Improved spring-properties-file-outside-jar with new 2.4.0 feature

spring-boot-modules/spring-boot-environment/src/main/resources/application.properties

@@ -2,6 +2,7 @@ management.endpoints.web.exposure.include=*
 management.metrics.enable.root=true
 management.metrics.enable.jvm=true
 management.endpoint.restart.enabled=true
-spring.datasource.jmx-enabled=false
+spring.datasource.tomcat.jmx-enabled=false
 spring.main.allow-bean-definition-overriding=true
-management.endpoint.shutdown.enabled=true
+management.endpoint.shutdown.enabled=true
+spring.config.import=file:./additional.properties,optional:file:/Users/home/config/jdbc.properties

spring-boot-modules/spring-boot-environment/src/test/java/com/baeldung/properties/ApplicationPropertyImportExternalFileIntegrationTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.properties;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+public class ApplicationPropertyImportExternalFileIntegrationTest {
+
+    @Value("${bael.property1}")
+    String baelProperty;
+
+    @Test
+    public void whenExternalisedPropertiesLoadedUsinApplicationProperties_thenReadValues() throws IOException {
+        assertEquals(baelProperty, "value1");
+    }
+
+}