diff --git a/proposal/myrmidon/src/java/org/apache/antlib/selftest/ExtensionsTest.java b/proposal/myrmidon/src/java/org/apache/antlib/selftest/ExtensionsTest.java
index ef6586fef..d8b2a8a30 100644
--- a/proposal/myrmidon/src/java/org/apache/antlib/selftest/ExtensionsTest.java
+++ b/proposal/myrmidon/src/java/org/apache/antlib/selftest/ExtensionsTest.java
@@ -23,5 +23,24 @@ public class ExtensionsTest
         throws TaskException
     {
         ExtensionsLoadedClass.doSomething();
+
+        Class clazz = null;
+        try
+        {
+            clazz = Class.forName( "sun.tools.javac.Main" );
+        }
+        catch( ClassNotFoundException e )
+        {
+            try
+            {
+                clazz = Class.forName( "com.sun.tools.javac.Main" );
+            }
+            catch( ClassNotFoundException e1 )
+            {
+                throw new TaskException( "Unable to locate compilers from tools.jar" );
+            }
+        }
+
+        System.out.println( "Compiler loaded from tools.jar = " + clazz );
     }
 }
diff --git a/proposal/myrmidon/src/manifest/selftest-extension1.mf b/proposal/myrmidon/src/manifest/selftest-extension1.mf
index c58bdb884..1a8b061df 100644
--- a/proposal/myrmidon/src/manifest/selftest-extension1.mf
+++ b/proposal/myrmidon/src/manifest/selftest-extension1.mf
@@ -6,4 +6,6 @@ Specification-Vendor: Jakarta Apache
 Implementation-Vendor-Id: org.apache.avalon
 Implementation-Vendor: Apache Avalon Project
 Implementation-Version: 1.0.2
-
+Extension-List: tools
+tools-Extension-Name: com.sun.tools
+tools-Specification-Version: 1.0