centos安装jdk-7u15-linux-x64.rpm异常解决方法

[root@localhost ~]# rpm -ivh jdk-7u15-linux-x64.rpm 

Preparing...                ########################################### [100%]

   1:jdk                    ########################################### [100%]

Unpacking JAR files...

        rt.jar...

Error: Could not open input file: /usr/java/jdk1.7.0_15/jre/lib/rt.pack

        jsse.jar...

Error: Could not open input file: /usr/java/jdk1.7.0_15/jre/lib/jsse.pack

        charsets.jar...

Error: Could not open input file: /usr/java/jdk1.7.0_15/jre/lib/charsets.pack

        tools.jar...

Error: Could not open input file: /usr/java/jdk1.7.0_15/lib/tools.pack

        localedata.jar...

Error: Could not open input file: /usr/java/jdk1.7.0_15/jre/lib/ext/localedata.pack

报出这个异常的解决方法是配置java的环境变量

[root@localhost ~]# vi /etc/profile

 末尾加上

set JAVA_HOME=/usr/java/jdk1.7.0_15
export JAVA_HOME
set PATH=$PATH:$JAVA_HOME
export PATH
set CLASSPATH=.:JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export CLASSPATH

 保存

[root@localhost ~]# java -version
java version "1.7.0_15"
Java(TM) SE Runtime Environment (build 1.7.0_15-b03)
Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)