--- jsr166/src/test/tck/JSR166TestCase.java	2010/10/31 18:33:47	1.68
+++ jsr166/src/test/tck/JSR166TestCase.java	2010/11/19 00:20:12	1.69
@@ -289,7 +289,7 @@ public class JSR166TestCase extends Test
      * earlier by threadRecordFailure.
      */
     public void tearDown() throws Exception {
-        Throwable t = threadFailure.get();
+        Throwable t = threadFailure.getAndSet(null); 
         if (t != null) {
             if (t instanceof Error)
                 throw (Error) t;