Package org.apache.pig.backend

Examples of org.apache.pig.backend.BackendException

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    public void killJob(String jobID, Configuration conf) throws BackendException {
        if (runningJob != null && runningJob.getApplicationId().toString() == jobID) {
            try {
                runningJob.killJob();
            } catch (Exception e) {
                throw new BackendException(e);
            }
        } else {
            log.info("Cannot find job: " + jobID);
        }
    }
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                    job.killJob();
                    log.info("Kill " + id + " submitted.");
                }
            }
        } catch (IOException e) {
            throw new BackendException(e);
        }
    }
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                    job.killJob();
                    log.info("Kill " + id + " submitted.");
                }
            }
        } catch (IOException e) {
            throw new BackendException(e);
        }
    }
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  protected void setKeyType(Class<?> keyClass) throws BackendException {
    this.keyType |= inferPigDataType(keyClass);
    if (keyType == DataType.ERROR) {
      LOG.warn("Unable to translate key "+key.getClass()+" to a Pig datatype");
      throw new BackendException("Unable to translate "+key.getClass()+" to a Pig datatype");
    }
  }
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  protected void setValueType(Class<?> valueClass) throws BackendException {
    this.valType |= inferPigDataType(valueClass);
    if (keyType == DataType.ERROR) {
      LOG.warn("Unable to translate key "+key.getClass()+" to a Pig datatype");
      throw new BackendException("Unable to translate "+key.getClass()+" to a Pig datatype");
    }
  }
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      outgoing.add(getJavaObj(tuple.get(i++), fSchema));
    }
    try {
      writer.write(null, new DefaultHCatRecord(outgoing));
    } catch (InterruptedException e) {
      throw new BackendException("Error while writing tuple: "+tuple, PigHCatUtil.PIG_EXCEPTION_CODE, e);
    }
  }
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        return pigObj;
      case SMALLINT:
      case TINYINT:
      case BOOLEAN:
        // would not pass schema validation anyway
        throw new BackendException("Incompatible type "+type+" found in hcat table schema: "+hcatFS, PigHCatUtil.PIG_EXCEPTION_CODE);
      default:
        throw new BackendException("Unexpected type "+type+" for value "+pigObj + (pigObj == null ? "" : " of class " + pigObj.getClass().getName()), PigHCatUtil.PIG_EXCEPTION_CODE);
      }
    } catch (BackendException e) {
      // provide the path to the field in the error message
      throw new BackendException(
          (hcatFS.getName() == null ? " " : hcatFS.getName()+".") + e.getMessage(),
          e.getCause() == null ? e : e.getCause());
    }
  }
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  protected void setKeyType(Class<?> keyClass) throws BackendException {
    this.keyType |= inferPigDataType(keyClass);
    if (keyType == DataType.ERROR) {
      LOG.warn("Unable to translate key "+key.getClass()+" to a Pig datatype");
      throw new BackendException("Unable to translate "+key.getClass()+" to a Pig datatype");
    }
  }
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  protected void setValueType(Class<?> valueClass) throws BackendException {
    this.valType |= inferPigDataType(valueClass);
    if (keyType == DataType.ERROR) {
      LOG.warn("Unable to translate key "+key.getClass()+" to a Pig datatype");
      throw new BackendException("Unable to translate "+key.getClass()+" to a Pig datatype");
    }
  }
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      outgoing.add(getJavaObj(tuple.get(i++), fSchema));
    }
    try {
      writer.write(null, new DefaultHCatRecord(outgoing));
    } catch (InterruptedException e) {
      throw new BackendException("Error while writing tuple: " + tuple, PigHCatUtil.PIG_EXCEPTION_CODE, e);
    }
  }
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