// all maps must be running
app.waitForState(mapTask1, TaskState.RUNNING);
app.waitForState(mapTask2, TaskState.RUNNING);
TaskAttempt task1Attempt1 = mapTask1.getAttempts().values().iterator().next();
TaskAttempt task2Attempt = mapTask2.getAttempts().values().iterator().next();
//before sending the TA_DONE, event make sure attempt has come to
//RUNNING state
app.waitForState(task1Attempt1, TaskAttemptState.RUNNING);
app.waitForState(task2Attempt, TaskAttemptState.RUNNING);
// reduces must be in NEW state
Assert.assertEquals("Reduce Task state not correct",
TaskState.RUNNING, reduceTask.getReport().getTaskState());
/////////// Play some games with the TaskAttempts of the first task //////
//send the fail signal to the 1st map task attempt
app.getContext().getEventHandler().handle(
new TaskAttemptEvent(
task1Attempt1.getID(),
TaskAttemptEventType.TA_FAILMSG));
app.waitForState(task1Attempt1, TaskAttemptState.FAILED);
int timeOut = 0;
while (mapTask1.getAttempts().size() != 2 && timeOut++ < 10) {
Thread.sleep(2000);
LOG.info("Waiting for next attempt to start");
}
Assert.assertEquals(2, mapTask1.getAttempts().size());
Iterator<TaskAttempt> itr = mapTask1.getAttempts().values().iterator();
itr.next();
TaskAttempt task1Attempt2 = itr.next();
// This attempt will automatically fail because of the way ContainerLauncher
// is setup
// This attempt 'disappears' from JobHistory and so causes MAPREDUCE-3846
app.getContext().getEventHandler().handle(
new TaskAttemptEvent(task1Attempt2.getID(),
TaskAttemptEventType.TA_CONTAINER_LAUNCH_FAILED));
app.waitForState(task1Attempt2, TaskAttemptState.FAILED);
timeOut = 0;
while (mapTask1.getAttempts().size() != 3 && timeOut++ < 10) {
Thread.sleep(2000);
LOG.info("Waiting for next attempt to start");
}
Assert.assertEquals(3, mapTask1.getAttempts().size());
itr = mapTask1.getAttempts().values().iterator();
itr.next();
itr.next();
TaskAttempt task1Attempt3 = itr.next();
app.waitForState(task1Attempt3, TaskAttemptState.RUNNING);
//send the kill signal to the 1st map 3rd attempt
app.getContext().getEventHandler().handle(
new TaskAttemptEvent(
task1Attempt3.getID(),
TaskAttemptEventType.TA_KILL));
app.waitForState(task1Attempt3, TaskAttemptState.KILLED);
timeOut = 0;
while (mapTask1.getAttempts().size() != 4 && timeOut++ < 10) {
Thread.sleep(2000);
LOG.info("Waiting for next attempt to start");
}
Assert.assertEquals(4, mapTask1.getAttempts().size());
itr = mapTask1.getAttempts().values().iterator();
itr.next();
itr.next();
itr.next();
TaskAttempt task1Attempt4 = itr.next();
app.waitForState(task1Attempt4, TaskAttemptState.RUNNING);
//send the done signal to the 1st map 4th attempt
app.getContext().getEventHandler().handle(
new TaskAttemptEvent(
task1Attempt4.getID(),
TaskAttemptEventType.TA_DONE));
/////////// End of games with the TaskAttempts of the first task //////
//wait for first map task to complete