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From Peter Firmstone <peter.firmst...@zeus.net.au>
Subject IsolatedExecutor
Date Tue, 13 Sep 2011 23:20:00 GMT
Although I plan to set up a sub process jvm for isolation, I originally 
wrote the following IsolatedExecutor in an attempt to contain the damage 
remote code could do during discovery V1 or unmarshalling.

Discovery or unmarshalling can be executed in a Runnable or Callable and 
be isolated to a single thread with no privileges, it handles 
StackOverflowError and OutOfMemoryError gracefully, without blowing up 
the jvm.

Once an Error's occurs, the executor thread is interrupted and the 
Executor shutdown.

Attacks that remote code could perform has not been eliminated, such as 
changing public static fields, or insufficiently guarded static methods.

To further isolate the remote code, it's ClassLoader could load it's own 
jsk-platform, so platform classes aren't shared, reducing the shared 
state to the java platform's static fields and methods.

To eliminate all shared state, the remote code can be placed in a sub 
process jvm.

The IsolatedExecutor could be made multi threaded, the first thread that 
threw an Error would cause the executor to shutdown, however other 
threads may cause the jvm to also throw errors, but these could be handled.

I don't think it's advisable to continue execution after an Error is 
encountered, instead, the cause should be logged and the jvm gracefully 
shutdown and restarted.

In a multithreaded application, any thread outside of the 
IsolatedExecutor could throw an OutOfMemoryError.  To handle this a 
ThreadGroup UncaughtExceptionHandler could be set in the parent 
ThreadGroup, to log the error and restart the jvm.  Since the jvm 
ignores any exceptions thrown from the UncaughtExceptionHandler, you 
can't really recover from that situation.

If the IsolatedExecutor catches the Error first, the caller has the 
opportunity to identify the task that caused the issue and perform some 
detailed reporting prior to restarting.

This functionality would be useful to restart a sub process jvm.

In existing ExecutorService implementations, RunnableFuture swallows 
Throwable, the ExecutorService is unable to shutdown the thread, even 
when the client calls back.  The difference with IsolatedExecutor, is 
the thread that run's the future calls get after completion, set its 
interrupt status and shuts down the executor.

I've got some junit tests that deliberately cause OutOfMemoryError and 
StackOverflowError, on one occassion with a standard ExecutorService, it 
caused one OS (Windows 7) to go into some kind of hard shutdown, no such 
problem with IsolatedExecutor, in fact junit goes on and finishes all 
the other tests after IsolatedExecutor passes it's junit tests, catching 
both types of error.

I am of course wondering if I can use reflective proxy's with 
InvocationHandler's to encapsulate all calls in Callable, to a proxy 
that runs in a sub process jvm within it's own Classloader containing 
jsk-platform.jar

An alternative to this sort of isolation would be to have some kind of 
trust advisory service that downloads codebases and runs FindBugs 
bytecode analysis?

I mean, we don't have to run the code to find out if it has a nasty bug.

Just thought I'd post this in case someone else finds it interesting.

Cheers,

Peter.

/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership. The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License. You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

package org.apache.river.impl.security.dos;

import java.util.Collection;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Callable;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor.AbortPolicy;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

/**
  * Performs Callable tasks in an isolated thread, which is terminated
  * if any Errors occur.   The daemon thread priority is minimal.
  *
  * The caller can give up on the execution of the task by setting a 
timeout.
  *
  * @param T
  * @author peter
  */
public class IsolatedExecutor<T> implements ExecutorService {
     /*
      * We could optionally make this multithreaded, however once an Error
      * occurs we'd still need to shut down.
      */

     private final ExecutorService isolateExecutor;
     private volatile byte [] free;

     public IsolatedExecutor()
     {
         /* This Executor is single threaded, but that thread is replaced
          * if idle for extended periods.
          * SynchronousQueue has zero capacity, so it cannot create 
memory problems.
          */
     isolateExecutor = new Executor(0, 1,
                                       600L, TimeUnit.SECONDS,
                                       new SynchronousQueue<Runnable>(),
                                       new Factory(),
                                       new AbortPolicy());
     }

