ontainer();
		$processor = $container->has( $processor_class_name ) ? $container->get( $processor_class_name ) : null;

		/**
		 * Filters the instance of a processor for a given class name.
		 *
		 * @param object|null $processor The processor instance given by the dependency injection container, or null if none was obtained.
		 * @param string $processor_class_name The full class name of the processor.
		 * @return BatchProcessorInterface|null The actual processor instance to use, or null if none could be retrieved.
		 *
		 * @since 6.8.0.
		 */
		$processor = apply_filters( 'woocommerce_get_batch_processor', $processor, $processor_class_name );
		if ( ! isset( $processor ) && class_exists( $processor_class_name ) ) {
			// This is a fallback for when the batch processor is not registered in the container.
			$processor = new $processor_class_name();
		}
		if ( ! is_a( $processor, BatchProcessorInterface::class ) ) {
			throw new \Exception( "Unable to initialize batch processor instance for $processor_class_name" );
		}
		return $processor;
	}

	/**
	 * Helper method to get list of all the enqueued processors.
	 *
	 * @return array List (of string) of the class names of the enqueued processors.
	 */
	public function get_enqueued_processors(): array {
		$enqueued_processors = get_option( self::ENQUEUED_PROCESSORS_OPTION_NAME, array() );

		if ( ! is_array( $enqueued_processors ) ) {
			$this->logger->error( 'Could not fetch list of processors. Clearing up queue.', array( 'source' => 'batch-processing' ) );
			delete_option( self::ENQUEUED_PROCESSORS_OPTION_NAME );
			$enqueued_processors = array();
		}

		return $enqueued_processors;
	}

	/**
	 * Dequeue a processor once it has no more items pending processing.
	 *
	 * @param string $processor_class_name Full processor class name.
	 */
	private function dequeue_processor( string $processor_class_name ): void {
		$pending_processes = $this->get_enqueued_processors();
		if ( in_array( $processor_class_name, $pending_processes, true ) ) {
			$this->clear_processor_state( $processor_class_name );
			$pending_processes = array_diff( $pending_processes, array( $processor_class_name ) );
			$this->set_enqueued_processors( $pending_processes );
		}
	}

	/**
	 * Helper method to set the enqueued processor class names.
	 *
	 * @param array $processors List of full processor class names.
	 */
	private function set_enqueued_processors( array $processors ): void {
		update_option( self::ENQUEUED_PROCESSORS_OPTION_NAME, $processors, false );
	}

	/**
	 * Check if a particular processor is enqueued.
	 *
	 * @param string $processor_class_name Fully qualified class name of the processor.
	 *
	 * @return bool True if the processor is enqueued.
	 */
	public function is_enqueued( string $processor_class_name ): bool {
		return in_array( $processor_class_name, $this->get_enqueued_processors(), true );
	}

	/**
	 * Dequeue and de-schedule a processor instance so that it won't be processed anymore.
	 *
	 * @param string $processor_class_name Fully qualified class name of the processor.
	 * @return bool True if the processor has been dequeued, false if the processor wasn't enqueued (so nothing has been done).
	 */
	public function remove_processor( string $processor_class_name ): bool {
		$enqueued_processors = $this->get_enqueued_processors();
		if ( ! in_array( $processor_class_name, $enqueued_processors, true ) ) {
			return false;
		}

		$enqueued_processors = array_diff( $enqueued_processors, array( $processor_class_name ) );
		if ( empty( $enqueued_processors ) ) {
			$this->force_clear_all_processes();
		} else {
			update_option( self::ENQUEUED_PROCESSORS_OPTION_NAME, $enqueued_processors, false );
			as_unschedule_all_actions( self::PROCESS_SINGLE_BATCH_ACTION_NAME, array( $processor_class_name ) );
			$this->clear_processor_state( $processor_class_name );
		}

		return true;
	}

	/**
	 * Dequeues and de-schedules all the processors.
	 */
	public function force_clear_all_processes(): void {
		as_unschedule_all_actions( self::PROCESS_SINGLE_BATCH_ACTION_NAME );
		as_unschedule_all_actions( self::WATCHDOG_ACTION_NAME );

		foreach ( $this->get_enqueued_processors() as $processor ) {
			$this->clear_processor_state( $processor );
		}

		update_option( self::ENQUEUED_PROCESSORS_OPTION_NAME, array(), false );
	}

	/**
	 * Log an error that happened while processing a batch.
	 *
	 * @param \Exception              $error Exception object to log.
	 * @param BatchProcessorInterface $batch_processor Batch processor instance.
	 * @param array                   $batch Batch that was being processed.
	 */
	protected function log_error( \Exception $error, BatchProcessorInterface $batch_processor, array $batch ): void {
		$error_message = "Error processing batch for {$batch_processor->get_name()}: {$error->getMessage()}";
		$error_context = array(
			'exception' => $error,
			'source'    => 'batch-processing',
		);

		// Log only first and last, as the entire batch may be too big.
		if ( count( $batch ) > 0 ) {
			$error_context = array_merge(
				$error_context,
				array(
					'batch_start' => $batch[0],
					'batch_end'   => end( $batch ),
				)
			);
		}

		/**
		 * Filters the error message for a batch processing.
		 *
		 * @param string $error_message The error message that will be logged.
		 * @param \Exception $error The exception that was thrown by the processor.
		 * @param BatchProcessorInterface $batch_processor The processor that threw the exception.
		 * @param array $batch The batch that was being processed.
		 * @param array $error_context Context to be passed to the logging function.
		 * @return string The actual error message that will be logged.
		 *
		 * @since 6.8.0
		 */
		$error_message = apply_filters( 'wc_batch_processing_log_message', $error_message, $error, $batch_processor, $batch, $error_context );

