The only reason your comment is correct is because this exception is occurring.
If you set the level-type to "DEBUG_ALL_BLOCK_STATES" the world is created successfully and correctly. It can be viewed in a world editor or via something like DynMap on CraftBukkit to verify my statement.
If the string "DEBUG_ALL_BLOCK_STATES" was shorter than 16 characters and gamemode was set to 3 (Spectator) things should work just fine.
This is NOT a duplicate of the issue linked. The only thing it has in common is that both issues deal with the debug world type. You must have misread or misunderstood this issue.
This is also NOT intended behavior. That string is literally too long for Netty to handle. If Mojang didn't want people to use the debug world type, it should fail gracefully with a human readable message.
The only reason your comment is correct is because this exception is occurring.
If you set the level-type to "DEBUG_ALL_BLOCK_STATES" the world is created successfully and correctly. It can be viewed in a world editor or via something like DynMap on CraftBukkit to verify my statement.
If the string "DEBUG_ALL_BLOCK_STATES" was shorter than 16 characters and gamemode was set to 3 (Spectator) things should work just fine.
This is NOT a duplicate of the issue linked. The only thing it has in common is that both issues deal with the debug world type. You must have misread or misunderstood this issue.
This is also NOT intended behavior. That string is literally too long for Netty to handle. If Mojang didn't want people to use the debug world type, it should fail gracefully with a human readable message.