i've tried playing on various Snapshot servers including my own, but after an undetermined amount of time my client crashes with the attached crash report.
18w50a\: [^crash-2018-12-22_20.13.06-client.txt]
---- Minecraft Crash Report ----
// There are four lights!
Time: 22/12/18 8:13 PM
Description: Rendering screen
java.lang.NullPointerException: Rendering screen
at cwc.a(SourceFile:261)
at cuu.a(SourceFile:84)
at dea.a(SourceFile:794)
at cpk.d(SourceFile:910)
at cpk.b(SourceFile:394)
at net.minecraft.client.main.Main.main(SourceFile:154)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at cwc.a(SourceFile:261)
at cuu.a(SourceFile:84)
-- Screen render details --
Details:
Screen name: cuu
Mouse location: Scaled: (327, 188). Absolute: (655.000000, 376.000000)
Screen size: Scaled: (720, 439). Absolute: (1440, 877). Scale factor of 2.000000
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ddl['Morpheus1101'/37565, l='MpServer', x=-639.37, y=70.00, z=48.24]]
Chunk stats: MultiplayerChunkCache: 729, 99
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: {}
Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 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: 92248068 game time, 81506229 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 22 total; [ddl['Morpheus1101'/37565, l='MpServer', x=-639.37, y=70.00, z=48.24], amr['Sheep'/38149, l='MpServer', x=-633.53, y=67.00, z=30.74], amc['Chicken'/38153, l='MpServer', x=-642.98, y=70.00, z=90.03], ame['Cow'/38154, l='MpServer', x=-642.45, y=71.00, z=64.62], amc['Chicken'/38155, l='MpServer', x=-664.91, y=73.00, z=69.68], amr['Sheep'/38158, l='MpServer', x=-656.27, y=69.00, z=43.17], amr['Sheep'/38159, l='MpServer', x=-638.73, y=69.00, z=41.52], aoy['Egg'/38224, l='MpServer', x=-629.98, y=71.00, z=90.40], amr['Sheep'/38160, l='MpServer', x=-643.50, y=68.00, z=33.75], amp['Rabbit'/38161, l='MpServer', x=-658.12, y=70.00, z=29.86], amc['Chicken'/38164, l='MpServer', x=-684.49, y=71.00, z=50.87], aoy['Egg'/38165, l='MpServer', x=-667.65, y=73.00, z=73.16], asm['Minecart with Chest'/38166, l='MpServer', x=-667.50, y=20.00, z=57.51], aoy['Rail'/38167, l='MpServer', x=-667.36, y=20.00, z=57.88], aoy['Egg'/38298, l='MpServer', x=-626.57, y=72.00, z=86.64], amp['Rabbit'/38182, l='MpServer', x=-676.11, y=72.00, z=27.46], aoy['Stick'/38439, l='MpServer', x=-654.10, y=82.00, z=90.99], aoy['Oak Sapling'/38440, l='MpServer', x=-654.78, y=81.00, z=89.13], amp['Rabbit'/38136, l='MpServer', x=-615.47, y=72.17, z=61.05], amc['Chicken'/38141, l='MpServer', x=-630.50, y=69.00, z=94.93], asm['Minecart with Chest'/38142, l='MpServer', x=-626.50, y=17.06, z=87.50], amc['Chicken'/38143, l='MpServer', x=-626.46, y=73.00, z=72.53]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Non-integrated multiplayer server
Stacktrace:
at dbi.a(SourceFile:367)
at cpk.b(SourceFile:1928)
at cpk.b(SourceFile:402)
at net.minecraft.client.main.Main.main(SourceFile:154)
-- System Details --
Details:
Minecraft Version: 18w50a
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: 305438648 bytes (291 MB) / 587202560 bytes (560 MB) up to 8589934592 bytes (8192 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Launched Version: 18w50a
LWJGL: 3.1.6 build 14
OpenGL: GeForce GTX 1080/PCIe/SSE2 GL version 4.6.0 NVIDIA 416.34, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: vanilla
Current Language: English (Australia)
CPU: 16x AMD Ryzen 7 1700 Eight-Core Processor---- Minecraft Crash Report ----
// There are four lights!
