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 deleting a day of week in an employee calendar",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 days of week in the employee calendar", 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(),"insertItem","Error while inserting a new item in the journal",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 existing 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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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while deleting existing 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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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while deleting existing 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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    catch (Throwable ex) {
      Logger.error(username,this.getClass().getName(),"executeCommand","Error while inserting a new 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 importing data",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 inserting a new 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 fetching 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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