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.

              "ResourceManager failed to start. Final state is "
                  + resourceManager.getServiceState());
        }
        super.serviceStart();
      } catch (Throwable t) {
        throw new YarnRuntimeException(t);
      }
      LOG.info("MiniYARN ResourceManager address: " +
               getConfig().get(YarnConfiguration.RM_ADDRESS));
      LOG.info("MiniYARN ResourceManager web address: " +
               getConfig().get(YarnConfiguration.RM_WEBAPP_ADDRESS));

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          // RM could have failed.
          throw new IOException("NodeManager " + index + " failed to start");
        }
        super.serviceStart();
      } catch (Throwable t) {
        throw new YarnRuntimeException(t);
      }
    }

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            .start(this.nmWebApp);
      this.port = this.webApp.httpServer().getPort();
    } catch (Exception e) {
      String msg = "NMWebapps failed to start.";
      LOG.error(msg, e);
      throw new YarnRuntimeException(msg, e);
    }
    super.serviceStart();
  }

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      public void run() {
        try {
          nm.start();
        } catch (Throwable e) {
          TestNodeStatusUpdater.this.nmStartError = e;
          throw new YarnRuntimeException(e);
        }
      }
    }.start();


    System.out.println(" ----- thread already started.."

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        return new ContainerManagerImpl(context, exec, del, nodeStatusUpdater,
          metrics, aclsManager, diskhandler) {
          @Override
          protected void serviceStart() {
            // Simulating failure of starting RPC server
            throw new YarnRuntimeException("Starting of RPC Server failed");
          }
        };
      }
    };

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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);
    }


    this.amRmTokenSecretManager.start();
    this.containerTokenSecretManager.start();
    this.nmTokenSecretManager.start();


    RMStateStore rmStore = rmContext.getStateStore();
    // The state store needs to start irrespective of recoveryEnabled as apps
    // need events to move to further states.
    rmStore.start();


    if(recoveryEnabled) {
      try {
        RMState state = rmStore.loadState();
        recover(state);
      } catch (Exception e) {
        // the Exception from loadState() needs to be handled for 
        // HA and we need to give up master status if we got fenced
        LOG.error("Failed to load/recover state", e);
        ExitUtil.terminate(1, e);
      }
    }


    startWepApp();
    try {
      rmDTSecretManager.startThreads();
    } catch(IOException ie) {
      throw new YarnRuntimeException("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 YarnRuntimeException(e);
      }
      super.serviceStop();
    }

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          LOG.info("Very low remaining capacity on scheduler event queue: "
              + remCapacity);
        }
        this.eventQueue.put(event);
      } catch (InterruptedException e) {
        throw new YarnRuntimeException(e);
      }
    }

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