【问题标题】:File copied by Docker seen as a directory由 Docker 复制的文件被视为目录
【发布时间】:2016-03-29 12:35:19
【问题描述】:

我正在尝试对接 Stardog 3.1.3 社区版服务器。容器无法启动,因为它看到的是目录而不是许可证文件。作为记录,我在 Windows 上。这些是我正在遵循的步骤:

创建数据容器

docker create -v /data/stardog:/data/stardog --name stardog_data busybox /bin/true

将本地许可证密钥复制到数据容器(未在下面提到的 Dockerfile 中完成,因为许可证是特定于环境的)

docker cp .\stardog\stardog-license-key.bin stardog_data:/stardog-license-key.bin

根据以下 Dockerfile 创建镜像

docker build -t me/stardog .


FROM java:openjdk-8-jdk

ENV STARDOG_VER stardog-3.1.3
ENV STARDOG_HOME /data/stardog

COPY ${LOCAL_PATH}/${STARDOG_VER}.zip /
RUN unzip ${STARDOG_VER}.zip

WORKDIR /${STARDOG_VER}

CMD rm $STARDOG_HOME/system.lock || true && bin/stardog-admin server start && (tail -f $STARDOG_HOME/stardog.log &) && while (pidof java > /dev/null); do sleep 1; done

运行 Stardog 容器

docker run -d -p 5820:5820 --volumes-from stardog_data --name stardog me/stardog

当我执行docker ps -a 时,我看到容器在几秒钟后停止了:

CONTAINER ID        IMAGE                    COMMAND                  CREATED             STATUS                      PORTS                    NAMES
9559b22473e1        me/stardog               "/bin/sh -c 'rm $STAR"   26 minutes ago      Exited (1) 26 minutes ago                            stardog
2b929329e35e        busybox                  "/bin/true"              32 minutes ago      Created                                              stardog_data

当我使用 docker logs stardog 检查日志时,我得到了这个:

com.clarkparsia.license.InvalidLicenseException: java.io.FileNotFoundException: /data/stardog/stardog-license-key.bin (Is a directory)
        at com.clarkparsia.license.LicenseValidator.validate(LicenseValidator.java:157)
        at com.complexible.stardog.StardogLicense.findLicense(StardogLicense.java:127)
        at com.complexible.stardog.StardogLicense.<init>(StardogLicense.java:70)
        at com.complexible.stardog.Stardog.<init>(Stardog.java:158)
        at com.complexible.stardog.Stardog.initialize(Stardog.java:263)
        at com.complexible.stardog.Stardog.initialize(Stardog.java:254)
        at com.complexible.stardog.Stardog.buildServer(Stardog.java:247)
        at com.complexible.stardog.cli.impl.ServerStart.call(ServerStart.java:144)
        at com.complexible.stardog.cli.impl.ServerStart.call(ServerStart.java:47)
        at com.complexible.stardog.cli.CLIBase.execute(CLIBase.java:54)
        at com.complexible.stardog.cli.admin.CLI.main(CLI.java:194)
Caused by: java.io.FileNotFoundException: /data/stardog/stardog-license-key.bin (Is a directory)
        at java.io.FileInputStream.open0(Native Method)
        at java.io.FileInputStream.open(FileInputStream.java:195)
        at java.io.FileInputStream.<init>(FileInputStream.java:138)
        at com.clarkparsia.license.LicenseValidator.validate(LicenseValidator.java:113)
        ... 10 more
Your Stardog license is invalid.  Please contact support@clarkparsia.com for information on obtaining a new license.

似乎许可文件被认为是一个目录。我做错了什么?

我正在使用以下 Docker 版本:

Client:
 Version:      1.10.3
 API version:  1.22
 Go version:   go1.5.3
 Git commit:   20f81dd
 Built:        Thu Mar 10 21:49:11 2016
 OS/Arch:      windows/amd64

Server:
 Version:      1.10.3
 API version:  1.22
 Go version:   go1.5.3
 Git commit:   20f81dd
 Built:        Thu Mar 10 21:49:11 2016
 OS/Arch:      linux/amd64

【问题讨论】:

  • docs.docker.com/engine/reference/commandline/cp 的文档显示了几种目标成为目录的情况,例如 SRC_PATH specifies a directory DEST_PATH does not exist DEST_PATH is created as a directory and the contents of the source directory are copied into this directory 您应该将完整路径放在源和目标上
  • 我没有看到任何关于完整路径的建议,但我尝试了以下但没有成功(同样的错误):C:\Users\xxx\stardog\stardog-license-key.bin stardog_data:/data/stardog/stardog-license-key.bin。另外,AFAIK 我处于以下情况:SRC_PATH specifies a file, DEST_PATH does not exist, the file is saved to a file created at DEST_PATH。有什么想法吗?
  • docker cp 文档说The cp command behaves like the Unix cp -a command in that directories are copied recursively with permissions preserved if possible
  • 不确定这与问题有何关系。可能只是我对linux的有限了解。在我的第一条评论中,我确实尝试了stardog_data:/data/stardog/stardog-license-key.binas CONTAINER:DEST_PATH,但无济于事。你能指出问题吗?无论如何,感谢您的帮助!
  • 你的第一个例子正确吗?看起来您正在“卷”路径之外进行复制; stardog_data:/stardog-license-key.bin。如果你docker cp stardog-license-key.bin stardom_data:/data/stardog/ 会发生什么(即指定它应该复制到的目录)

标签: docker boot2docker stardog


【解决方案1】:

这似乎是与 Windows 相关的问题。我已经在本机 Ubuntu (14.04) 机器上尝试了这些完全相同的步骤,它按预期工作。我已将其提交为 bug,希望此问题能很快得到解决。

【讨论】:

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