Test for https://github.com/pmmp/PocketMine-MP/pull/6176

after-fix.log

[21:32:55.659] [Server thread/WARNING]: Non-packaged installation detected. This will degrade autoloading speed and make startup times longer.
[21:32:55.664] [Server thread/INFO]: Loading server configuration
[21:32:55.674] [Server thread/INFO]: Selected English (eng) as the base language
[21:32:55.674] [Server thread/WARNING]: ----------------------------------------
[21:32:55.674] [Server thread/WARNING]: You are running a PocketMine-MP DEVELOPMENT build.
[21:32:55.674] [Server thread/WARNING]: The API for this version may not be finalized. Plugins which run on this build may not work on other builds with the same API version.
[21:32:55.674] [Server thread/WARNING]: The build may have bugs, crash, corrupt your data, or break your plugins.
[21:32:55.674] [Server thread/WARNING]: ----------------------------------------
[21:32:55.676] [Server thread/INFO]: Starting Minecraft: Bedrock Edition server version v1.20.40
[21:32:55.677] [Server thread/INFO]: Online mode is enabled. The server will verify that players are authenticated to Xbox Live.
[21:32:55.683] [Server thread/INFO]: This server is running PocketMine-MP version 5.8.3+dev
[21:32:55.683] [Server thread/INFO]: PocketMine-MP is distributed under the LGPL License
[21:32:55.889] [Server thread/INFO]: Loading resource packs...
[21:32:55.898] [Server thread/INFO]: Loading DevTools v1.17.1
[21:32:55.901] [Server thread/INFO]: [DevTools] Registered folder plugin loader
[21:32:55.901] [Server thread/INFO]: Loading NullComplexDataTest v1.0.0
[21:32:55.901] [Server thread/INFO]: Enabling DevTools v1.17.1
[21:32:55.970] [Server thread/INFO]: Preparing world "world"
[21:32:55.987] [Server thread/INFO]: Enabling NullComplexDataTest v1.0.0
[21:32:56.142] [Server thread/INFO]: Minecraft network interface running on 0.0.0.0:19132
[21:32:56.142] [Server thread/INFO]: GS4 Query listener running on 0.0.0.0:19132
[21:32:56.143] [Server thread/INFO]: Minecraft network interface running on [::]:19133
[21:32:56.143] [Server thread/INFO]: GS4 Query listener running on [::]:19133
[21:32:56.143] [Server thread/INFO]: Default game type: Survival Mode
[21:32:56.143] [Server thread/INFO]: If you find this project useful, please consider donating to support development: https://patreon.com/pocketminemp
[21:32:56.143] [Server thread/INFO]: Done (0.481s)! For help, type "help" or "?"
[21:32:56.153] [Server thread/NOTICE]: Stored value is: null
[21:32:56.205] [Server thread/INFO]: Disabling DevTools v1.17.1
[21:32:56.205] [Server thread/INFO]: Disabling NullComplexDataTest v1.0.0
[21:32:56.206] [Server thread/INFO]: Unloading world "world"
[21:33:00.642] [Server thread/INFO]: Stopping other threads

