Shulou(Shulou.com)06/03 Report--

After Linux modifies jdk, it does not take effect. Here is the solution:

1. Install jdk1.8.

two。 Modify the JAVA_HOME in / etc/profile to the new jdk path and execute source / etc/profile.

3. Execute java-version, which shows that jdk is still version 1.7.

4. Execute:

Which javawhich javac

Delete the java and javac files in the execution results of the above two instructions.

5. Execute:

Ln-s $JAVA_HOME/bin/java / usr/bin/javaln-s $JAVA_HOME/bin/javac / usr/bin/javac

6. Execute:

Source / etc/profile

7. Execute java-version and you can see that jdk is switched to version 1.8.

Note:

If you do not have permission to execute the error report java file, first set the permission to the java file: chmod upright x java.

These are the details of what to do if linux jdk does not take effect. Please pay more attention to other related articles!

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