protected function getExceptionLinesFromLogFile()
    {
        $exceptionLogLines = file($this->exceptionLogFile, FILE_IGNORE_NEW_LINES);
        if (false === $exceptionLogLines) {
            throw new \OxidEsales\Eshop\Core\Exception\StandardException('File ' . $this->exceptionLogFile . ' could not be read');
        }

        $exceptionEntries = array_filter(
            $exceptionLogLines,
            function ($entry) {
                return false !== strpos($entry, '.ERROR') && false !== strpos($entry, 'Exception');
            }
        );

        return $exceptionEntries;
    }