Eclipse--maven--dynamic Web Module 3.0 requires Java 1.6 error

Create Maven WebApp project times with Eclipse error dynamic Web Module 3.0 requires Java 1.6 errors

In fact, the problem is the mismatch between the two, dynamic Web Module and JDK version mismatch, the specific problem see problems

Two ways of solving

(1) above Java is 1.4, press the downward triangle to swap with the low version of the dynamic Web Module, I tried, for 2.4 or less can be

(2) can also be based on the dynamic Web Module3.0 to match the object, replace Java 1.6 and above, to see what the available JRE in your eclipse

I'm using the second method, click on the triangle above the blue line to select the 1.7 version of the JRE.

Eclipse--maven--dynamic Web Module 3.0 requires Java 1.6 error