Package org.apache.flume

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

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      }

      transaction.commit();

    } catch (ChannelException e) {
      transaction.rollback();
      logger.error(
          "Unable to get event from channel. Exception follows.", e);
      status = Status.BACKOFF;
    } catch (Exception e) {
      transaction.rollback();
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      transaction.rollback();
      logger.error(
          "Unable to get event from channel. Exception follows.", e);
      status = Status.BACKOFF;
    } catch (Exception e) {
      transaction.rollback();
      logger.error(
          "Unable to communicate with IRC server. Exception follows.",
          e);
      status = Status.BACKOFF;
      destroyConnection();
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      } else {
        sinkCounter.addToEventDrainSuccessCount(txnEventCount);
        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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            } else {
                sinkCounter.incrementBatchEmptyCount();
            }
            txn.commit();
        } catch (final IOException e) {
            txn.rollback();
            LOGGER.warn("IOException", e);
        } catch (final Throwable e) {
            txn.rollback();
            throw new EventDeliveryException(e);
        } finally {
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            txn.commit();
        } catch (final IOException e) {
            txn.rollback();
            LOGGER.warn("IOException", e);
        } catch (final Throwable e) {
            txn.rollback();
            throw new EventDeliveryException(e);
        } finally {
            txn.close();
        }
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      putEventsAndCommit(actions, incs, txn);

    } catch (Throwable e) {
      try{
        txn.rollback();
      } catch (Exception e2) {
        logger.error("Exception in rollback. Rollback might not have been " +
            "successful." , e2);
      }
      logger.error("Failed to commit transaction." +
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      transaction.begin();
      channel.put(EventBuilder.withBody("overflow event".getBytes()));
      transaction.commit();
    } catch (ChannelException e) {
      overflowed = true;
      transaction.rollback();
    } finally {
      transaction.close();
    }
    Assert.assertTrue(overflowed);
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    Transaction tx = channel.getTransaction();
    tx.begin();
    channel.put(EventBuilder.withBody("test".getBytes()));
    channel.put(EventBuilder.withBody("test".getBytes()));
    channel.put(EventBuilder.withBody("test".getBytes()));
    tx.rollback();
    tx.close();

    tx = channel.getTransaction();
    tx.begin();
    channel.put(EventBuilder.withBody("test".getBytes()));
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    Transaction tx = channel.getTransaction();
    tx.begin();
    channel.put(EventBuilder.withBody(eventBody));
    channel.put(EventBuilder.withBody(eventBody));
    channel.put(EventBuilder.withBody(eventBody));
    tx.rollback();
    tx.close();

    tx = channel.getTransaction();
    tx.begin();
    channel.put(EventBuilder.withBody(eventBody));
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