odps-sqoop/src/java/org/apache/sqoop/manager/OracleManager.java [955:979]:
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        conn.rollback();
      } catch (SQLException ex) {
        LoggingUtils.logAll(LOG, "Failed to rollback transaction", ex);
      }
      LoggingUtils.logAll(LOG, "Failed to list columns", e);
    } finally {
      if (rset != null) {
        try {
          rset.close();
        } catch (SQLException ex) {
          LoggingUtils.logAll(LOG, "Failed to close resultset", ex);
        }
      }
      if (pStmt != null) {
        try {
          pStmt.close();
        } catch (SQLException ex) {
          LoggingUtils.logAll(LOG, "Failed to close statement", ex);
        }
      }

      try {
        close();
      } catch (SQLException ex) {
        LoggingUtils.logAll(LOG, "Unable to discard connection", ex);
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odps-sqoop/src/java/org/apache/sqoop/manager/OracleManager.java [1021:1046]:
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          conn.rollback();
        }
      } catch (SQLException ex) {
        LoggingUtils.logAll(LOG, "Failed to rollback transaction", ex);
      }
      LoggingUtils.logAll(LOG, "Failed to list columns", e);
    } finally {
      if (rset != null) {
        try {
          rset.close();
        } catch (SQLException ex) {
          LoggingUtils.logAll(LOG, "Failed to close resultset", ex);
        }
      }
      if (pStmt != null) {
        try {
          pStmt.close();
        } catch (SQLException ex) {
          LoggingUtils.logAll(LOG, "Failed to close statement", ex);
        }
      }

      try {
        close();
      } catch (SQLException ex) {
        LoggingUtils.logAll(LOG, "Unable to discard connection", ex);
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