Examples of org.apache.flume.Transaction.rollback()

org.apache.flume.Transaction.rollback()
Indicates that the transaction can must be aborted. It is required that a transaction be in progress when this method is invoked.

    }


    try {
      txn.commit();
    } catch (Throwable t) {
      txn.rollback();
    } finally {
      txn.close();
    }


    source.stop();

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    }


    try {
      txn.commit();
    } catch (Throwable t) {
      txn.rollback();
    } finally {
      txn.close();
    }


    source.stop();

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    }


    try {
      txn.commit();
    } catch (Throwable t) {
      txn.rollback();
    } finally {
      txn.close();
    }


    source.stop();

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      channelEvents.add(e);
    }
    try {
      txn.commit();
    } catch (Throwable t) {
      txn.rollback();
    } finally {
      txn.close();
    }
    //Since events can arrive out of order, search for each event in the array
    for (int i = 0; i < 1000 ; i++) {

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      if(event == null) {
        return Status.BACKOFF;
      }
      return Status.READY;
    } catch (IOException eIO) {
      transaction.rollback();
      LOG.warn("HDFS IO error", eIO);
      return Status.BACKOFF;
    } catch (Throwable th) {
      transaction.rollback();
      LOG.error("process failed", th);

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    } catch (IOException eIO) {
      transaction.rollback();
      LOG.warn("HDFS IO error", eIO);
      return Status.BACKOFF;
    } catch (Throwable th) {
      transaction.rollback();
      LOG.error("process failed", th);
      if (th instanceof Error) {
        throw (Error) th;
      } else {
        throw new EventDeliveryException(th);

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        // No events found, request back-off semantics from runner
        result = Status.BACKOFF;
      }
      transaction.commit();
    } catch (Exception ex) {
      transaction.rollback();
      throw new EventDeliveryException("Failed to process event: " + event, ex);
    } finally {
      transaction.close();
    }

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          reqChannel.put(event);
        }


        tx.commit();
      } catch (Throwable t) {
        tx.rollback();
        if (t instanceof Error) {
          LOG.error("Error while writing to required channel: " +
              reqChannel, t);
          throw (Error) t;
        } else {

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          optChannel.put(event);
        }


        tx.commit();
      } catch (Throwable t) {
        tx.rollback();
        LOG.error("Unable to put batch on optional channel: " + optChannel, t);
        if (t instanceof Error) {
          throw (Error) t;
        }
      } finally {

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        reqChannel.put(event);


        tx.commit();
      } catch (Throwable t) {
        tx.rollback();
        if (t instanceof Error) {
          LOG.error("Error while writing to required channel: " +
              reqChannel, t);
          throw (Error) t;
        } else {

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