Centos yum安裝軟件報軟件包下載失敗

運行yum -y install java 時報 設置安裝進程 Loading mirror speeds from cached hostfile file:///media/dvdrom/repodata/repomd.xml: [Errno 14] Could not open/read file:///media/dvdrom/repodata/repomd.xml 嘗試其餘鏡像 …… 下

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