我正在为cloudera安装运行以下命令

./cloudera-manager-installer.bin

在接受oracle许可证后，我得到以下错误
oracle-j2sdk1.7安装失败。有关详细信息，请参阅/var/log/cloudera manager installer/1.install-oracle-j2sdk1.7.log。单击“确定”还原此安装。
当我登录到文件时 1.install-oracle-j2sdk1.7.log 通过使用 cd /var/log/cloudera-manager-installer/ 并使用 vi 1.install-oracle-j2sdk1.7.log ，我看到以下错误

Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirror.cogentco.com
 * extras: mirrors.advancedhosters.com
 * updates: mirror.umd.edu
No package oracle-j2sdk1.7 available.
Error: Nothing to do

我尝试了这里提到的每一个解决方案，当我重新安装它时，我仍然得到相同的错误。当我试着

yum clean all
find /var/cache/yum -type d | grep cloudera- | xargs rm -rf

我收到这个信息：

rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/gen/primary.xml’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/gen/primary.xml.sqlite’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/packages’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/cachecookie’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/primary.xml.gz’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/gen/primary.xml’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/gen/primary.xml.sqlite’: Permission denied
rm: cannot remove ‘/var/cache/yum/x86_64/7/cloudera-cdh5/packages’: Permission denied

有人能帮忙或给点建议吗？