Package org.apache.hadoop.mapreduce.v2.app.MRAppMaster

Examples of org.apache.hadoop.mapreduce.v2.app.MRAppMaster.RunningAppContext

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      doUnregistration();
    } catch(Exception are) {
      LOG.error("Exception while unregistering ", are);
      // if unregistration failed, isLastAMRetry needs to be recalculated
      // to see whether AM really has the chance to retry
      RunningAppContext raContext = (RunningAppContext) context;
      raContext.computeIsLastAMRetry();
    }
  }
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      if (response.getIsUnregistered()) {
        // When excepting ClientService, other services are already stopped,
        // it is safe to let clients know the final states. ClientService
        // should wait for some time so clients have enough time to know the
        // final states.
        RunningAppContext raContext = (RunningAppContext) context;
        raContext.markSuccessfulUnregistration();
        break;
      }
      LOG.info("Waiting for application to be successfully unregistered.");
      Thread.sleep(rmPollInterval);
    }
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      doUnregistration();
    } catch(Exception are) {
      LOG.error("Exception while unregistering ", are);
      // if unregistration failed, isLastAMRetry needs to be recalculated
      // to see whether AM really has the chance to retry
      RunningAppContext raContext = (RunningAppContext) context;
      raContext.computeIsLastAMRetry();
    }
  }
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      if (response.getIsUnregistered()) {
        // When excepting ClientService, other services are already stopped,
        // it is safe to let clients know the final states. ClientService
        // should wait for some time so clients have enough time to know the
        // final states.
        RunningAppContext raContext = (RunningAppContext) context;
        raContext.markSuccessfulUnregistration();
        break;
      }
      LOG.info("Waiting for application to be successfully unregistered.");
      Thread.sleep(rmPollInterval);
    }
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          } catch (InterruptedException e) {
          }
        }
      }
    };
    CommitterEventHandler commitHandler =
        createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();

    JobImpl job = createStubbedJob(conf, dispatcher, 2, null);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
    assertJobState(job, JobStateInternal.SETUP);

    job.handle(new JobEvent(jobId, JobEventType.JOB_KILL));
    assertJobState(job, JobStateInternal.KILL_ABORT);

    job.handle(new JobEvent(jobId, JobEventType.JOB_KILL));
    assertJobState(job, JobStateInternal.KILLED);
    dispatcher.stop();
    commitHandler.stop();
  }
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    dispatcher.start();

    OutputCommitter committer = mock(OutputCommitter.class);
    doThrow(new IOException("forcefail"))
      .when(committer).setupJob(any(JobContext.class));
    CommitterEventHandler commitHandler =
        createCommitterEventHandler(dispatcher, committer);
    commitHandler.init(conf);
    commitHandler.start();

    AppContext mockContext = mock(AppContext.class);
    when(mockContext.hasSuccessfullyUnregistered()).thenReturn(false);
    JobImpl job = createStubbedJob(conf, dispatcher, 2, mockContext);
    JobId jobId = job.getID();
    job.handle(new JobEvent(jobId, JobEventType.JOB_INIT));
    assertJobState(job, JobStateInternal.INITED);
    job.handle(new JobStartEvent(jobId));
    assertJobState(job, JobStateInternal.FAILED);

    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_COMPLETED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_ATTEMPT_COMPLETED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_MAP_TASK_RESCHEDULED));
    assertJobState(job, JobStateInternal.FAILED);
    job.handle(new JobEvent(jobId, JobEventType.JOB_TASK_ATTEMPT_FETCH_FAILURE));
    assertJobState(job, JobStateInternal.FAILED);
    Assert.assertEquals(JobState.RUNNING, job.getState());
    when(mockContext.hasSuccessfullyUnregistered()).thenReturn(true);
    Assert.assertEquals(JobState.FAILED, job.getState());

    dispatcher.stop();
    commitHandler.stop();
  }
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    };
    ApplicationAttemptId id =
      ConverterUtils.toApplicationAttemptId("appattempt_1234567890000_0001_0");
    when(appContext.getApplicationID()).thenReturn(id.getApplicationId());
    when(appContext.getApplicationAttemptId()).thenReturn(id);
    CommitterEventHandler handler =
        new CommitterEventHandler(appContext, committer, heartbeatHandler);
    dispatcher.register(CommitterEventType.class, handler);
    return handler;
  }
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          }
        }

        //If all tasks are already done, we should go directly to FAIL_ABORT
        if(allDone) {
          job.eventHandler.handle(new CommitterJobAbortEvent(job.jobId,
            job.jobContext, org.apache.hadoop.mapreduce.JobStatus.State.FAILED)
          );
          return JobStateInternal.FAIL_ABORT;
        }
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      SingleArcTransition<JobImpl, JobEvent> {
    @Override
    public void transition(JobImpl job, JobEvent event) {
      JobCommitFailedEvent jcfe = (JobCommitFailedEvent)event;
      job.addDiagnostic("Job commit failed: " + jcfe.getMessage());
      job.eventHandler.handle(new CommitterJobAbortEvent(job.jobId,
          job.jobContext,
          org.apache.hadoop.mapreduce.JobStatus.State.FAILED));
    }
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  private static class KilledDuringCommitTransition implements
      SingleArcTransition<JobImpl, JobEvent> {
    @Override
    public void transition(JobImpl job, JobEvent event) {
      job.setFinishTime();
      job.eventHandler.handle(new CommitterJobAbortEvent(job.jobId,
          job.jobContext,
          org.apache.hadoop.mapreduce.JobStatus.State.KILLED));
    }
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Related Classes of org.apache.hadoop.mapreduce.v2.app.MRAppMaster.RunningAppContext

  • org.apache.hadoop.conf.Configuration
  • org.apache.hadoop.fs.FileSystem
  • org.apache.hadoop.fs.FSDataInputStream
  • org.apache.hadoop.fs.Path
  • org.apache.hadoop.fs.permission.FsPermission
  • org.apache.hadoop.mapred.JobConf
  • org.apache.hadoop.mapred.MapTaskAttemptImpl
  • org.apache.hadoop.mapred.TaskAttemptListenerImpl
  • org.apache.hadoop.mapred.TestClientRedirect
  • org.apache.hadoop.mapred.TestClientRedirect$AMService
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