1 package sample.evolve; 2 3 /** 4 * Signals that VersionManager.update() fails. 5 */ 6 public class CannotUpdateException extends Exception { CannotUpdateException(String msg)7 public CannotUpdateException(String msg) { 8 super(msg); 9 } 10 CannotUpdateException(Exception e)11 public CannotUpdateException(Exception e) { 12 super("by " + e.toString()); 13 } 14 } 15