package jdk-2000:1.7.0_75-fcs.x86_64 is already installed
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linux:
采用rpm方式安装jdk
指定安装目录:
rpm -i --badreloc --relocate /usr/java=/website/programs/java jdk-7u75-linux-x64.rpm报标题异常:package jdk-2000:1.7.0_75-fcs.x86_64 is already installed
应该是之前安装过,没有卸载干净。检查已经安装过jdk
rpm -qa jdkresults 如:
jdk-1.7.0_75-fcs.x86_64
删除:
rpm -e jdk-1.7.0_75-fcs.x86_64
rpm -i --badreloc --relocate /usr/java=/website/programs/java jdk-7u75-linux-x64.rpmUnpacking JAR files...
rt.jar...
jsse.jar...
charsets.jar...
tools.jar...
localedata.jar...
jfxrt.jar...
成功。
附java环境变量配置:
1. 查看PATH
cat /etc/profile2. PATH若没有配置java环境变量,在末尾添加(此处路径默认我当前刚安装的路径)
export JAVA_HOME=/website/programs/java/jdk1.7.0_75export PATH=$JAVA_HOME/bin:$PATH3. 使修改生效
source /etc/profile
好了,可以查看配置是否正确,执行java 或 java -version 即可
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