yum安装Development Tools报错问题

[root@superdesktop ~]# yum groupinstall "Development Tools"
Loaded plugins: fastestmirror, langpacks
There is no installed groups file.
Maybe run: yum groups mark convert (see man yum)
Determining fastest mirrors
^[[A^[[A
* base: mirrors.aliyun.com
* extras: mirrors.aliyun.com
* updates: mirrors.aliyun.com
base | 3.6 kB 00:00
epel | 5.3 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
(1/7): base/7/x86_64/group_gz | 166 kB 00:00
(2/7): epel/x86_64/updateinfo | 994 kB 00:01
(3/7): extras/7/x86_64/primary_db | 205 kB 00:01
(4/7): epel/x86_64/group_gz | 88 kB 00:05
(5/7): epel/x86_64/primary_db | 6.8 MB 00:17
(6/7): base/7/x86_64/primary_db | 6.0 MB 00:19
(7/7): updates/7/x86_64/primary_db | 6.5 MB 00:19
Warning: Group development does not have any packages to install.
Maybe run: yum groups mark install (see man yum)
No packages in any requested group available to install or update

使用清空命令
yum clean all
然后执行
yum groupinstall "Development Tools"

cd /etc/yum.repos.d
sudo wget http://public-yum.oracle.com/public-yum-el5.repo
cd /etc/pki/rpm-gpg/
sudo wget https://public-yum.oracle.com/RPM-GPG-KEY-oracle-el5

yum groupinstall "Development Tools"