Ignore documents that do not apply when checking mandatory locations

Closes gh-24584

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/context/config/ConfigDataEnvironment.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -348,8 +348,10 @@ class ConfigDataEnvironment {
 			ConfigDataActivationContext activationContext) {
 		Set<ConfigDataLocation> mandatoryLocations = new LinkedHashSet<>();
 		for (ConfigDataEnvironmentContributor contributor : contributors) {
+			if (contributor.isActive(activationContext)) {
 				mandatoryLocations.addAll(getMandatoryImports(contributor));
 			}
+		}
 		for (ConfigDataEnvironmentContributor contributor : contributors) {
 			if (contributor.getLocation() != null) {
 				mandatoryLocations.remove(contributor.getLocation());

spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataEnvironmentPostProcessorIntegrationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -186,6 +186,21 @@ class ConfigDataEnvironmentPostProcessorIntegrationTests {
 		assertThat(property).isEqualTo("frompropertiesfile");
 	}
 
+	@Test
+	void runWhenProfileSpecificMandatoryLocationDoesNotExistShouldNotFail() {
+		ConfigurableApplicationContext context = this.application.run("--spring.config.name=testprofiles",
+				"--spring.config.location=classpath:configdata/profiles/");
+		String property = context.getEnvironment().getProperty("my.property");
+		assertThat(property).isEqualTo("fromyamlfile");
+	}
+
+	@Test
+	void runWhenProfileSpecificMandatoryLocationDoesNotExistShouldFailWhenProfileActive() {
+		this.application.setAdditionalProfiles("prod");
+		assertThatExceptionOfType(ConfigDataResourceNotFoundException.class).isThrownBy(() -> this.application
+				.run("--spring.config.name=testprofiles", "--spring.config.location=classpath:configdata/profiles/"));
+	}
+
 	@Test
 	void runWhenHasActiveProfilesFromMultipleLocationsActivatesProfileFromOneLocation() {
 		ConfigurableApplicationContext context = this.application

spring-boot-project/spring-boot/src/test/resources/configdata/profiles/testprofiles.yml

@@ -12,4 +12,7 @@ dev:
 spring.config.activate.on-profile: other
 my:
   property: fromotherprofile
+---
+spring.config.activate.on-profile: prod
+spring.config.import: file:./non-existent.yml