#Tip to Change port of Spring boot App & Enable Auto build in Eclipse.

To change the port of the Spring boot web app you just need to add the below line inside the main function.

 System.getProperties().put( "server.port", 8083 );  //8083 port is set here
 
 eg:
 package hello;

import java.util.Arrays;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;

@SpringBootApplication
public class Application {
    
    public static void main(String[] args) {
    
    	   System.getProperties().put( "server.port", 8083 );  //8083 port is set here
    	 
    	   ApplicationContext ctx = SpringApplication.run(Application.class, args);
        
        System.out.println("Let's inspect the beans provided by Spring Boot:");
        
        String[] beanNames = ctx.getBeanDefinitionNames();
        Arrays.sort(beanNames);
        for (String beanName : beanNames) {
            System.out.println(beanName);
        }
    }

}

To Enable autobuild for spring boot app to reflect the changes into the browser from eclipse you just need to make a small update in src/pom.xml


please add the below line into one of the dependency 

   <scope>runtime</scope>
eg:
         
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <scope>runtime</scope>
        </dependency>
        

Hope this helps

Spring boot Eclipse port rebuild

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