     /**
      * Process Callable tasks in isolation.
      * If an ExecutionException has been thrown, the task should be 
abandoned.
      * If an IsolationException has been thrown, an Error has occurred with
      * the IsolatedExecutor and a new object should be created.
      *
      * @param task
      * @param timeout
      * @param timeUnit
      * @return
      * @throws 
org.apache.river.impl.security.dos.IsolatedExecutor.IsolationException
      * @throws java.util.concurrent.ExecutionException
      */
     public T process(Callable<T> task, long timeout, TimeUnit timeUnit) 
throws
             ExecutionException, InterruptedException, TimeoutException {
         Future<T> result = isolateExecutor.submit(task);
         return result.get(timeout, timeUnit);
     }

     public void shutdown(){
         isolateExecutor.shutdown();
     }

     public List<Runnable> shutdownNow(){
         return isolateExecutor.shutdownNow();
     }

     public boolean isShutdown(){
         return isolateExecutor.isShutdown();
     }

     public boolean isTerminated() {
         return isolateExecutor.isTerminated();
     }

     public boolean awaitTermination(long timeout, TimeUnit unit) throws 
InterruptedException {
         return isolateExecutor.awaitTermination(timeout, unit);
     }

     public <T> Future<T> submit(Callable<T> task) {
         return isolateExecutor.submit(task);
     }

     public <T> Future<T> submit(Runnable task, T result) {
         return isolateExecutor.submit(task, result);
     }

     public Future<?> submit(Runnable task) {
         return isolateExecutor.submit(task);
     }

     public <T> List<Future<T>> invokeAll(Collection<? extends 
Callable<T>> tasks) throws InterruptedException {
         return isolateExecutor.invokeAll(tasks);
     }

     public <T> List<Future<T>> invokeAll(Collection<? extends 
Callable<T>> tasks, long timeout, TimeUnit unit) throws 
InterruptedException {
         return isolateExecutor.invokeAll(tasks, timeout, unit);
     }

     public <T> T invokeAny(Collection<? extends Callable<T>> tasks) 
throws InterruptedException, ExecutionException {
         return isolateExecutor.invokeAny(tasks);
     }

     public <T> T invokeAny(Collection<? extends Callable<T>> tasks, 
long timeout, TimeUnit unit) throws InterruptedException, 
ExecutionException, TimeoutException {
         return isolateExecutor.invokeAny(tasks, timeout, unit);
     }

     public void execute(Runnable command) {
         isolateExecutor.execute(command);
     }

     private class Factory implements ThreadFactory{
         ThreadGroup group;
     Factory(){
             group = new ThreadGroup("Isolated");
             group.setDaemon(true);
             group.setMaxPriority(Thread.MIN_PRIORITY);
         }
         /*
          * Because we're only single threaded, if the existing
          * Thread exits, the ThreadGroup is destroyed.
          */
     public Thread newThread(Runnable r) {
             // Try to limit the stack size of created Threads; hint to jvm.
         Thread t = new Thread(group, r, "Isolated", 131072L);
//        t.setUncaughtExceptionHandler(new ExceptionHandler());
             free = new byte[1024]; // assign some memory
             free[0] = 1; // ensure it gets allocated by jit.
         return t;
     }
     }

//    private class ExceptionHandler implements 
Thread.UncaughtExceptionHandler{
//
//    ExceptionHandler(){
//    }
//
//    public void uncaughtException(Thread t, Throwable e) {
//        // This is only useful for logging, the jvm ignores any exceptions
//            // thrown.
//        }
//    }


     private class Executor extends ThreadPoolExecutor{
         Executor(int corePoolSize,
                               int maximumPoolSize,
                               long keepAliveTime,
                               TimeUnit unit,
                               BlockingQueue<Runnable> workQueue,
                               ThreadFactory threadFactory,
                               RejectedExecutionHandler handler){
             super( corePoolSize, maximumPoolSize, keepAliveTime, unit, 
workQueue,
                     threadFactory, handler);
         }

