Symptoms
Trying to provision packages in the EasyApache 4 interface may lead to this error:
Error: failed to retrieve repodata/filelists.xml.gz from base/7/x86_64
Description
This error occurs when there's an issue contacting the repository, or if the yum cache is corrupted.
Workaround
Update the yum cache with the following two commands to make sure it has accurate data without errors:
yum clean all
yum makecache