Package org.apache.hadoop.yarn

Examples of org.apache.hadoop.yarn.YarnException

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    case SUCCEEDED:
      return org.apache.hadoop.mapred.TIPStatus.COMPLETE;
    case FAILED:
      return org.apache.hadoop.mapred.TIPStatus.FAILED;
    }
    throw new YarnException("Unrecognized task state: " + state);
  }
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    case FAILED:
      return State.FAILED;
    case KILLED:
      return State.KILLED;
    }
    throw new YarnException("Unrecognized application state: " + yarnApplicationState);
  }
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  public static String taskSymbol(TaskType type) {
    switch (type) {
      case MAP:           return "m";
      case REDUCE:        return "r";
    }
    throw new YarnException("Unknown task type: "+ type.toString());
  }
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  public static TaskType taskType(String symbol) {
    // JDK 7 supports switch on strings
    if (symbol.equals("m")) return TaskType.MAP;
    if (symbol.equals("r")) return TaskType.REDUCE;
    throw new YarnException("Unknown task symbol: "+ symbol);
  }
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      doneDirFc = FileContext.getFileContext(doneDirPrefixPath.toUri(), conf);
      doneDirFc.setUMask(JobHistoryUtils.HISTORY_DONE_DIR_UMASK);
      mkdir(doneDirFc, doneDirPrefixPath, new FsPermission(
          JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION));
    } catch (IOException e) {
      throw new YarnException("Error creating done directory: ["
          + doneDirPrefixPath + "]", e);
    }

    String intermediateDoneDirPrefix = null;
    intermediateDoneDirPrefix = JobHistoryUtils
        .getConfiguredHistoryIntermediateDoneDirPrefix(conf);
    try {
      intermediateDoneDirPath = FileContext.getFileContext(conf).makeQualified(
          new Path(intermediateDoneDirPrefix));
      intermediateDoneDirFc = FileContext.getFileContext(
          intermediateDoneDirPath.toUri(), conf);
      mkdir(intermediateDoneDirFc, intermediateDoneDirPath, new FsPermission(
          JobHistoryUtils.HISTORY_INTERMEDIATE_DONE_DIR_PERMISSIONS.toShort()));
    } catch (IOException e) {
      LOG.info("error creating done directory on dfs " + e);
      throw new YarnException("Error creating intermediate done directory: ["
          + intermediateDoneDirPath + "]", e);
    }

    this.aclsMgr = new JobACLsManager(conf);
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      Class<?> schedulerClazz = Class.forName(schedulerClassName);
      if (ResourceScheduler.class.isAssignableFrom(schedulerClazz)) {
        return (ResourceScheduler) ReflectionUtils.newInstance(schedulerClazz,
            this.conf);
      } else {
        throw new YarnException("Class: " + schedulerClassName
            + " not instance of " + ResourceScheduler.class.getCanonicalName());
      }
    } catch (ClassNotFoundException e) {
      throw new YarnException("Could not instantiate Scheduler: "
          + schedulerClassName, e);
    }  }
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  @Override
  public void start() {
    try {
      doSecureLogin();
    } catch(IOException ie) {
      throw new YarnException("Failed to login", ie);
    }

    this.appTokenSecretManager.start();
    this.containerTokenSecretManager.start();

    startWepApp();
    DefaultMetricsSystem.initialize("ResourceManager");
    JvmMetrics.initSingleton("ResourceManager", null);
    try {
      rmDTSecretManager.startThreads();
    } catch(IOException ie) {
      throw new YarnException("Failed to start secret manager threads", ie);
    }

    if (getConfig().getBoolean(YarnConfiguration.IS_MINI_YARN_CLUSTER, false)) {
      String hostname = getConfig().get(YarnConfiguration.RM_WEBAPP_ADDRESS,
                                        YarnConfiguration.DEFAULT_RM_WEBAPP_ADDRESS);
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      this.stopped = true;
      this.eventProcessor.interrupt();
      try {
        this.eventProcessor.join();
      } catch (InterruptedException e) {
        throw new YarnException(e);
      }
      super.stop();
    }
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          LOG.info("Very low remaining capacity on scheduler event queue: "
              + remCapacity);
        }
        this.eventQueue.put(event);
      } catch (InterruptedException e) {
        throw new YarnException(e);
      }
    }
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    request.setNodeId(this.nodeId);
    RegistrationResponse regResponse =
        this.resourceTracker.registerNodeManager(request).getRegistrationResponse();
    // if the Resourcemanager instructs NM to shutdown.
    if (NodeAction.SHUTDOWN.equals(regResponse.getNodeAction())) {
      throw new YarnException(
          "Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed");
    }

    if (UserGroupInformation.isSecurityEnabled()) {
      MasterKey masterKey = regResponse.getMasterKey();
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Related Classes of org.apache.hadoop.yarn.YarnException

  • org.apache.hadoop.mapred.ClientCache
  • org.apache.hadoop.mapred.ClientServiceDelegate
  • org.apache.hadoop.mapred.LocalContainerLauncher
  • org.apache.hadoop.mapred.TaskAttemptListenerImpl
  • org.apache.hadoop.mapred.TestClientRedirect$AMService
  • org.apache.hadoop.mapred.YARNRunner
  • org.apache.hadoop.mapreduce.jobhistory.JobHistoryCopyService
  • org.apache.hadoop.mapreduce.jobhistory.JobHistoryEventHandler
  • org.apache.hadoop.mapreduce.jobhistory.TestJobHistoryEventHandler
  • org.apache.hadoop.mapreduce.TypeConverter
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