         @Override
         protected void afterExecute(Runnable r, Throwable t) {
             super.afterExecute(r, t);
             if (t == null && r instanceof Future<?>) {
                 try {
                     ((Future<?>) r).get();
                 } catch (CancellationException ce) {
                     t = ce;
                 } catch (ExecutionException ee) {
                     t = ee.getCause();
                 } catch (InterruptedException ie) {
                     Thread.currentThread().interrupt(); // ignore/reset
                     shutdownNow();// Ensure the interrupt isn't cleared.
                 } finally {
                     //TODO: Implement a shutdown hook for the jvm for 
other Error's.
                     /*
                      * Even though ThreadPoolExecutor only catches a 
RuntimeException,
                      * a FutureTask catches a Throwable, so we can get 
an Error
                      * cause, wrapped in an ExecutionException.
                      */
                      if ( t instanceof OutOfMemoryError || t instanceof 
StackOverflowError ){
                         /* Do we want to take different actions based 
on the error?
                          * OutOfMemoryError doesn't mean the jvm is 
completely devoid
                          * of memory, it indicates that there wasn't enough
                          * memory to create the last object.
                          */
                         free = null; // Free some memory to allow recovery.
                         System.gc();
                         Thread.currentThread().interrupt(); // Allow 
the run method to exit
                         shutdownNow(); // Make sure the interrupt 
doen't get cleared.
                         /* It might be tempting to throw ThreadDeath, 
it's not required,
                          * instead we just let the thread stack 
overflow, or run until
                          * no more objects can be created in the jvm.  
The low
                          * thread priority ensure that performance 
isn't impacted
                          * by endless loops, however large memory 
consumption
                          * will impact performance.
                          */
                     }
                 }
             }
         }
     }
}


------------- ---------------- ---------------
Testsuite: org.apache.river.impl.security.dos.IsolateTest
Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 19.838 sec

------------- Standard Output ---------------
Stack overflow
java.util.concurrent.ExecutionException: java.lang.StackOverflowError
     at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
     at java.util.concurrent.FutureTask.get(FutureTask.java:83)
     at 
org.apache.river.impl.security.dos.IsolateTest.stackOverflow(IsolateTest.java:80)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
     at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
     at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
     at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
     at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
     at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
     at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:44)
     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
     at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
     at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
     at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
     at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:518)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.executeInVM(JUnitTask.java:1420)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:848)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.executeOrQueue(JUnitTask.java:1899)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:800)
     at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
     at sun.reflect.GeneratedMethodAccessor157.invoke(Unknown Source)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at 
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
     at org.apache.tools.ant.Task.perform(Task.java:348)
     at org.apache.tools.ant.Target.execute(Target.java:390)
     at org.apache.tools.ant.Target.performTasks(Target.java:411)
     at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
     at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
     at 
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
     at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
     at 
org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
     at 
org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
     at 
org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:154)
Caused by: java.lang.StackOverflowError
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
     at tests.support.StackOverflowTask.callAgain(StackOverflowTask.java:20)
     at tests.support.StackOverflowTask.call(StackOverflowTask.java:16)
ArrayList overflow
java.util.concurrent.ExecutionException: java.lang.OutOfMemoryError: 
Java heap space
     at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232)
     at java.util.concurrent.FutureTask.get(FutureTask.java:91)
     at 
org.apache.river.impl.security.dos.IsolatedExecutor.process(IsolatedExecutor.java:84)
     at 
org.apache.river.impl.security.dos.IsolateTest.arrayListOverflow(IsolateTest.java:100)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
     at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
     at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
     at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
     at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
     at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
     at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:44)
     at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:180)
     at org.junit.runners.ParentRunner.access$000(ParentRunner.java:41)
     at org.junit.runners.ParentRunner$1.evaluate(ParentRunner.java:173)
     at 
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:31)
     at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
     at junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:518)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.executeInVM(JUnitTask.java:1420)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:848)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.executeOrQueue(JUnitTask.java:1899)
     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTask.execute(JUnitTask.java:800)
     at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
     at sun.reflect.GeneratedMethodAccessor157.invoke(Unknown Source)
     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
     at java.lang.reflect.Method.invoke(Method.java:597)
     at 
org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
     at org.apache.tools.ant.Task.perform(Task.java:348)
     at org.apache.tools.ant.Target.execute(Target.java:390)
     at org.apache.tools.ant.Target.performTasks(Target.java:411)
     at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
     at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
     at 
org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)
     at org.apache.tools.ant.Project.executeTargets(Project.java:1251)
     at 
org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:284)
     at 
org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
     at 
org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:154)
Caused by: java.lang.OutOfMemoryError: Java heap space
     at java.util.ArrayList.<init>(ArrayList.java:112)
     at tests.support.ArrayListOverflow.call(ArrayListOverflow.java:34)
     at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
     at java.util.concurrent.FutureTask.run(FutureTask.java:138)
     at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
     at java.lang.Thread.run(Thread.java:662)
Print Task successful
------------- ---------------- ---------------






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