Soution: yum update failed with error, "[Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"

SYMPTOM:

yum update failed with error, '[Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found'

  http://olcentgbl.trafficmanager.net/centos/6/updates/x86_64/Packages/nss-util-3.19.1-5.el6_7.x86_64.rpm: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found"

AFFECTED OS:

• RHEL 6
• CentOS 6

SOLUTION:

1. Login as root

2. Verify the RHEL/ CentOS is the latest version ---> rpm -q centos-release
     centos-release-6-7.el6.centos.12.3.x86_64

3. yum clean all

    Loaded plugins: security
    Cleaning repos: base epel extras openlogic updates
    Cleaning up Everything

4. yum update