IDEA: javac: source release 1.7 requires target release 1.7

Question

When running a JUnit test, using IntelliJ IDEA, I get

How can I correc

Answer 1

If Maven build works fine, try to synchronizing structure of Maven and IntelliJ IDEA projects.

In the Maven tool window, click refresh button . On pressing this button, IntelliJ IDEA parses the project structure in the Maven tool window.

Note that this might not help if you're using EAP build, since Maven synchronization feature may be broken sometimes.