before-fix.log

[21:33:14.359] [Server thread/WARNING]: Non-packaged installation detected. This will degrade autoloading speed and make startup times longer.
[21:33:14.363] [Server thread/INFO]: Loading server configuration
[21:33:14.374] [Server thread/INFO]: Selected English (eng) as the base language
[21:33:14.374] [Server thread/WARNING]: ----------------------------------------
[21:33:14.374] [Server thread/WARNING]: You are running a PocketMine-MP DEVELOPMENT build.
[21:33:14.374] [Server thread/WARNING]: The API for this version may not be finalized. Plugins which run on this build may not work on other builds with the same API version.
[21:33:14.374] [Server thread/WARNING]: The build may have bugs, crash, corrupt your data, or break your plugins.
[21:33:14.374] [Server thread/WARNING]: ----------------------------------------
[21:33:14.375] [Server thread/INFO]: Starting Minecraft: Bedrock Edition server version v1.20.40
[21:33:14.376] [Server thread/INFO]: Online mode is enabled. The server will verify that players are authenticated to Xbox Live.
[21:33:14.383] [Server thread/INFO]: This server is running PocketMine-MP version 5.8.3+dev
[21:33:14.383] [Server thread/INFO]: PocketMine-MP is distributed under the LGPL License
[21:33:14.590] [Server thread/INFO]: Loading resource packs...
[21:33:14.599] [Server thread/INFO]: Loading DevTools v1.17.1
[21:33:14.602] [Server thread/INFO]: [DevTools] Registered folder plugin loader
[21:33:14.602] [Server thread/INFO]: Loading NullComplexDataTest v1.0.0
[21:33:14.602] [Server thread/INFO]: Enabling DevTools v1.17.1
[21:33:14.670] [Server thread/INFO]: Preparing world "world"
[21:33:14.689] [Server thread/INFO]: Enabling NullComplexDataTest v1.0.0
[21:33:14.848] [Server thread/INFO]: Minecraft network interface running on 0.0.0.0:19132
[21:33:14.848] [Server thread/INFO]: GS4 Query listener running on 0.0.0.0:19132
[21:33:14.849] [Server thread/INFO]: Minecraft network interface running on [::]:19133
[21:33:14.849] [Server thread/INFO]: GS4 Query listener running on [::]:19133
[21:33:14.849] [Server thread/INFO]: Default game type: Survival Mode
[21:33:14.849] [Server thread/INFO]: If you find this project useful, please consider donating to support development: https://patreon.com/pocketminemp
[21:33:14.849] [Server thread/INFO]: Done (0.487s)! For help, type "help" or "?"
[21:33:14.860] [Server thread/CRITICAL]: InvalidArgumentException: "No matching thread-local data found on this thread" (EXCEPTION) in "pmsrc/src/scheduler/AsyncTask" at line 234
--- Stack trace ---
  #0 plugins/NullComplexDataTest(28): pocketmine\scheduler\AsyncTask->fetchLocal(string[4] null)
  #1 pmsrc/src/scheduler/AsyncPool(280): pocketmine\scheduler\AsyncTask@anonymous/home/luca/Desktop/PocketMine-MP/plugins/NullComplexDataTest.php:19$24f->onCompletion()
  #2 pmsrc/src/timings/TimingsHandler(198): pocketmine\scheduler\AsyncPool->pocketmine\scheduler\{closure}()
  #3 pmsrc/src/scheduler/AsyncPool(279): pocketmine\timings\TimingsHandler->time(object Closure#170837)
  #4 pmsrc/src/scheduler/AsyncPool(241): pocketmine\scheduler\AsyncPool->collectTasksFromWorker(int 1)
  #5 pmsrc/src/Server(1803): pocketmine\scheduler\AsyncPool->collectTasks()
  #6 pmsrc/src/Server(1688): pocketmine\Server->tick()
  #7 pmsrc/src/Server(1065): pocketmine\Server->tickProcessor()
  #8 pmsrc/src/PocketMine(341): pocketmine\Server->__construct(object pocketmine\thread\ThreadSafeClassLoader#6, object pocketmine\utils\MainLogger#3, string[33] /home/luca/Desktop/PocketMine-MP/, string[41] /home/luca/Desktop/PocketMine-MP/plugins/)
  #9 pmsrc/src/PocketMine(364): pocketmine\server()
--- End of exception information ---
[21:33:14.860] [Server thread/EMERGENCY]: An unrecoverable error has occurred and the server has crashed. Creating a crash dump
[21:33:14.862] [Server thread/EMERGENCY]: Please upload the "/home/luca/Desktop/PocketMine-MP/crashdumps/Sun_Nov_26-21.33.14-UTC_2023.log" file to the Crash Archive and submit the link to the Bug Reporting page. Give as much info as you can.
[21:33:18.708] [Server thread/EMERGENCY]: The crash dump has been automatically submitted to the Crash Archive. You can view it on https://crash.pmmp.io/view/9675663 or use the ID #9675663.
[21:33:18.709] [Server thread/EMERGENCY]: Forcing server shutdown
[21:33:18.709] [Server thread/INFO]: Disabling DevTools v1.17.1
[21:33:18.709] [Server thread/INFO]: Disabling NullComplexDataTest v1.0.0
[21:33:18.710] [Server thread/INFO]: Unloading world "world"
--- Waiting 116 seconds to throttle automatic restart (you can kill the process safely now) ---

NullComplexDataTest.php

<?php
declare(strict_types=1);

/**
 * @name NullComplexDataTest
 * @author TheNewHEROBRINE
 * @version 1.0.0
 * @api 5.0.0
 * @main TheNewHEROBRINE\NullComplexDataTest\Main
 */

namespace TheNewHEROBRINE\NullComplexDataTest;

use pocketmine\Server;
use function get_debug_type;

class Main extends \pocketmine\plugin\PluginBase{
	public function onEnable() : void{
		$this->getServer()->getAsyncPool()->submitTask(new class extends \pocketmine\scheduler\AsyncTask{
			public function __construct(){
				$this->storeLocal("null", null);
			}

			public function onRun() : void{
			}

			public function onCompletion() : void{
				Server::getInstance()->getLogger()->notice("Stored value is: " . get_debug_type($this->fetchLocal("null")));
				Server::getInstance()->shutdown();
			}
		});
	}
}