运行 redis 服务器时，它显示地址已在使用 这是堆栈跟踪：
45546:C 12 Jul 2019 10:04:41.888 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
45546:C 12 Jul 2019 10:04:41.888 # Redis version=5.0.5, bits=64, commit=00000000, modified=0, pid=45546, just started
45546:C 12 Jul 2019 10:04:41.888 # Warning: no config file specified, using the default config. In order to specify a config file use redis-server /path/to/redis.conf
45546:M 12 Jul 2019 10:04:41.889 * Increased maximum number of open files to 10032 (it was originally set to 256).
45546:M 12 Jul 2019 10:04:41.890 # …