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

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


  synchronized String submitDAGToAppMaster(DAGPlan dagPlan)
      throws TezException  {
    if(currentDAG != null
        && !state.equals(DAGAppMasterState.IDLE)) {
      throw new TezException("App master already running a DAG");
    }
    if (state.equals(DAGAppMasterState.ERROR)
        || sessionStopped.get()) {
      throw new TezException("AM unable to accept new DAG submissions."
          + " In the process of shutting down");
    }


    // RPC server runs in the context of the job user as it was started in
    // the job user's UGI context
    LOG.info("Starting DAG submitted via RPC");


    if (LOG.isDebugEnabled()) {
      LOG.debug("Writing DAG plan to: "
          + TezConfiguration.TEZ_PB_PLAN_TEXT_NAME);


      File outFile = new File(TezConfiguration.TEZ_PB_PLAN_TEXT_NAME);
      try {
        PrintWriter printWriter = new PrintWriter(outFile);
        String dagPbString = dagPlan.toString();
        printWriter.println(dagPbString);
        printWriter.close();
      } catch (IOException e) {
        throw new TezException("Failed to write TEZ_PLAN to "
            + outFile.toString(), e);
      }
    }


    submittedDAGs.incrementAndGet();

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  synchronized void startPreWarmContainers(PreWarmContext preWarmContext)
      throws TezException {
    // Check if there is a running DAG
    if(currentDAG != null
        && !state.equals(DAGAppMasterState.IDLE)) {
      throw new TezException("App master already running a DAG");
    }


    // Kill current pre-warm DAG if needed
    // Launch new pre-warm DAG

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


      return status;
    }

View Full Code Here

    }


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


      if(currentDAG == null) {
        throw new TezException("No running dag at present");
      }
      if(!dagId.equals(currentDAG.getID())) {
        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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      shutdownTezAM();
    }


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

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      Class<?> sysClass = URLClassLoader.class;
      Method method;
      try {
        method = sysClass.getDeclaredMethod("addURL", parameters);
      } catch (SecurityException e) {
        throw new TezException("Failed to get handle on method addURL", e);
      } catch (NoSuchMethodException e) {
        throw new TezException("Failed to get handle on method addURL", e);
      }
      method.setAccessible(true);
      sysClassLoaderMethod = method;
    }
    for (URL url : urls) {
      try {
        sysClassLoaderMethod.invoke(sysLoader, new Object[] { url });
      } catch (IllegalArgumentException e) {
        throw new TezException("Failed to invoke addURL for rsrc: " + url, e);
      } catch (IllegalAccessException e) {
        throw new TezException("Failed to invoke addURL for rsrcs: " + urls, e);
      } catch (InvocationTargetException e) {
        throw new TezException("Failed to invoke addURL for rsrcs: " + urls, e);
      }
    }
  }

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              + ", trackingUrl=" + appReport.getTrackingUrl());
        }
        return null;
      }
    } catch (YarnException e) {
      throw new TezException(e);
    }
    return getAMProxy(conf, appReport.getHost(),
        appReport.getRpcPort(), appReport.getClientToAMToken());
  }

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          conf, appId, dag, dag.getName(), amConfig, tezJarResources, credentials);
      LOG.info("Submitting DAG to YARN"
          + ", applicationId=" + appId);
      yarnClient.submitApplication(appContext);
    } catch (YarnException e) {
      throw new TezException(e);
    }
    return getDAGClient(appId);
  }

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  public ApplicationId createApplication() throws TezException, IOException {
    try {
      return yarnClient.createApplication().
          getNewApplicationResponse().getApplicationId();
    } catch (YarnException e) {
      throw new TezException(e);
    }
  }

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              tezJarResources, sessionCredentials);
      // Set Tez Sessions to not retry on AM crashes
      appContext.setMaxAppAttempts(1);
      yarnClient.submitApplication(appContext);
    } catch (YarnException e) {
      throw new TezException(e);
    }
    sessionStarted = true;
  }

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Related Classes of org.apache.tez.dag.api.TezException

org.apache.hadoop.mapred.YarnTezDagChild

org.apache.tez.client.LocalClient

org.apache.tez.client.TestLocalMode$FailingProcessor

org.apache.tez.client.TezClient

org.apache.tez.client.TezClientUtils

org.apache.tez.client.TezSession

org.apache.tez.common.RuntimeUtils

org.apache.tez.dag.api.client.DAGClientHandler

org.apache.tez.dag.api.client.rpc.DAGClientRPCImpl

org.apache.tez.dag.app.DAGAppMaster

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