Pasting a multi-line string into the terminal console causes a crash #13006
Description
Stack trace
$ java -jar paper-1.21.8-42.jar
Starting org.bukkit.craftbukkit.Main
[21:42:17 INFO]: [bootstrap] Running Java 21 (OpenJDK 64-Bit Server VM 21.0.8+9-LTS; Eclipse Adoptium Temurin-21.0.8+9) on Linux 6.8.0-64-generic (amd64)
[21:42:17 INFO]: [bootstrap] Loading Paper 1.21.8-42-main@b0da38c (2025-08-22T10:35:13Z) for Minecraft 1.21.8
[21:42:17 INFO]: [PluginInitializerManager] Initializing plugins...
[21:42:17 INFO]: [PluginInitializerManager] Initialized 0 plugins
[21:42:21 INFO]: Environment: Environment[sessionHost=https://sessionserver.mojang.com, servicesHost=https://api.minecraftservices.com, name=PROD]
[21:42:22 INFO]: Loaded 1407 recipes
[21:42:22 INFO]: Loaded 1520 advancements
[21:42:22 INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Initialising converters for DataConverter...
[21:42:23 INFO]: [ca.spottedleaf.dataconverter.minecraft.datatypes.MCTypeRegistry] Finished initialising converters for DataConverter in 355,5ms
[21:42:23 INFO]: Starting minecraft server version 1.21.8
[21:42:23 INFO]: Loading properties
[21:42:23 INFO]: This server is running Paper version 1.21.8-42-main@b0da38c (2025-08-22T10:35:13Z) (Implementing API version 1.21.8-R0.1-SNAPSHOT)
[21:42:23 INFO]: [spark] This server bundles the spark profiler. For more information please visit https://docs.papermc.io/paper/profiling
[21:42:23 INFO]: Server Ping Player Sample Count: 12
[21:42:23 INFO]: Using 4 threads for Netty based IO
[21:42:24 INFO]: [MoonriseCommon] Paper is using 1 worker threads, 1 I/O threads
[21:42:24 INFO]: [ChunkTaskScheduler] Chunk system is using population gen parallelism: true
[21:42:24 INFO]: Default game type: SURVIVAL
[21:42:24 INFO]: Generating keypair
[21:42:24 INFO]: Starting Minecraft server on *:25565
[21:42:24 INFO]: Using epoll channel type
[21:42:24 INFO]: Paper: Using libdeflate (Linux x86_64) compression from Velocity.
[21:42:24 INFO]: Paper: Using OpenSSL 3.x.x (Linux x86_64) cipher from Velocity.
[21:42:24 INFO]: Server permissions file permissions.yml is empty, ignoring it
[21:42:24 INFO]: Preparing level "world"
[21:42:25 INFO]: Preparing start region for dimension minecraft:overworld
[21:42:25 INFO]: Preparing spawn area: 0%
[21:42:25 INFO]: Preparing spawn area: 26%
[21:42:25 INFO]: Time elapsed: 770 ms
[21:42:25 INFO]: Preparing start region for dimension minecraft:the_nether
[21:42:25 INFO]: Preparing spawn area: 0%
[21:42:26 INFO]: Time elapsed: 168 ms
[21:42:26 INFO]: Preparing start region for dimension minecraft:the_end
[21:42:26 INFO]: Preparing spawn area: 0%
[21:42:26 INFO]: Time elapsed: 78 ms
[21:42:26 INFO]: [spark] Starting background profiler...
[21:42:26 INFO]: Done preparing level "world" (1.586s)
[21:42:26 INFO]: Running delayed init tasks
[21:42:26 INFO]: Done (9.824s)! For help, type "help"
> test command 1
> test command 2
> test command 3
> test command 4
> test command 5
[21:42:29 ERROR]: Encountered an unexpected exception
java.lang.RuntimeException: Failed to encode Minecraft Component: empty[style={color=gray,clickEvent=SuggestCommand[command=/test command 1
test command 2
test command 3
test command 4
test command 5]}, siblings=[literal{test }, literal{command 1
test command 2
test command 3
test command 4
test command 5}[style={color=red,underlined}], translation{key='command.context.here', args=[]}[style={color=red,italic}]]]; Disallowed chat character: '
'
at io.papermc.paper.adventure.WrapperAwareSerializer.lambda$deserialize$0(WrapperAwareSerializer.java:28) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at com.mojang.serialization.DataResult$Error.getOrThrow(DataResult.java:287) ~[datafixerupper-8.0.16.jar:?]
