[INFO] --- exec-maven-plugin:1.3.1:exec (shelldocs) @ hadoop-common ---
> ERROR: yetus-dl: gpg unable to import
> /home/jenkins/jenkins-slave/workspace/PreCommit-HADOOP-Build/sourcedir/patchprocess/KEYS_YETUS
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 9.377 s
> [INFO] Finished at: 2020-05-28T17:37:41Z
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.codehaus.mojo:exec-maven-plugin:1.3.1:exec (shelldocs) on project
> hadoop-common: Command execution failed. Process exited with an error: 1
> (Exit value: 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