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

org.apache.log4j.Logger.warn()
Log a message with the WARN 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

            if (Level.DEBUG == level) {
                logger.debug(message, t);
            } else if (Level.INFO == level) {
                logger.info(message, t);
            } else if (Level.WARN == level) {
                logger.warn(message, t);
            } else if (Level.ERROR == level) {
                logger.error(message, t);
            } else if (Level.FATAL == level) {
                logger.fatal(message, t);
            }

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    try {
      Thread.sleep(2000);
    }catch (Exception e) {
      // do nothing
    }
    log.warn("test 123 " + new Date());
    Assert.assertTrue("Log file should exist", logFile.exists() == true);
    logFile.delete();
  }


}

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      Thread.sleep(2000);
    }catch (Exception e) {
      // do nothing
    }
    Assert.assertTrue("Log file should not be there", logFile.exists() == false);
    log.warn("test 123 " + new Date());
    Assert.assertTrue("Log file should not be there", logFile.exists() == true);
    logFile.delete();
  }


}

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      long firstGenWindows = stats.getNumSysEvents();


      Assert.assertTrue(stats.getNumSysEvents() > 0);




      log.warn("relay1:  numDataEvents=" + firstGenDataEvents
          + " numWindows=" + firstGenWindows + " minScn="
          + firstGenMinScn + " maxScn=" + stats.getMaxScn());




      Thread.sleep(4*1000);

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            log.info(testInput.getTestName() + " succeeded");
          }
          else if (allowedKnownBadCase)
          {
            ++numVariantsFailedButAllowedForNow;
            log.warn(testInput.getTestName() + " failed to consume all events" +
                     " (known bug when last ByteBuffer == event size; ignoring for now)");
          }
          else
          {
            ++numVariantsFailed;

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        infoLog.info("Info Message");
        infoLog.debug("Debug Message");


        debugLog = Logger.getLogger("MAIN.DEBUG");
        debugLog.setLevel(Level.DEBUG);
        debugLog.warn("Warn Message");
        debugLog.info("Info Message");
        debugLog.debug("Debug Message");


        TextMessage msg;

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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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          fileAppender.activateOptions();
        }
      } 
      catch (Exception ex)
      {
        logger.warn("Can not verify the current general log appender. " 
                + "It will deleted and new one created with default setting");  
        //delete the appender and recreate a new one
        logger.removeAppender(appender);
        appender = null;
      }

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          fileAppender.activateOptions();
        }
      } 
      catch (Exception ex)
      {
        logger.warn("Can not verify the current comm log appender. " 
                + "It will deleted and new one created with default setting");  
        //delete the appender and recreate a new one
        logger.removeAppender(appender);
        appender = null;
      }

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        switch (alert.getAlertDefinition().getPriority()){
            case HIGH:
                logger.error(message);
                break;
            case MEDIUM:
                logger.warn(message);
                break;
            case LOW:
                logger.info(message);
                break;
            default: //do nothing

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