Linux Redhat installed a version of the JDK check version is not installed by the solution

Installing JDK Java-version under Linux is not the version you need

Setting environment variables, which is the most important

Add under the Etc/profile file

Export java_home=/usr/java/jdk1.8.0_131

Export path= $JAVA _home/bin: $PATH

Warm hint, modify the configuration file before the Bak one, in the case you are not sure, so as not to change the wrong, affecting other functions, and can not recover.

If you do not want to re-system, you can use the command source/etc/profile to make the configuration file effective immediately. Otherwise, the system can only be restarted for the configuration parameters to take effect

Verify that the environment variable is in effect

Verify that the environment variable is in effect and installed successfully

The original server has 1.4 JDK installed and the application needs to install 1.6 jdk. After installation, after configuring the 1.6JDK environment variable in/etc/profile, use the command java-version to display the original 1.4 version.

Workaround:

Cd/usr/binln-s-f/usr/java/jdk1.6.0_01/jre/bin/javaln-s-f/usr/java/jdk1.6.0_01/bin/javac make a link ok

Linux Redhat installed a version of the JDK check version is not installed by the solution