docker端口映射或启动容器时报错Error response from daemon: Container is not running

docker端口映射或启动容器时：

docker exec -it 7c5a2350c4cb /bin/bash

出现了错误：

Error response from daemon: Container 757d542c43e598d6693297fea6e8f15840f2e7de548290a9155400cafb83aaca is not running

解决：

docker start 757d542c43e5