Examples of org.apache.log4j.Logger.error()

org.apache.log4j.Logger.error()
Log a message with the ERROR level with message formatting done according to the messagePattern and the arguments arg1 and arg2.
This form avoids superflous parameter construction. Whenever possible, you should use this form instead of constructing the message parameter using string concatenation. @param messagePattern The message pattern which will be parsed and formatted @param arg1 The first argument to replace the first formatting element @param arg2 The second argument to replace the second formatting element @since 1.3

          expKeys.addAll(eventKeys.get(2).subList(0, 80 + offset));
          for(int i = 0; i < expKeys.size(); i++)
          {
            if (! consumer.getKeys().contains(expKeys.get(i)))
            {
              log.error(i + " Key :" + expKeys.get(i) + " missing !!");
                 throw new RuntimeException("Failed at "+ i);
            }
            else
              log.info(i + " Key :" + expKeys.get(i) + " present !!");
          }

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        else{            
          model = (WeightingModel) Class.forName(name).asSubclass(WeightingModel.class).newInstance();
        }
        
      } catch(InvocationTargetException e) {
        logger.error("Recursive problem with weighting model named: "+name, e);
      } catch(Exception e) {
        logger.error("Problem with weighting model named: " + name, e);
      }
      cache.get(index).put(name, model);
    }

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        }
        
      } catch(InvocationTargetException e) {
        logger.error("Recursive problem with weighting model named: "+name, e);
      } catch(Exception e) {
        logger.error("Problem with weighting model named: " + name, e);
      }
      cache.get(index).put(name, model);
    }
    
    return model;

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        else{            
          model = (QueryExpansionModel) Class.forName(name).newInstance();
        }
        
      } catch(InvocationTargetException e) {
        logger.error("Recursive problem with weighting model named: "+name, e);
      } catch(Exception e) {
        logger.error("Problem with weighting model named: " + name, e);
      }
      cache.put(name, model);

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        }
        
      } catch(InvocationTargetException e) {
        logger.error("Recursive problem with weighting model named: "+name, e);
      } catch(Exception e) {
        logger.error("Problem with weighting model named: " + name, e);
      }
      cache.put(name, model);


    }

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   */
  public void logError(String message) {
    Logger logger = this.getLogger();
    String newMsg = this.enhanceMessage(message);
    countLines(newMsg);
    logger.error(newMsg);


  }


  /**
   * @param configurationProperties

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   * @param message
   * @param ex
   */
  public void logError(String message, Exception ex) {
    Logger logger = this.getLogger();
    logger.error(message, ex);


  }


  /**
   * Log a warning mesasge.

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                UnsafeDebugAppender kdbApp = new UnsafeDebugAppender(new PatternLayout(LAYOUT));
                kdbApp.setThreshold(Level.DEBUG);
                root.addAppender(kdbApp);
            }
        } catch (NameNotFoundException ex) {
            root.error("ConsoleManager not found", ex);
        }
    }


    /**
     * @see org.jnode.plugin.Plugin#stopPlugin()

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        final Logger log = Logger.getLogger(Log4jTest.class);


        log.debug("This is a debug message");
        log.info("This is a info message");
        log.warn("This is a warn message");
        log.error("This is a error message");
        log.fatal("This is a fatal message");


    }
}

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    } finally {
      if (insertStmt != null)
        try {
          insertStmt.close();
        } catch (SQLException e) {
          logger.error("failed to close insert statement");
        }
    }


  }

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