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  • 卸载CentOs6.5自带的OpenJDK


    =============>rpm -qa|grep gcj 或者 rpm -qa | grep jdk查看jdk的具体信息

    =============>rpm -e --nodeps + 路径 卸载自带jdk

    rpm -e --nodeps java-1.5.0-gcj-1.5.0.0-29.1.el6.x86_64命令卸载相应的jdk

    rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86_64

    =============>


    [root@CRRC dev_src]# java -version
    java version "1.7.0_45"
    OpenJDK Runtime Environment (rhel-2.4.3.3.el6-x86_64 u45-b15)
    OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
    [root@CRRC dev_src]# $JAVA_HOME
    [root@CRRC dev_src]# rpm -qa|grep gcj
    [root@CRRC dev_src]# java -version
    java version "1.7.0_45"
    OpenJDK Runtime Environment (rhel-2.4.3.3.el6-x86_64 u45-b15)
    OpenJDK 64-Bit Server VM (build 24.45-b08, mixed mode)
    [root@CRRC dev_src]# rpm -qa|grep jdk
    java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86_64
    java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86_64
    [root@CRRC dev_src]# rpm -e --nodeps java-1.6.0-openjdk-1.6.0.0-1.66.1.13.0.el6.x86_64
    [root@CRRC dev_src]# rpm -qa|grep jdk
    java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86_64
    [root@CRRC dev_src]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.45-2.4.3.3.el6.x86_64
    [root@CRRC dev_src]# rpm -qa|grep jdk
    [root@CRRC dev_src]# java -version
    -bash: /usr/bin/java: No such file or directory
    [root@CRRC dev_src]#


     +

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  • 原文地址:https://www.cnblogs.com/vmkash/p/6378333.html
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