--- jsr166/src/jsr166y/ForkJoinTask.java	2011/03/04 13:29:39	1.76
+++ jsr166/src/jsr166y/ForkJoinTask.java	2011/06/10 18:10:53	1.79
@@ -1,24 +1,20 @@
 /*
  * Written by Doug Lea with assistance from members of JCP JSR-166
  * Expert Group and released to the public domain, as explained at
- * http://creativecommons.org/licenses/publicdomain
+ * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
 package jsr166y;
 
 import java.io.Serializable;
 import java.util.Collection;
-import java.util.Collections;
 import java.util.List;
 import java.util.RandomAccess;
-import java.util.Map;
 import java.lang.ref.WeakReference;
 import java.lang.ref.ReferenceQueue;
 import java.util.concurrent.Callable;
 import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.Executor;
-import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
 import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.RunnableFuture;
@@ -491,7 +487,7 @@ public abstract class ForkJoinTask<V> im
         if (e == null || (ex = e.ex) == null)
             return null;
         if (e.thrower != Thread.currentThread().getId()) {
-            Class ec = ex.getClass();
+            Class<? extends Throwable> ec = ex.getClass();
             try {
                 Constructor<?> noArgCtor = null;
                 Constructor<?>[] cs = ec.getConstructors();// public ctors only