Note: This may be a duplicate of MC-81738 but this one occurred in 1.17.1.
I joined a completely vanilla server on a completely vanilla client and my game crashed "Tesselating block in world":
---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3
Time: 7/8/21, 5:30 PM
Description: Tesselating block in world
java.lang.NullPointerException: Cannot invoke "eyy.a()" because "☃" is null
at eob.a(SourceFile:43)
at enz.a(SourceFile:63)
at epx$c$b.a(SourceFile:524)
at epx$c$b.a(SourceFile:447)
at epx$c.k(SourceFile:412)
at epx.a(SourceFile:189)
at eng.a(SourceFile:918)
at eng.a(SourceFile:1142)
at enb.a(SourceFile:1026)
at enb.a(SourceFile:810)
at dvp.f(SourceFile:1112)
at dvp.e(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:217)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Render thread
Stacktrace:
at eob.a(SourceFile:43)
-- Block being tesselated --
Details:
Block: Block{minecraft:stone}
Block location: World: (80,64,176), Section: (at 0,0,0 in 5,4,11; chunk contains blocks 80,0,176 to 95,255,191), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
at enz.a(SourceFile:63)
at epx$c$b.a(SourceFile:524)
at epx$c$b.a(SourceFile:447)
at epx$c.k(SourceFile:412)
at epx.a(SourceFile:189)
at eng.a(SourceFile:918)
at eng.a(SourceFile:1142)
at enb.a(SourceFile:1026)
-- Affected level --
Details:
All players: 1 total; [emm['Crittz33'/79156, l='ClientLevel', x=87.58, y=68.00, z=188.37]]
Chunk stats: 961, 625
Level dimension: minecraft:overworld
Level spawn location: World: (80,68,192), Section: (at 0,4,0 in 5,4,12; chunk contains blocks 80,0,192 to 95,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 10705065 game time, 12977268 day time
Server brand: vanilla
Server type: Non-integrated multiplayer server
Stacktrace:
at eji.a(SourceFile:370)
at dvp.c(SourceFile:2399)
at dvp.e(SourceFile:747)
at net.minecraft.client.main.Main.main(SourceFile:217)
-- Last reload --
Details:
Reload number: 1
Reload reason: initial
Finished: No
Packs: Default, gui_format, Tiny Tweaks
-- System Details --
Details:
Minecraft Version: 1.17.1
Minecraft Version ID: 1.17.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 16.0.1, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 1744737216 bytes (1663 MiB) / 4160749568 bytes (3968 MiB) up to 16106127360 bytes (15360 MiB)
CPUs: 12
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz
Identifier: Intel64 Family 6 Model 165 Stepping 2
Microarchitecture: unknown
Frequency (GHz): 2.59
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: Intel(R) UHD Graphics
Graphics card #0 vendor: Intel Corporation (0x8086)
Graphics card #0 VRAM (MB): 1024.00
Graphics card #0 deviceId: 0x9bc4
Graphics card #0 versionInfo: DriverVersion=26.20.100.7642
Graphics card #1 name: NVIDIA GeForce RTX 2060
Graphics card #1 vendor: NVIDIA (0x10de)
Graphics card #1 VRAM (MB): 4095.00
Graphics card #1 deviceId: 0x1f15
Graphics card #1 versionInfo: DriverVersion=27.21.14.6677
Memory slot #0 capacity (MB): 8192.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MB): 8192.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MB): 30884.03
Virtual memory used (MB): 27956.22
Swap memory total (MB): 14679.82
Swap memory used (MB): 1772.05
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx15G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Launched Version: 1.17.1
Backend library: LWJGL version 3.2.2 build 10
Backend API: NVIDIA GeForce RTX 2060/PCIe/SSE2 GL version 3.2.0 NVIDIA 466.77, NVIDIA Corporation
Window size: 1920x1080
GL Caps: Using framebuffer using OpenGL 3.2
GL debug messages:
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Graphics mode: fabulous
Resource Packs: vanilla, file/gui_format (incompatible), file/Tiny Tweaks
Current Language: English (US)
