Examples of org.apache.tez.dag.api.TezException

org.apache.tez.dag.api.TezException
Checked Exception thrown upon error

              public URI apply(LocalResource input) {
                return getLocalResourceUri(input);
              }
            }), getConfig());
      } catch (IOException e) {
        throw new TezException(e);
      }
      LOG.info("Done downloading additional AM resources");
      return downloadedURLs;
    }
  }

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      throws TezException {
    long submitTime = this.clock.getTime();
    this.state = DAGAppMasterState.RUNNING;
    this.appName = dagPlan.getName();
    if (dagNames.contains(dagPlan.getName())) {
      throw new TezException("Duplicate dag name '" + dagPlan.getName() + "'");
    }
    dagNames.add(dagPlan.getName());


    // /////////////////// Create the job itself.
    DAG newDAG = createDAG(dagPlan);

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        public List<URL> run() throws Exception {
          return processAdditionalResources(additionalAmResources);
        }
      });
    } catch (IOException e) {
      throw new TezException(e);
    } catch (InterruptedException e) {
      throw new TezException(e);
    }


    // End of creating the job.
    ((RunningAppContext) context).setDAG(currentDAG);

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            if (dagAMState.equals(DAGAppMasterState.NEW)) {
              LOG.info("DAGAppMaster is not started wait for 100ms...");
            } else if (dagAMState.equals(DAGAppMasterState.INITED)) {
              LOG.info("DAGAppMaster is not startetd wait for 100ms...");
            } else if (dagAMState.equals(DAGAppMasterState.ERROR)) {
              throw new TezException("DAGAppMaster got an error during initialization");
            } else if (dagAMState.equals(DAGAppMasterState.KILLED)) {
              throw new TezException("DAGAppMaster is killed");
            } else {
              break;
            }
          }


          if (waitingTime < TIME_OUT) {
            LOG.info("DAGAppMaster is not created wait for 100ms...");
            Thread.sleep(100);
            waitingTime += 100;
          } else {
            throw new TezException("Time out creating DAGAppMaster");
          }
        }
      } catch (Throwable t) {
        LOG.fatal("Error starting DAGAppMaster", t);
        dagAmThread.interrupt();

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  public VertexStatus getVertexStatus(String dagIdStr, String vertexName,
      Set<StatusGetOpts> statusOptions) throws TezException {
    VertexStatus status =
        getDAG(dagIdStr).getVertexStatus(vertexName, statusOptions);
    if (status == null) {
      throw new TezException("Unknown vertexName: " + vertexName);
    }


    return status;
  }

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  }


  DAG getDAG(String dagIdStr) throws TezException {
    TezDAGID dagId = TezDAGID.fromString(dagIdStr);
    if (dagId == null) {
      throw new TezException("Bad dagId: " + dagIdStr);
    }


    DAG currentDAG = getCurrentDAG();
    if (currentDAG == null) {
      throw new TezException("No running dag at present");
    }
    if (!currentDAG.getID().toString().equals(dagId.toString())) {
      LOG.warn("Current DAGID : "
          + (currentDAG.getID() == null ? "NULL" : currentDAG.getID())
          + ", Looking for string (not found): " + dagIdStr + ", dagIdObj: "
          + dagId);
      throw new TezException("Unknown dagId: " + dagIdStr);
    }


    return currentDAG;
  }

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    }
  }


  public synchronized TezAppMasterStatus getSessionStatus() throws TezException {
    if (!dagAppMaster.isSession()) {
      throw new TezException("Unsupported operation as AM not running in"
          + " session mode");
    }
    switch (dagAppMaster.getState()) {
    case NEW:
    case INITED:

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    if (args.length == 1) {
      if (args[0].equals(skipLocalityCheck)) {
        doLocalityCheck = false;
      } else {
        printUsage();
        throw new TezException("Invalid command line");
      }
    } else if (args.length > 1) {
      printUsage();
      throw new TezException("Invalid command line");
    }
    boolean status = run(getConf(), doLocalityCheck);
    return status ? 0 : 1;
  }

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    if(response.shouldDie()) {
      LOG.info("Received should die response from AM");
      return false;
    }
    if (response.getLastRequestId() != reqId) {
      throw new TezException("AM and Task out of sync"
          + ", responseReqId=" + response.getLastRequestId()
          + ", expectedReqId=" + reqId);
    }
    try {
      taskLock.readLock().lock();

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      TezTaskAttemptID taskAttemptID = request.getCurrentTaskAttemptID();
      if (taskAttemptID != null) {
        ContainerId containerIdFromMap = attemptToInfoMap.get(taskAttemptID);
        if(containerIdFromMap == null || !containerIdFromMap.equals(containerId)) {
          throw new TezException("Attempt " + taskAttemptID
            + " is not recognized for heartbeat");
        }


        if(containerInfo.lastRequestId+1 != requestId) {
          throw new TezException("Container " + containerId
              + " has invalid request id. Expected: "
              + containerInfo.lastRequestId+1
              + " and actual: " + requestId);
        }

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