Added basic exception handling.

            os.remove(self.logFilePath)

        while True:

            time.sleep(1)

            while self.redisCli.llen(self.logQueue) > 0:

            try:

                queueLen = self.redisCli.llen(self.logQueue)

            except Exception:

                queueLen = 0

                raise

            while queueLen > 0:

                try:

                    lfp = open(self.logFilePath, 'a')

                except IOError:

                    raise

                else:

                    try:

                        logRecord = self.redisCli.brpop(self.logQueue)[1].decode("utf-8")

                    except Exception:

                        raise

                    else:

                        lfp.write(logRecord + '\n')

                        queueLen -= 1

                    finally:

                        lfp.close()