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每当我尝试使用 RSelenium 包时，我都会收到上述错误

shell('docker run -d -p 4445:4444 selenium/standalone-chrome')
docker: error during connect: Post 
http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.30/containers/create: open //./pipe/docker_engine: The system cannot find the file specified. In the default daemon configuration on Windows, the docker client must be run elevated to connect. This error may also indicate that the docker daemon is not running.
See 'docker run --help'.
Warning messages:
1: running command 'C:\Windows\system32\cmd.exe /c docker run -d -p 
4445:4444 selenium/standalone-chrome' had status 127 
2: In shell("docker run -d -p 4445:4444 selenium/standalone-chrome") :
  'docker run -d -p 4445:4444 selenium/standalone-chrome' execution failed with error code 127
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1 回答 1

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检查未正确设置的 docker 环境变量的状态。请检查以下命令，

docker-machine env box

（注意：默认情况下，为 docker-machine 设置的环境是默认的）

否则你可以像下面这样设置它

$ set | grep DOCKER
DOCKER_CERT_PATH=C:\Users\mohan\.docker\machine\machines\deis
DOCKER_HOST=tcp://192.168.99.100:2376
DOCKER_MACHINE_NAME=deis
DOCKER_TLS_VERIFY=1
DOCKER_TOOLBOX_INSTALL_PATH=C:\Program Files\Docker Toolbox

$ docker-machine ls
NAME   ACTIVE   DRIVER       STATE     URL                         SWARM        DOCKER        ERRORS
deis   *        virtualbox   Running   tcp://192.168.99.100:2376            v17.03.0-ce

$ docker ps -a
time="2017-03-23T11:11:55-07:00" level=info msg="Unable to use system  certificate pool: crypto/x509: system root pool is not available on Windows"
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

$ docker pull busybox
time="2017-03-23T11:13:07-07:00" level=info msg="Unable to use system  certificate pool: crypto/x509: system root pool is not available on Windows"
Using default tag: latest
latest: Pulling from library/busybox
7520415ce762: Pull complete
Digest:   sha256:32f093055929dbc23dec4d03e09dfe971f5973a9ca5cf059cbfb644c206aa83f
Status: Downloaded newer image for busybox:latest

希望这会奏效。

于 2017-08-24T08:46:20.880 回答