unable to resolve class XXX

> Task :HelloWorld_Web:compileGroovy
startup failed:
E:GradleDemoManyModulesExampleHelloWorldHelloWorld_WebsrcmaingroovycndmahzwebHelloWorldApi.groovy: 4: unable to resolve class cn.dmahz.service.HelloService
 @ line 4, column 1.
   import cn.dmahz.service.HelloService
   ^

E:GradleDemoManyModulesExampleHelloWorldHelloWorld_WebsrcmaingroovycndmahzwebHelloWorldApi.groovy: 5: unable to resolve class cn.dmahz.service.impl.HelloServiceImpl
 @ line 5, column 1.
   import cn.dmahz.service.impl.HelloServiceImpl
   ^

2 errors

在build.gradle文件里添加以下内容，即可解决问题

    bootJar {
        enabled = false
    }

    jar {
        enabled = true
    }