test/jdk/java/nio/channels/Selector/RegisterDuringSelect.java

*** 26,35 ****
--- 26,36 ----
   * @summary Test that channels can be registered, interest ops can changed,
   *          and keys cancelled while a selection operation is in progress.
   */
  
  import java.io.IOException;
+ import java.nio.channels.ClosedSelectorException;
  import java.nio.channels.Pipe;
  import java.nio.channels.SelectionKey;
  import java.nio.channels.Selector;
  import java.util.concurrent.Callable;
  import java.util.concurrent.ExecutorService;
*** 42,54 ****
--- 43,60 ----
      static Callable<Void> selectLoop(Selector sel, Phaser barrier) {
          return new Callable<Void>() {
              @Override
              public Void call() throws IOException {
                  for (;;) {
+                     try {
                          sel.select();
+                     } catch (ClosedSelectorException ignore) {
+                         return null;
+                     }
                      if (sel.isOpen()) {
                          barrier.arriveAndAwaitAdvance();
+                         System.out.println("phaser in executor ...");
                      } else {
                          // closed
                          return null;
                      }
                  }