centos7安装ORCLE JAVA

Posted 2020-09-30 路漫漫，其修远，上下而求索

查看JAVA版本

$java -version

系统自带的是JAVA-OPENJDK,需要先卸载

[[email protected] ~]# rpm -qa | grep java

javapackages-tools-3.4.1-6.el7_0.noarch

tzdata-java-2014i-1.el7.noarch
java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64
java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64
python-javapackages-3.4.1-6.el7_0.noarch
卸载OpenJDK，执行以下操作：
[[email protected]~]#rpm -e --nodeps tzdata-java-2014i-1.el7.noarch
[[email protected]~]# rpm -e --nodeps java-1.7.0-openjdk-headless-1.7.0.71-2.5.3.1.el7_0.x86_64

[[email protected]~]#rpm -e --nodeps java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64

 

安装ORALCE JDK

去ORCLE官网下载jdk-8u45-linux-x64.rpm

下载地址：http://www.oracle.com/technetwork/java/javase/downloads/index.html

[[email protected]~]#cd Downloads

[[email protected]~]#yum localinstall jdk-8u45-linux-x64.rpm