ERROR Source option 1.5 is no longer supported. Use 1.6 or later

Question

It all happens when I was trying to build a springboot application by ./mvnw clean install

When I first run the install command, it runs into followin

Answer 1

For me the solution was to set the version of the maven compiler plugin to 3.8.0 and specify the release (9 for in your case, 11 in mine)

    
      maven-compiler-plugin
      3.8.0
      
        11