If you want to change the compiler compliance level from terminal, you need to edit below properties in .prefs file. Bonus Tip for Java compiler level does not match the version of the installed Java project facet The original content of this file was: Īfter refreshing the project, error was gone.

Well, there is a way to do this by editing the project settings for facets. Personally I don’t like to change anything in UI, I am more inclined to do things through terminal. Below screenshot shows the Project properties window where you can set the project facets version. All I needed to do was to change the Java Project Facet version from 1.5 to 1.7. Fix for Java compiler level does not match the version of the installed Java project facetĪfter some research and looking at the project properties, I was able to fix this issue. Below screenshot shows the Problem View where this error was shown. I also changed the project compiler compliance level to 1.7 but still error was not gone. The error description was Java compiler level does not match the version of the installed Java project facet. Java compiler level does not match the version of the installed Java project facet

After that Eclipse shown me error in project, although there was no error shown in any files. Recently I imported a Maven project in Eclipse and changed the build path Library to work on Java 1.7.

How to use eclipse with jdk 7