是什么原因导致了这个of docker错误？

Question

只需遵循产品文档说明:请参阅错误日志消息。不确定错误是什么以及如何修复它。

mvn自由:devc

[INFO] Scanning for projects...
[INFO]
[INFO] ------------< io.openliberty.guides:guide-getting-started >-------------
[INFO] Building guide-getting-started 1.0-SNAPSHOT
[INFO] --------------------------------[ war ]---------------------------------
[INFO]
[INFO] --- liberty-maven-plugin:3.3.4:devc (default-cli) @ guide-getting-started ---
[INFO] CWWKM2102I: Using artifact based assembly archive : io.openliberty:openliberty- kernel:null:21.0.0.3:zip.
[INFO] CWWKM2102I: Using installDirectory : /home/zahid/Liberty-eclipse/guide-getting-started/start/target/liberty/wlp.
[INFO] CWWKM2102I: Using serverName : defaultServer.
[INFO] CWWKM2102I: Using serverDirectory : /home/zahid/Liberty-eclipse/guide-getting-started/start/target/liberty/wlp/usr/servers/defaultServer.
[INFO] Running maven-compiler-plugin:compile
[INFO] Copying 1 file to /home/zahid/Liberty-eclipse/guide-getting-started/start/target/liberty/wlp/usr/servers/defaultServer
[INFO] CWWKM2144I: Update server configuration file server.xml from /home/zahid/Liberty-eclipse/guide-getting-started/start/src/main/liberty/config/server.xml.
[INFO] Building Docker image...
[INFO] docker build --pull -f /tmp/tempDockerfile17415566016391532686 -t guide-getting-started-dev-mode /home/zahid/Liberty-eclipse/guide-getting-started/start
[ERROR] unable to prepare context: unable to evaluate symlinks in Dockerfile path: lstat /tmp/tempDockerfile17415566016391532686: no such file or directory
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  1.343 s
[INFO] Finished at: 2021-03-20T16:28:39Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal io.openliberty.tools:liberty-maven-plugin:3.3.4:devc (default-cli) on project guide-getting-started: Could not build Docker image using Dockerfile: /home/zahid/Liberty-eclipse/guide-getting-started/start/Dockerfile. Address the following docker build error and then start dev mode again: unable to prepare context: unable to evaluate symlinks in Dockerfile path: lstat /tmp/tempDockerfile17415566016391532686: no such file or directory RC=1 -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException

Answer 1

无法准备上下文:无法评估Dockerfile路径中的符号链接: lstat

解决方案:从Ubuntu 20.04中删除snappy版本

$ sudo snap删除docker

然后使用以下说明进行安装https://docs.docker.com/engine/install/ubuntu/#uninstall-docker-engine

问题: docker的快速安装被破坏。