Centos5.2 安装 jdk1.6
1)卸载 自带的jdk1.4rpm -q -a java*
查询 具体的包名(java-1.4.2-compat****)
rpm -e --nodeps 包名(java-1.4.2-compat****)
2)下载高版本的jdk
http://www.oracle.com/technetwork/java/javase/downloads/index.html
3）安装 jdk
本人下载的xxxx-linux-i586.bin
./xxxxx-linux-i586.bin 解压
安装文档 详见
http://www.oracle.com/technetwork/java/javase/install-linux-self-extracting-138783.html
4)配置 /etc/profile
export JAVA_HOME=/usr/local/jdk
export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin
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