BAEL-6532: Define main class when using multiple profiles in a Spring Boot project (#14267)

Co-authored-by: Tapan Avasthi <tavasthi@Tapans-MacBook-Air.local>

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/bootcustomfilters/SpringBootFiltersApplication.java

@@ -2,13 +2,15 @@ package com.baeldung.bootcustomfilters;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
 
 /**
  * Boot application
  * @author hemant
  *
  */
-@SpringBootApplication
+@Profile("filter")
+@SpringBootApplication(scanBasePackages = "com.baeldung.bootcustomfilters.*")
 public class SpringBootFiltersApplication {
 
 	public static void main(String[] args) {

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/changeport/CustomApplication.java

@@ -4,8 +4,10 @@ import java.util.Collections;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
 
-@SpringBootApplication
+@Profile("customapplication")
+@SpringBootApplication(scanBasePackages = "com.baeldung.changeport")
 public class CustomApplication {
 
     public static void main(String[] args) {

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/errorhandling/ErrorHandlingApplication.java

@@ -2,7 +2,9 @@ package com.baeldung.errorhandling;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
 
+@Profile("errorhandling")
 @SpringBootApplication(scanBasePackages = "com.baeldung.errorhandling")
 public class ErrorHandlingApplication {
 

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/failureanalyzer/FailureAnalyzerApplication.java

@@ -2,10 +2,12 @@ package com.baeldung.failureanalyzer;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
 
 import javax.annotation.security.RolesAllowed;
 
-@SpringBootApplication
+@Profile("failureanalyzer")
+@SpringBootApplication(scanBasePackages = "com.baeldung.failureanalyzer")
 public class FailureAnalyzerApplication {
     @RolesAllowed("*")
     public static void main(String[] args) {

spring-boot-modules/spring-boot-basic-customization/src/main/java/com/baeldung/favicon/FaviconApplication.java

@@ -2,8 +2,10 @@ package com.baeldung.favicon;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Profile;
 
-@SpringBootApplication
+@Profile("favicon")
+@SpringBootApplication(scanBasePackages = "com.baeldung.favicon")
 public class FaviconApplication {
 
     public static void main(String[] args) {