Examples of org.apache.hadoop.yarn.exceptions.YarnRuntimeException

Package org.apache.hadoop.yarn.exceptions

Examples of org.apache.hadoop.yarn.exceptions.YarnRuntimeException

org.apache.hadoop.yarn.exceptions.YarnRuntimeException
Base Yarn Exception. NOTE: All derivatives of this exception, which may be thrown by a remote service, must include a String only constructor for the exception to be unwrapped on the client.

      // run the scheduler
      try {
        super.heartbeat();
      } catch (Exception e) {
        LOG.error("error in heartbeat ", e);
        throw new YarnRuntimeException(e);
      }


      List<TaskAttemptContainerAssignedEvent> result
        = new ArrayList<TaskAttemptContainerAssignedEvent>(events);
      events.clear();

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  public static String taskSymbol(TaskType type) {
    switch (type) {
      case MAP:           return "m";
      case REDUCE:        return "r";
    }
    throw new YarnRuntimeException("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 YarnRuntimeException("Unknown task symbol: "+ symbol);
  }

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      Class<?> schedulerClazz = Class.forName(schedulerClassName);
      if (ResourceScheduler.class.isAssignableFrom(schedulerClazz)) {
        return (ResourceScheduler) ReflectionUtils.newInstance(schedulerClazz,
            this.conf);
      } else {
        throw new YarnRuntimeException("Class: " + schedulerClassName
            + " not instance of " + ResourceScheduler.class.getCanonicalName());
      }
    } catch (ClassNotFoundException e) {
      throw new YarnRuntimeException("Could not instantiate Scheduler: "
          + schedulerClassName, e);
    }
  }

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    // validate max-attempts
    int globalMaxAppAttempts =
        conf.getInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
        YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
    if (globalMaxAppAttempts <= 0) {
      throw new YarnRuntimeException("Invalid global max attempts configuration"
          + ", " + YarnConfiguration.RM_AM_MAX_ATTEMPTS
          + "=" + globalMaxAppAttempts + ", it should be a positive integer.");
    }


    // validate expireIntvl >= heartbeatIntvl
    long expireIntvl = conf.getLong(YarnConfiguration.RM_NM_EXPIRY_INTERVAL_MS,
        YarnConfiguration.DEFAULT_RM_NM_EXPIRY_INTERVAL_MS);
    long heartbeatIntvl =
        conf.getLong(YarnConfiguration.RM_NM_HEARTBEAT_INTERVAL_MS,
            YarnConfiguration.DEFAULT_RM_NM_HEARTBEAT_INTERVAL_MS);
    if (expireIntvl < heartbeatIntvl) {
      throw new YarnRuntimeException("Nodemanager expiry interval should be no"
          + " less than heartbeat interval, "
          + YarnConfiguration.RM_NM_EXPIRY_INTERVAL_MS + "=" + expireIntvl
          + ", " + YarnConfiguration.RM_NM_HEARTBEAT_INTERVAL_MS + "="
          + heartbeatIntvl);
    }

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  @Override
  protected void serviceStart() throws Exception {
    try {
      doSecureLogin();
    } catch(IOException ie) {
      throw new YarnRuntimeException("Failed to login", ie);
    }


    if (this.rmContext.isHAEnabled()) {
      transitionToStandby(true);
    } else {

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      this.stopped = true;
      this.eventProcessor.interrupt();
      try {
        this.eventProcessor.join();
      } catch (InterruptedException e) {
        throw new YarnRuntimeException(e);
      }
      super.serviceStop();
    }

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        String msg =
            "Could not instantiate ApplicationHistoryWriter: "
                + conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE,
                  FileSystemApplicationHistoryStore.class.getName());
        LOG.error(msg, e);
        throw new YarnRuntimeException(msg, e);
      }
    } else {
      return new NullApplicationHistoryStore();
    }
  }

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  @Override
  public synchronized void initInternal(Configuration conf) throws Exception {
    zkHostPort = conf.get(YarnConfiguration.RM_ZK_ADDRESS);
    if (zkHostPort == null) {
      throw new YarnRuntimeException("No server address specified for " +
          "zookeeper state store for Resource Manager recovery. " +
          YarnConfiguration.RM_ZK_ADDRESS + " is not configured.");
    }
    numRetries =
        conf.getInt(YarnConfiguration.RM_ZK_NUM_RETRIES,

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              appStateData.getApplicationSubmissionContext(),
              appStateData.getUser(),
              appStateData.getState(),
              appStateData.getDiagnostics(), appStateData.getFinishTime());
        if (!appId.equals(appState.context.getApplicationId())) {
          throw new YarnRuntimeException("The child node name is different " +
              "from the application id");
        }
        rmState.appState.put(appId, appState);
        loadApplicationAttemptState(appState, appId);
      } else {

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