at io.papermc.paper.adventure.WrapperAwareSerializer.deserialize(WrapperAwareSerializer.java:28) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at io.papermc.paper.adventure.WrapperAwareSerializer.deserialize(WrapperAwareSerializer.java:13) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at io.papermc.paper.adventure.PaperAdventure.asAdventure(PaperAdventure.java:190) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.commands.Commands.finishParsing(Commands.java:427) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.commands.Commands.performCommand(Commands.java:353) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.commands.Commands.performCommand(Commands.java:345) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.commands.Commands.performPrefixedCommand(Commands.java:336) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.dedicated.DedicatedServer.handleConsoleInputs(DedicatedServer.java:435) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.dedicated.DedicatedServer.tickConnection(DedicatedServer.java:386) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1738) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1530) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1252) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:310) ~[paper-1.21.8.jar:1.21.8-42-b0da38c]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[21:42:29 ERROR]: This crash report has been saved to: /mnt/data/Загрузки/paper/crash-reports/crash-2025-08-22_21.42.29-server.txt
[21:42:29 INFO]: Stopping server
[21:42:29 INFO]: Saving players
[21:42:29 INFO]: Saving worlds
[21:42:29 INFO]: Saving chunks for level 'ServerLevel[world]'/minecraft:overworld
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk system to halt for world 'world'
[21:42:29 INFO]: [ChunkHolderManager] Halted chunk system for world 'world'
[21:42:29 INFO]: [ChunkHolderManager] Saving all chunkholders for world 'world'
[21:42:29 INFO]: [ChunkHolderManager] Saved 49 block chunks, 49 entity chunks, 0 poi chunks in world 'world' in 0,19s
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk I/O to halt for world 'world'
[21:42:29 INFO]: [ChunkHolderManager] Halted I/O scheduler for world 'world'
[21:42:29 INFO]: Saving chunks for level 'ServerLevel[world_nether]'/minecraft:the_nether
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk system to halt for world 'world_nether'
[21:42:29 INFO]: [ChunkHolderManager] Halted chunk system for world 'world_nether'
[21:42:29 INFO]: [ChunkHolderManager] Saving all chunkholders for world 'world_nether'
[21:42:29 INFO]: [ChunkHolderManager] Saved 49 block chunks, 49 entity chunks, 0 poi chunks in world 'world_nether' in 0,08s
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk I/O to halt for world 'world_nether'
[21:42:29 INFO]: [ChunkHolderManager] Halted I/O scheduler for world 'world_nether'
[21:42:29 INFO]: Saving chunks for level 'ServerLevel[world_the_end]'/minecraft:the_end
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk system to halt for world 'world_the_end'
[21:42:29 INFO]: [ChunkHolderManager] Halted chunk system for world 'world_the_end'
[21:42:29 INFO]: [ChunkHolderManager] Saving all chunkholders for world 'world_the_end'
[21:42:29 INFO]: [ChunkHolderManager] Saved 49 block chunks, 49 entity chunks, 0 poi chunks in world 'world_the_end' in 0,04s
[21:42:29 INFO]: [ChunkHolderManager] Waiting 60s for chunk I/O to halt for world 'world_the_end'
[21:42:29 INFO]: [ChunkHolderManager] Halted I/O scheduler for world 'world_the_end'
[21:42:29 INFO]: ThreadedAnvilChunkStorage (world): All chunks are saved
[21:42:29 INFO]: ThreadedAnvilChunkStorage (DIM-1): All chunks are saved
[21:42:29 INFO]: ThreadedAnvilChunkStorage (DIM1): All chunks are saved
[21:42:29 INFO]: ThreadedAnvilChunkStorage: All dimensions are saved
[21:42:29 INFO]: Waiting for all RegionFile I/O tasks to complete...
[21:42:29 INFO]: All RegionFile I/O tasks to complete
[21:42:29 INFO]: [MoonriseCommon] Awaiting termination of worker pool for up to 60s...
[21:42:29 INFO]: [MoonriseCommon] Awaiting termination of I/O pool for up to 60s...
Plugin and Datapack List
> plugins
[21:43:46 INFO]: ℹ Server Plugins (0):
Actions to reproduce (if known)
- Copy any multi-line string into the clipboard, it isn't required to end with a line break, but must contain a line break somewhere inside of it. Example:
test command 1
test command 2
test command 3
test command 4
test command 5
- Paste it into the terminal console
- First, nothing happens, but when you press [Enter] the server crashes with the stack trace provided earlier
Paper version
> version
[21:43:59 INFO]: Checking version, please wait...
[21:44:00 INFO]: This server is running Paper version 1.21.8-42-main@b0da38c (2025-08-22T10:35:13Z) (Implementing API version 1.21.8-R0.1-SNAPSHOT)
You are running the latest version
Previous version: 1.21.8-4-aa4ef06 (MC: 1.21.8)
Other
No response