Time: 22/12/18 8:13 PM
Description: Rendering screen
java.lang.NullPointerException: Rendering screen
at cwc.a(SourceFile:261)
at cuu.a(SourceFile:84)
at dea.a(SourceFile:794)
at cpk.d(SourceFile:910)
at cpk.b(SourceFile:394)
at net.minecraft.client.main.Main.main(SourceFile:154)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at cwc.a(SourceFile:261)
at cuu.a(SourceFile:84)
-- Screen render details --
Details:
Screen name: cuu
Mouse location: Scaled: (327, 188). Absolute: (655.000000, 376.000000)
Screen size: Scaled: (720, 439). Absolute: (1440, 877). Scale factor of 2.000000
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [ddl['Morpheus1101'/37565, l='MpServer', x=-639.37, y=70.00, z=48.24]]
Chunk stats: MultiplayerChunkCache: 729, 99
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options: {}
Level spawn location: World: (0,64,0), Chunk: (at 0,4,0 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: 92248068 game time, 81506229 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 22 total; [ddl['Morpheus1101'/37565, l='MpServer', x=-639.37, y=70.00, z=48.24], amr['Sheep'/38149, l='MpServer', x=-633.53, y=67.00, z=30.74], amc['Chicken'/38153, l='MpServer', x=-642.98, y=70.00, z=90.03], ame['Cow'/38154, l='MpServer', x=-642.45, y=71.00, z=64.62], amc['Chicken'/38155, l='MpServer', x=-664.91, y=73.00, z=69.68], amr['Sheep'/38158, l='MpServer', x=-656.27, y=69.00, z=43.17], amr['Sheep'/38159, l='MpServer', x=-638.73, y=69.00, z=41.52], aoy['Egg'/38224, l='MpServer', x=-629.98, y=71.00, z=90.40], amr['Sheep'/38160, l='MpServer', x=-643.50, y=68.00, z=33.75], amp['Rabbit'/38161, l='MpServer', x=-658.12, y=70.00, z=29.86], amc['Chicken'/38164, l='MpServer', x=-684.49, y=71.00, z=50.87], aoy['Egg'/38165, l='MpServer', x=-667.65, y=73.00, z=73.16], asm['Minecart with Chest'/38166, l='MpServer', x=-667.50, y=20.00, z=57.51], aoy['Rail'/38167, l='MpServer', x=-667.36, y=20.00, z=57.88], aoy['Egg'/38298, l='MpServer', x=-626.57, y=72.00, z=86.64], amp['Rabbit'/38182, l='MpServer', x=-676.11, y=72.00, z=27.46], aoy['Stick'/38439, l='MpServer', x=-654.10, y=82.00, z=90.99], aoy['Oak Sapling'/38440, l='MpServer', x=-654.78, y=81.00, z=89.13], amp['Rabbit'/38136, l='MpServer', x=-615.47, y=72.17, z=61.05], amc['Chicken'/38141, l='MpServer', x=-630.50, y=69.00, z=94.93], asm['Minecart with Chest'/38142, l='MpServer', x=-626.50, y=17.06, z=87.50], amc['Chicken'/38143, l='MpServer', x=-626.46, y=73.00, z=72.53]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Non-integrated multiplayer server
Stacktrace:
at dbi.a(SourceFile:367)
at cpk.b(SourceFile:1928)
at cpk.b(SourceFile:402)
at net.minecraft.client.main.Main.main(SourceFile:154)
-- System Details --
Details:
Minecraft Version: 18w50a
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: 305438648 bytes (291 MB) / 587202560 bytes (560 MB) up to 8589934592 bytes (8192 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
Launched Version: 18w50a
LWJGL: 3.1.6 build 14
OpenGL: GeForce GTX 1080/PCIe/SSE2 GL version 4.6.0 NVIDIA 416.34, NVIDIA Corporation
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.
Using VBOs: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: vanilla
Current Language: English (Australia)
CPU: 16x AMD Ryzen 7 1700 Eight-Core Processor
Is this still an issue in the latest snapshot of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time. If you are the owner/reporter of this ticket, you can modify the affected version(s) yourself.