Build path specifies execution environment J2SE

Create a new web project in Myeclipse2017, and a warming appears:

Description ResourcePath LocationType Build path specifies execution environment JavaSE-1.7. There

solution:

1. Right-click on the project root directory, select "Build Path", and then select "Config Bulid Path..."

2. Select the "Libraries" tab in the opened window, select "JRE System Library [Java KDK VM 1.8.0_v112 Windows ]" and click "Edit..."

3. Select "Workspace default JRE (Java JDK VM 1.8.0_v112 Windows)" [PS: that is to choose the same JRE environment installed on the computer], click "OK"