phalcon/cphalcon · error · Phalcon\Session\Adapter\Exceptions\AdapterRuntimeError

Could not acquire the session lock with key: {lockKey}

Error message

Could not acquire the session lock with key: {lockKey}

What it means

Error "Could not acquire the session lock with key: {lockKey}" thrown in phalcon/cphalcon.

Source

Thrown at phalcon/Session/Adapter/Redis.zep:111

     */
    public function destroy(string id) -> bool
    {
        var result;

        let result = parent::destroy(id);

        this->releaseLock();

        return result;
    }

    /**
     * Read
     */
    public function read(string id) -> string
    {
        if (true === this->lockingEnabled && true !== this->acquireLock(id)) {
            throw new AdapterRuntimeError(
                "Could not acquire the session lock with key: " . this->lockKey
            );
        }

        return parent::read(id);
    }

    /**
     * Tries to acquire the session lock, pausing `lockWaitTime` microseconds
     * between attempts, up to `lockRetries` times
     */
    protected function acquireLock(string id) -> bool
    {
        var client, lockKey, result, token;
        int attempt;

        let lockKey = this->prefix . id . "-lock";

View on GitHub (pinned to b7419de9cd)

When it happens

Trigger: Thrown at phalcon/Session/Adapter/Redis.zep:111 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phalcon/cphalcon@b7419de9cd (2026-08-21). Data as JSON: /api/errors/c3f406d70cc57b88. Report an issue: GitHub.