diff -r 460e37d40f12 -r acaa49a2768a jdk/src/share/classes/sun/management/ThreadImpl.java
--- a/jdk/src/share/classes/sun/management/ThreadImpl.java	Wed Oct 21 16:28:57 2009 +0200
+++ b/jdk/src/share/classes/sun/management/ThreadImpl.java	Wed Oct 21 17:33:18 2009 +0200
@@ -29,10 +29,6 @@
 import java.lang.management.ManagementFactory;
 
 import java.lang.management.ThreadInfo;
-import java.lang.management.LockInfo;
-import java.lang.management.MonitorInfo;
-import java.util.Map;
-import java.util.HashMap;
 
 import javax.management.ObjectName;
 
@@ -415,7 +411,7 @@
     private static native void resetContentionTimes0(long tid);
 
     public ObjectName getObjectName() {
-        return ObjectName.valueOf(ManagementFactory.THREAD_MXBEAN_NAME);
+        return Util.newObjectName(ManagementFactory.THREAD_MXBEAN_NAME);
     }
 
 }