Could not fork worker {$w} — indexing its range in this proc

Error message

Could not fork worker {$w} — indexing its range in this process.

What it means

Error "Could not fork worker {$w} — indexing its range in this process." thrown in unopim/unopim.

Source

Thrown at packages/Webkul/ElasticSearch/src/Console/Command/ProductIndexer.php:313

        }

        $span = (int) ceil((($bounds->hi - $bounds->lo) + 1) / $workers);
        $children = [];
        $failed = 0;

        for ($w = 0; $w < $workers; $w++) {
            $lo = $bounds->lo + ($w * $span);
            $hi = min((int) $bounds->hi, $lo + $span - 1);

            if ($lo > $hi) {
                continue;
            }

            $pid = $forkable ? pcntl_fork() : -1;

            if ($pid === -1) {
                if ($forkable) {
                    $this->warn('Could not fork worker '.$w.' — indexing its range in this process.');
                }

                if ($this->indexRange($productIndex, $lo, $hi, $fresh) !== []) {
                    $failed++;
                }

                continue;
            }

            if ($pid === 0) {
                DB::purge();
                DB::reconnect();

                try {
                    $failedIds = $this->indexRange($productIndex, $lo, $hi, $fresh);

                    exit($failedIds === [] ? 0 : 1);
                } catch (\Throwable $e) {

View on GitHub (pinned to c27a402253)

When it happens

Trigger: Thrown at packages/Webkul/ElasticSearch/src/Console/Command/ProductIndexer.php:313 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of unopim/unopim@c27a402253 (2026-08-21). Data as JSON: /api/errors/7763760f6a6cfa10. Report an issue: GitHub.