Merge pull request #13338 from mtheiss:master

* pr/13338:
  Polish "Retrieve javax.cache.CacheManager using Bean ClassLoader"
  Retrieve javax.cache.CacheManager using Bean ClassLoader

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/cache/JCacheCacheConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 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.
@@ -26,6 +26,7 @@ import javax.cache.Caching;
 import javax.cache.configuration.MutableConfiguration;
 import javax.cache.spi.CachingProvider;
 
+import org.springframework.beans.factory.BeanClassLoaderAware;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.condition.AnyNestedCondition;
 import org.springframework.boot.autoconfigure.condition.ConditionMessage;
@@ -61,7 +62,7 @@ import org.springframework.util.StringUtils;
 @Conditional({ CacheCondition.class,
 		JCacheCacheConfiguration.JCacheAvailableCondition.class })
 @Import(HazelcastJCacheCustomizationConfiguration.class)
-class JCacheCacheConfiguration {
+class JCacheCacheConfiguration implements BeanClassLoaderAware {
 
 	private final CacheProperties cacheProperties;
 
@@ -73,6 +74,8 @@ class JCacheCacheConfiguration {
 
 	private final List<JCachePropertiesCustomizer> cachePropertiesCustomizers;
 
+	private ClassLoader beanClassLoader;
+
 	JCacheCacheConfiguration(CacheProperties cacheProperties,
 			CacheManagerCustomizers customizers,
 			ObjectProvider<javax.cache.configuration.Configuration<?, ?>> defaultCacheConfiguration,
@@ -85,6 +88,11 @@ class JCacheCacheConfiguration {
 		this.cachePropertiesCustomizers = cachePropertiesCustomizers.getIfAvailable();
 	}
 
+	@Override
+	public void setBeanClassLoader(ClassLoader classLoader) {
+		this.beanClassLoader = classLoader;
+	}
+
 	@Bean
 	public JCacheCacheManager cacheManager(CacheManager jCacheCacheManager) {
 		JCacheCacheManager cacheManager = new JCacheCacheManager(jCacheCacheManager);
@@ -113,9 +121,9 @@ class JCacheCacheConfiguration {
 				.resolveConfigLocation(this.cacheProperties.getJcache().getConfig());
 		if (configLocation != null) {
 			return cachingProvider.getCacheManager(configLocation.getURI(),
-					cachingProvider.getDefaultClassLoader(), properties);
+					this.beanClassLoader, properties);
 		}
-		return cachingProvider.getCacheManager(null, null, properties);
+		return cachingProvider.getCacheManager(null, this.beanClassLoader, properties);
 	}
 
 	private CachingProvider getCachingProvider(String cachingProviderFqn) {

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/cache/CacheAutoConfigurationTests.java

@@ -374,6 +374,16 @@ public class CacheAutoConfigurationTests {
 				"spring.cache.jcache.config=" + configLocation);
 	}
 
+	@Test
+	public void jCacheCacheUseBeanClassLoader() {
+		String cachingProviderFqn = MockCachingProvider.class.getName();
+		load(DefaultCacheConfiguration.class, "spring.cache.type=jcache",
+				"spring.cache.jcache.provider=" + cachingProviderFqn);
+		JCacheCacheManager cacheManager = validateCacheManager(JCacheCacheManager.class);
+		assertThat(cacheManager.getCacheManager().getClassLoader())
+				.isEqualTo(this.context.getClassLoader());
+	}
+
 	@Test
 	public void ehcacheCacheWithCaches() {
 		load(DefaultCacheConfiguration.class, "spring.cache.type=ehcache");