错误： Error response from daemon: conflict: unable to delete d23bdf5b1b1b (cannot be forced) - image has dependent child images
原因： 镜像有子镜像
解决办法： sudo docker rmi java:lasest
2、删除容器时出错
错误： You cannot remove a running container 07c7f27f3c81ce980c7025215f25c5faf89d1014ff98570b87e1eb87524a7a19. Stop the container before attempting removal or force remove
原因： 容器没有停止
解决办法： 停止容器 docker stop 容器名
