While installing Cloudera managaer 5
<p>]# cat 2.install-oracle-j2sdk1.7.log
Loaded plugins: fastestmirror
Setting up Install Process
Loading mirror speeds from cached hostfile
Error: Cannot find a valid baseurl for repo: base
Could not retrieve mirrorlist <a href="http://mirrorlist.centos.org/?release=6&amp;arch=x86_64&amp;repo=os" rel="nofollow">http://mirrorlist.centos.org/?release=6&amp;arch=x86_64&amp;repo=os</a> error was
14: PYCURL ERROR 7 - "Failed to connect to 2a01:c0:2:4:0:acff:fe1e:1e52: Network is unreachable"</p>