Use ApplicationContext classloader for MappingCouchbaseConverter. (#1704)

Closes #1691.

Author: mikereiche

src/main/java/org/springframework/data/couchbase/core/convert/MappingCouchbaseConverter.java

@@ -29,6 +29,7 @@
 import java.util.TreeMap;
 import java.util.UUID;
 
+import org.springframework.beans.factory.BeanClassLoaderAware;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
 import org.springframework.core.CollectionFactory;
@@ -819,6 +820,10 @@ public void setApplicationContext(ApplicationContext applicationContext) {
 		if (entityCallbacks == null) {
 			setEntityCallbacks(EntityCallbacks.create(applicationContext));
 		}
+		ClassLoader classLoader = applicationContext.getClassLoader();
+		if (this.typeMapper instanceof BeanClassLoaderAware && classLoader != null) {
+			((BeanClassLoaderAware) this.typeMapper).setBeanClassLoader(classLoader);
+		}
 	}
 
 	/**