diff --git a/spring-context/src/main/java/org/springframework/instrument/classloading/ShadowingClassLoader.java b/spring-context/src/main/java/org/springframework/instrument/classloading/ShadowingClassLoader.java
index 65b905308c3..5bf88cccacf 100644
--- a/spring-context/src/main/java/org/springframework/instrument/classloading/ShadowingClassLoader.java
+++ b/spring-context/src/main/java/org/springframework/instrument/classloading/ShadowingClassLoader.java
@@ -48,7 +48,7 @@ public class ShadowingClassLoader extends DecoratingClassLoader {
 
 	/** Packages that are excluded by default. */
 	public static final String[] DEFAULT_EXCLUDED_PACKAGES =
-			new String[] {"java.", "javax.", "sun.", "oracle.", "com.sun.", "com.ibm.", "COM.ibm.",
+			new String[] {"java.", "javax.", "jdk.", "sun.", "oracle.", "com.sun.", "com.ibm.", "COM.ibm.",
 					"org.w3c.", "org.xml.", "org.dom4j.", "org.eclipse", "org.aspectj.", "net.sf.cglib",
 					"org.springframework.cglib", "org.apache.xerces.", "org.apache.commons.logging."};