1、先查看是否有版本:

#rpm -qa|grep jdk

yum安装(卸载)本地rpm包的方法(卸载本地安装的greenplum 5.19.rpm)


2、再卸载    

#yum remove Java-*-openjdk –y
#yum remove java-1.8.0-openjdk-headless-1.8.0.91-1.b14.el6.x86_64-y

卸载 greenplum: yum remove reenplum-db-5.19.0-1.el7.x86_64 -y


3、使用yum安装本地jdk的rpm包    

#yum localinstall /opt/soft/jdk-8u45-Linux-x64.rpm -y

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