:791) at ell.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:650) at java.base/java.lang.Thread.run(Thread.java:832) – System Details – Details: Minecraft Version: 20w14a Minecraft Version ID: 20w14a Operating System: Windows 10 (amd64) version 10.0 Java Version: 14, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation Memory: 568601256 bytes (542 MB) / 1191182336 bytes (1136 MB) up to 3221225472 bytes (3072 MB) CPUs: 12 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M Player Count: 0 / 8; [] 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
is duplicated by
MC-177423
is duplicated by
relates to
is duplicated by
MC-177477
Flattenedattributenames crash the gameMissing UUID field in attributes crash the game
is duplicated by
is duplicated by
Thank you for your report!
We're actually already tracking this issue in MC-177085, so I've resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
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I think this is MC-177085 ?
The problem here seems to be the missing UUID tag (instead of UUIDLeast and UUIDMost), see the dev comment on MC-177085.
@Marcono1234, yes you might be right. I'm so far unable to tell what the proper format is for this, Mr Bok has not given an example of something that would work. It seems this is a duplicate of MC-177085 though.
The bug
The following uses 20w13b Mojang class names
Crash reports which contain the "Ticking connection" section have an unuseful value for the "Connection:" field because the class net.minecraft.network.Connection does not override the method toString() and therefore the crash report shows something like:
- Ticking connection - Details: Connection: ly@63011c0a
This can currently be seen with the crash reports generated due to MC-177085.
Note: It is probably not a good idea to include the remote address as "Connection:" value since this can be sensitive information and crash reports are often shared publicly.
Interesting...
I've got a rabbit that spits the same error when I try to load my world (Entity's Vehicle: ~ERROR~ NullPointerException: null).
I don't know what it means compared to Passengers, but the fact that it can happen to the player is very detrimental. For me, I was just able to delete the rabbit. Try backing up the world, then deleting your playerdata and level.dat if you know how.
Yes I do know how to do that, but with your similar report, it looks like this is a major problem and needs to be fixed.
Describe the issue please. How to reproduce it.
Updated the report.
LuxiKeks Would it be possible for you to attach a copy of your Testworld to the report? Ideally a backup of it before it was first loaded in the snapshot, but either would be helpful!
Yes, I added both
Thanks for looking into it.
Attached the crash report
Can confirm. This is happening to me too.
One way to Reproduce:
/give @s diamond_chestplate{AttributeModifiers:[{AttributeName:"generic.max_health",Name:"generic.max_health",Amount:1,Operation:0,UUIDLeast:811037,UUIDMost:227362,Slot:"mainhand"}]} 1In this snapshot, all of the attributes were renamed to include underscores instead of capital letters separating words. The thing is, attributes that already existed in a world, and from the creative menu, are unaffected. Only attributes given from /give crash the game, like in the steps above.
The /effect command is different though. It works in reverse; pre-existing status effects that change the player's attributes crash the game (like the speed effect), even if it was given through the creative menu, while newly given effects don't. This is why in [^TestWorld 1.15.2.zip], loading in 20w14a fails to tick the player.
Suggested method of reproduction is not caused by attribute name, but by missing 'UUID' field. This command will not work, even after fix, but at least it will not crash.
Can confirm when I load up my 1.15.2 survival to snapshot 20w14a it crashes and gives error message of: The game crashed whilst loading entity NBT
This can happen even in a world created in snapshot 20w14a. I used this command that worked with 1.13 and above in said snapshot:
// /give @p minecraft:iron_helmet{AttributeModifiers:[{AttributeName:"generic.armor",Name:"generic.armor",Amount:2,Operation:0,UUIDLeast:403716,UUIDMost:847018,Slot:"head"},{AttributeName:"generic.attackSpeed",Name:"generic.attackSpeed",Amount:99999999,Operation:0,UUIDLeast:794389,UUIDMost:676379}]} 1...And when I got the Iron Helmet and hovered my cursor over it, every time without fail, the game would crash.