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Allow thread errors and their traces to be properly recorded in crashdumps (#5910)

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until now, any thread crash would show as a generic crash since we aren't able to get the trace from the crashed thread directly. This uses some dirty tricks to export a partially serialized stack trace to the main thread, where it can be written into a crashdump.
This enables us to see proper crash information for async tasks in the crash archive (finally!!!) as well as being able to capture RakLib errors properly.
This commit is contained in:
Dylan T
2023-07-26 16:26:03 +01:00
committed by GitHub
parent bbdcab7277
commit 82a5ea9ed3
15 changed files with 329 additions and 162 deletions
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38
src/Server.php
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@ -93,6 +93,7 @@ use pocketmine\scheduler\AsyncPool;
use pocketmine\snooze\SleeperHandler;
use pocketmine\stats\SendUsageTask;
use pocketmine\thread\log\AttachableThreadSafeLogger;
use pocketmine\thread\ThreadCrashException;
use pocketmine\thread\ThreadSafeClassLoader;
use pocketmine\timings\Timings;
use pocketmine\timings\TimingsHandler;
@ -1516,23 +1517,38 @@ class Server{
$trace = $e->getTrace();
}
$errstr = $e->getMessage();
$errfile = $e->getFile();
$errline = $e->getLine();
//If this is a thread crash, this logs where the exception came from on the main thread, as opposed to the
//crashed thread. This is intentional, and might be useful for debugging
//Assume that the thread already logged the original exception with the correct stack trace
$this->logger->logException($e, $trace);
if($e instanceof ThreadCrashException){
$info = $e->getCrashInfo();
$type = $info->getType();
$errstr = $info->getMessage();
$errfile = $info->getFile();
$errline = $info->getLine();
$printableTrace = $info->getTrace();
$thread = $info->getThreadName();
}else{
$type = get_class($e);
$errstr = $e->getMessage();
$errfile = $e->getFile();
$errline = $e->getLine();
$printableTrace = Utils::printableTraceWithMetadata($trace);
$thread = "Main";
}
$errstr = preg_replace('/\s+/', ' ', trim($errstr));
$errfile = Filesystem::cleanPath($errfile);
$this->logger->logException($e, $trace);
$lastError = [
"type" => get_class($e),
"type" => $type,
"message" => $errstr,
"fullFile" => $e->getFile(),
"file" => $errfile,
"fullFile" => $errfile,
"file" => Filesystem::cleanPath($errfile),
"line" => $errline,
"trace" => $trace
"trace" => $printableTrace,
"thread" => $thread
];
global $lastExceptionError, $lastError;