		$this->logger->error( $error_message, $error_context );
	}

	/**
	 * Determines whether a given processor is consistently failing based on how many recent consecutive failures it has had.
	 *
	 * @since 9.1.0
	 *
	 * @param BatchProcessorInterface $batch_processor The processor that we want to check.
	 * @return boolean TRUE if processor is consistently failing. FALSE otherwise.
	 */
	private function is_consistently_failing( BatchProcessorInterface $batch_processor ): bool {
		$process_details = $this->get_process_details( $batch_processor );
		$max_attempts    = absint(
			/**
			 * Controls the failure threshold for batch processors. That is, the number of times we'll attempt to
			 * process a batch that has resulted in a failure. Once above this threshold, the processor won't be
			 * re-scheduled and will be removed from the queue.
			 *
			 * @since 9.1.0
			 *
			 * @param int $failure_threshold Maximum number of times for the processor to try processing a given batch.
			 * @param BatchProcessorInterface $batch_processor The processor instance.
			 * @param array $process_details Array with batch processor state.
			 */
			apply_filters(
				'wc_batch_processing_max_attempts',
				self::FAILING_PROCESS_MAX_ATTEMPTS_DEFAULT,
				$batch_processor,
				$process_details
			)
		);

		return absint( $process_details['recent_failures'] ?? 0 ) >= max( $max_attempts, 1 );
	}

	/**
	 * Creates log entry with details about a batch processor that is consistently failing.
	 *
	 * @since 9.1.0
	 *
	 * @param BatchProcessorInterface $batch_processor The batch processor instance.
	 * @param array                   $process_details Failing process details.
	 */
	private function log_consistent_failure( BatchProcessorInterface $batch_processor, array $process_details ): void {
		$this->logger->error(
			"Batch processor {$batch_processor->get_name()} appears to be failing consistently: {$process_details['recent_failures']} unsuccessful attempt(s). No further attempts will be made.",
			array(
				'source'        => 'batch-processing',
				'failures'      => $process_details['recent_failures'],
				'first_failure' => $process_details['batch_first_failure'],
				'last_failure'  => $process_details['batch_last_failure'],
			)
		);
	}

	/**
	 * Hooked onto 'shutdown'. This cleanup routine checks enqueued processors and whether they are scheduled or not to
	 * either re-eschedule them or remove them from the queue.
	 * This prevents stale states where Action Scheduler won't schedule any more attempts but we still report the
	 * processor as enqueued.
	 *
	 * @since 9.1.0
	 */
	private function remove_or_retry_failed_processors(): void {
		if ( ! did_action( 'wp_loaded' ) ) {
			return;
		}

		$last_error = error_get_last();
		if ( ! is_null( $last_error ) && in_array( $last_error['type'], array( E_ERROR, E_PARSE, E_CORE_ERROR, E_COMPILE_ERROR, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) {
			return;
		}

		// The most efficient way to check for an existing action is to use `as_has_scheduled_action`, but in unusual
		// cases where another plugin has loaded a very old version of Action Scheduler, it may not be available to us.
		$has_scheduled_action = function_exists( 'as_has_scheduled_action') ? 'as_has_scheduled_action' : 'as_next_scheduled_action';

		if ( call_user_func( $has_scheduled_action, self::WATCHDOG_ACTION_NAME ) ) {
			return;
		}

		$enqueued_processors    = $this->get_enqueued_processors();
		$unscheduled_processors = array_diff( $enqueued_processors, array_filter( $enqueued_processors, array( $this, 'is_scheduled' ) ) );

		foreach ( $unscheduled_processors as $processor ) {
			try {
				$instance = $this->get_processor_instance( $processor );
			} catch ( \Exception $e ) {
				continue;
			}

			$exception = new \Exception( 'Processor is enqueued but not scheduled. Background job was probably killed or marked as failed. Reattempting execution.' );
			$this->update_processor_state( $instance, 0, $exception );
			$this->log_error( $exception, $instance, array() );

			if ( $this->is_consistently_failing( $instance ) ) {
				$this->log_consistent_failure( $instance, $this->get_process_details( $instance ) );
				$this->remove_processor( $processor );
			} else {
				$this->schedule_batch_processing( $processor, true );
			}
		}
	}
}
<br />
<b>Fatal error</b>:  Uncaught Automattic\WooCommerce\Internal\DependencyManagement\ContainerException: Attempt to get an instance of class 'Automattic\WooCommerce\Internal\BatchProcessing\BatchProcessingController', which doesn't exist. in /home/htzanetatos/public_html/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php:102
Stack trace:
#0 /home/htzanetatos/public_html/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(167): Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer-&gt;get_core('Automattic\\WooC...', Array)
#1 [internal function]: Automattic\WooCommerce\Internal\DependencyManagement\RuntimeContainer-&gt;Automattic\WooCommerce\Internal\DependencyManagement\{closure}(Object(ReflectionParameter))
#2 /home/htzanetatos/public_html/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php(156): array_map(Object(Closure), Array)
#3 /home/htzanetatos/public_html/wp-content/plugins/woocommerce/src/Internal/DependencyMana in <b>/home/htzanetatos/public_html/wp-content/plugins/woocommerce/src/Internal/DependencyManagement/RuntimeContainer.php</b> on line <b>102</b><br />