How to log an exception?

dmitry_fedyuk · April 16, 2016, 2:26pm

Interface

php-fig/log/blob/1.0.0/Psr/Log/LoggerInterface.php#L43-L52


/**
 * Critical conditions.
 *
 * Example: Application component unavailable, unexpected exception.
 *
 * @param string $message
 * @param array $context
 * @return null
 */
public function critical($message, array $context = array());

Implementation

github.com

Seldaek/monolog/blob/1.16.0/src/Monolog/Logger.php#L582-L594


/**
 * Adds a log record at the CRITICAL level.
 *
 * This method allows for compatibility with common interfaces.
 *
 * @param  string  $message The log message
 * @param  array   $context The log context
 * @return Boolean Whether the record has been processed
 */
public function critical($message, array $context = array())
{
    return $this->addRecord(static::CRITICAL, $message, $context);
}

Details: How does \Magento\Framework\Logger\Monolog::critical() work?

A usage example

github.com

magento/magento2/blob/072a1ae/app/code/Magento/AdvancedPricingImportExport/Model/Export/AdvancedPricing.php#L275-L277


} catch (\Exception $e) {
    $this->_logger->critical($e);
}