javac: invalid target release: 1.8

Question

I recently downloaded JDK 1.8.0.0_06 that comes bundled with NetBeans. I then got to find out that my JavaFx project, that I have been developing in Java 1.7 won\'t compile in J

Answer 1

Just do this. Then invalidate IntelliJ caches (File -> Invalidate Caches)

Answer 2

I got the same issue in IntelliJ IDEA Community with Maven and I had to reimport the project by right-clicking the project in the Project tab -> Maven -> Reimport

Answer 3

1. Download JDK 8.

2. Edit your env var for JAVA_HOME to point to the new installed JDK 1.8: R-click on My Computer -> Properties -> Advanced System Settings -> Environment Variables find JAVA_HOME on the list and set it's value to something like that:

   C:\Program Files\Java\jdk1.8.0_31
   

3. Find the old version and edit it in PATH variable aswell.

4. Probably you will need to restart the system.

Should be done.