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MongoDB\Driver\Monitoring\SDAMSubscriber::serverClosed	MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatStarted

MongoDB\Driver\Monitoring\SDAMSubscriber	Last updated: Mon, 26 Oct 2026

MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatFailed

(mongodb >=1.13.0)

MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatFailed — Notification method for a failed server heartbeat

Description

abstract public function MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatFailed(MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent $event): void

If the subscriber is registered, this method is called when a server heartbeat (i.e. » hello command issued through » server monitoring) fails.

Parameters

event (MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent): An event object encapsulating information about the failed server heartbeat.

Return Values

No value is returned.

Errors/Exceptions

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

See Also

MongoDB\Driver\Monitoring\ServerHeartbeatFailedEvent
MongoDB\Driver\Monitoring\addSubscriber() - Registers a monitoring event subscriber globally
MongoDB\Driver\Manager::addSubscriber() - Registers a monitoring event subscriber with this Manager

MongoDB\Driver\Monitoring\SDAMSubscriber::serverClosed	MongoDB\Driver\Monitoring\SDAMSubscriber::serverHeartbeatStarted

MongoDB\Driver\Monitoring\SDAMSubscriber	Last updated: Mon, 26 Oct 2026