Disconnected from the target VM, address: '127.0.0.1:40361', transport: 'socket'

I'm creating application Spring Boot 2.0. When I'm trying to debug my application it automatically disconnects and exit without any error message. Please help me to fix this.

We have this is in gradle

org.springframework.boot:spring-boot-starter-undertow

org.springframework.boot:spring-boot-starter-web

org.springframework.boot:spring-boot-starter-websocket