Examples of java.sql.Connection.rollback()

java.sql.Connection.rollback()
Rollback drops all changes made since the previous commit/rollback and releases any database locks currently held by the Connection. This method should only be used when auto commit has been disabled. @exception SQLException if a database-access error occurs. @see #setAutoCommit

    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while fetching out delivery notes list",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }
      throw new Exception(ex.getMessage());
    }

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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while updating an existing out delivery note",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }


      throw new Exception(ex.getMessage());

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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while updating an existing out delivery note row",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }


      throw new Exception(ex.getMessage());

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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while deleting existing out delivery note rows",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }


      throw new Exception(ex.getMessage());

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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"updateOutQuantities","Error while updating out quantites in sale documents",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }
      throw new Exception(ex.getMessage());
    }

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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"updateOutQuantities","Error while updating out quantites in sale documents",ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }
      throw new Exception(ex.getMessage());
    }

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        return;
      java.util.List fieldsVO = ((VOListResponse)res).getRows();


      Response answer = bean.importData(processVO,fieldsVO,langsVO,"",null);
      if (answer.isError()) {
        conn.rollback();
        return;
      }
      conn.commit();
    }
    catch (Throwable ex) {

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      conn.commit();
    }
    catch (Throwable ex) {
      Logger.error(null,this.getClass().getName(),"startProcess","Error while importing data",ex);
      try {
        conn.rollback();
      }
      catch (Exception ex3) {
      }
      return;
    }

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      Logger.error(username, this.getClass().getName(),
                   "executeCommand", "Error while inserting new payments", ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }
      throw new Exception(ex.getMessage());
    }

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      Logger.error(username, this.getClass().getName(),
                   "executeCommand", "Error while inserting new payment types", ex);
      try {
        if (this.conn==null && conn!=null)
          // rollback only local connection
          conn.rollback();
      }
      catch (Exception ex3) {
      }
      throw new Exception(ex.getMessage());
    }

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