Hadoop QA fails with "Docker failed to build yetus/hadoop:a9ad5d6"

[Virajith Jalaparti]

Hi, I keep getting " Docker failed to build yetus/hadoop:a9ad5d6. " error
when I am submitting a patch for
https://issues.apache.org/jira/browse/HDFS-11653. Can someone please help
resolve this?

Thanks,
Virajith