FULL PRODUCT VERSION :
java version "1.6.0_24"
Java(TM) SE Runtime Environment (build 1.6.0_24-b07)
Java HotSpot(TM) Client VM (build 19.1-b02, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
Using the ScheduledExecutorService.scheduleAtFixedRate, if the run method of the Runnable throws a NullPointerException, the run is stops being called.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Run attached test code

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Should output "Running 1" every one second.
ACTUAL -
Outputs "Running 1" once and never again.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 *
 */
public class Main {


    private static void test1() {

        ScheduledExecutorService exe = Executors.newScheduledThreadPool(1);
        exe.scheduleAtFixedRate(new Runnable() {

            @Override
            public void run() {
                System.out.println("Running 1");
                //Integer x = null;
                //x.floatValue();
            }
        }, 1, 1, TimeUnit.SECONDS);

    }



    public static void main(String[] args) {
        try {
            test1();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Wrapping the guts of my run method with try { } catch (Throwable t) { }