fix(cron): Fix infinite loop on ParallelAware blocked jobs

Signed-off-by: Joas Schilling <coding@schilljs.com>
This commit is contained in:
Joas Schilling 2025-07-24 00:47:37 +02:00
parent d7f7b6c89d
commit 57651bba13
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@ -23,6 +23,9 @@ use function json_encode;
use function strlen;
class JobList implements IJobList {
/** @var array<string, int> */
protected array $alreadyVisitedParallelBlocked = [];
public function __construct(
protected IDBConnection $connection,
protected IConfig $config,
@ -197,6 +200,12 @@ class JobList implements IJobList {
$job = $this->buildJob($row);
if ($job instanceof IParallelAwareJob && !$job->getAllowParallelRuns() && $this->hasReservedJob(get_class($job))) {
if (!isset($this->alreadyVisitedParallelBlocked[get_class($job)])) {
$this->alreadyVisitedParallelBlocked[get_class($job)] = $job->getId();
} elseif ($this->alreadyVisitedParallelBlocked[get_class($job)] === $job->getId()) {
$this->logger->info('Skipped through all jobs and revisited a IParallelAwareJob blocked job again, giving up.', ['app' => 'cron']);
return null;
}
$this->logger->info('Skipping ' . get_class($job) . ' job with ID ' . $job->getId() . ' because another job with the same class is already running', ['app' => 'cron']);
$update = $this->connection->getQueryBuilder();
@ -209,6 +218,10 @@ class JobList implements IJobList {
return $this->getNext($onlyTimeSensitive, $jobClasses);
}
if ($job !== null && isset($this->alreadyVisitedParallelBlocked[get_class($job)])) {
unset($this->alreadyVisitedParallelBlocked[get_class($job)]);
}
$update = $this->connection->getQueryBuilder();
$update->update('jobs')
->set('reserved_at', $update->createNamedParameter($this->timeFactory->getTime()))