CPU: 12x Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3
Time: 7/8/21, 5:30 PM
Description: Tesselating block in world
java.lang.NullPointerException: Cannot invoke "eyy.a()" because "☃" is null
at eob.a(SourceFile:43)
at enz.a(SourceFile:63)
at epx$c$b.a(SourceFile:524)
at epx$c$b.a(SourceFile:447)
at epx$c.k(SourceFile:412)
at epx.a(SourceFile:189)
at eng.a(SourceFile:918)
at eng.a(SourceFile:1142)
at enb.a(SourceFile:1026)
at enb.a(SourceFile:810)
at dvp.f(SourceFile:1112)
at dvp.e(SourceFile:728)
at net.minecraft.client.main.Main.main(SourceFile:217)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Render thread
Stacktrace:
at eob.a(SourceFile:43)
-- Block being tesselated --
Details:
Block: Block{minecraft:stone}
Block location: World: (80,64,176), Section: (at 0,0,0 in 5,4,11; chunk contains blocks 80,0,176 to 95,255,191), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Stacktrace:
at enz.a(SourceFile:63)
at epx$c$b.a(SourceFile:524)
at epx$c$b.a(SourceFile:447)
at epx$c.k(SourceFile:412)
at epx.a(SourceFile:189)
at eng.a(SourceFile:918)
at eng.a(SourceFile:1142)
at enb.a(SourceFile:1026)
-- Affected level --
Details:
All players: 1 total; [emm['Crittz33'/79156, l='ClientLevel', x=87.58, y=68.00, z=188.37]]
Chunk stats: 961, 625
Level dimension: minecraft:overworld
Level spawn location: World: (80,68,192), Section: (at 0,4,0 in 5,4,12; chunk contains blocks 80,0,192 to 95,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 10705065 game time, 12977268 day time
Server brand: vanilla
Server type: Non-integrated multiplayer server
Stacktrace:
at eji.a(SourceFile:370)
at dvp.c(SourceFile:2399)
at dvp.e(SourceFile:747)
at net.minecraft.client.main.Main.main(SourceFile:217)
-- Last reload --
Details:
Reload number: 1
Reload reason: initial
Finished: No
Packs: Default, gui_format, Tiny Tweaks
-- System Details --
Details:
Minecraft Version: 1.17.1
Minecraft Version ID: 1.17.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 16.0.1, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 1744737216 bytes (1663 MiB) / 4160749568 bytes (3968 MiB) up to 16106127360 bytes (15360 MiB)
CPUs: 12
Processor Vendor: GenuineIntel
Processor Name: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz
Identifier: Intel64 Family 6 Model 165 Stepping 2
Microarchitecture: unknown
Frequency (GHz): 2.59
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: Intel(R) UHD Graphics
Graphics card #0 vendor: Intel Corporation (0x8086)
Graphics card #0 VRAM (MB): 1024.00
Graphics card #0 deviceId: 0x9bc4
Graphics card #0 versionInfo: DriverVersion=26.20.100.7642
Graphics card #1 name: NVIDIA GeForce RTX 2060
Graphics card #1 vendor: NVIDIA (0x10de)
Graphics card #1 VRAM (MB): 4095.00
Graphics card #1 deviceId: 0x1f15
Graphics card #1 versionInfo: DriverVersion=27.21.14.6677
Memory slot #0 capacity (MB): 8192.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MB): 8192.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MB): 30884.03
Virtual memory used (MB): 27956.22
Swap memory total (MB): 14679.82
Swap memory used (MB): 1772.05
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx15G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Launched Version: 1.17.1
Backend library: LWJGL version 3.2.2 build 10
Backend API: NVIDIA GeForce RTX 2060/PCIe/SSE2 GL version 3.2.0 NVIDIA 466.77, NVIDIA Corporation
Window size: 1920x1080
GL Caps: Using framebuffer using OpenGL 3.2
GL debug messages:
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Graphics mode: fabulous
Resource Packs: vanilla, file/gui_format (incompatible), file/Tiny Tweaks
Current Language: English (US)
CPU: 12x Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz
This doesn't seem to be a duplicate of MC-81738, the stack traces are different.