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

org.apache.log4j.Logger.fatal()
Log a message with the FATAL 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

    log4jLogger.trace("msg" +(n++));
    log4jLogger.debug("msg" +(n++));
    log4jLogger.info("msg" +(n++));
    log4jLogger.warn("msg" +(n++));
    log4jLogger.error("msg" +(n++));
    log4jLogger.fatal("msg" +(n++));
    
    log4jCategory.debug("msg" +(n++));
    log4jCategory.info("msg" +(n++));
    log4jCategory.warn("msg" +(n++));
    log4jCategory.error("msg" +(n++));

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    l.trace("t");
    l.debug("d");
    l.info("i");
    l.warn("w");
    l.error("e");
    l.fatal("f");


    Exception e = new Exception("testing");
    l.trace("t", e);
    l.debug("d", e);
    l.info("i", e);

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    l.trace("t", e);
    l.debug("d", e);
    l.info("i", e);
    l.warn("w", e);
    l.error("e", e);
    l.fatal("f", e);
  }


}

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  //*-- loop through the list of categories and verify that a directory exists for each one.
  for (int i = 0; i < CATEGORIES.length; ++i) 
  {
   File classDir = new File(TRAINING_DIR, CATEGORIES[i]);
   if (!classDir.isDirectory()) 
   { logger.fatal("Could not find training directory=" + classDir); } 


   //*-- get the list of training files for the category and train the classifier on each of the files
   String[] trainingFiles = classDir.list();
   for (int j=0; j<trainingFiles.length; ++j) 
   {

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  Parser parser = new BrownPosParser();
  parser.setHandler(estimator);


  //*-- train on files in data directory ending in "txt"
  if (!TRAINING_DIR.isDirectory()) 
  { logger.fatal("Could not find training directory=" + TRAINING_DIR); } 
  File[] files = TRAINING_DIR.listFiles(new FileExtensionFilter("txt"));
  for (int i = 0; i < files.length; ++i) 
  { logger.debug("Training on file: " + files[i]); parser.parse(files[i]); }


  //*-- write output to file

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  //*-- loop through the list of categories and verify that a directory exists for each one.
  for (int i = 0; i < CATEGORIES.length; ++i) 
  {
   File classDir = new File(TRAINING_DIR, CATEGORIES[i]);
   if (!classDir.isDirectory()) 
   { logger.fatal("Could not find training directory=" + classDir); } 


   //*-- get the list of training files for the category and train the classifier on each of the files
   String[] trainingFiles = classDir.list();
   for (int j = 0; j < trainingFiles.length; ++j) 
   {

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  //*-- loop through the list of categories and verify that a directory exists for each one.
  for (int i = 0; i < CATEGORIES.length; ++i) 
  {
   File classDir = new File(TRAINING_DIR, CATEGORIES[i]);
   if (!classDir.isDirectory()) 
   { logger.fatal("Could not find training directory for category: " + classDir); } 


   //*-- get the list of training files for the category and train the classifier on each of the files
   String[] trainingFiles = classDir.list();
   for (int j = 0; j < trainingFiles.length; ++j) 
   {

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    // log a fatal event 
    myLogger.info("info: I have died of thirst");
    myLogger.warn("warn: I have died of thirst");
    myLogger.error("error: I have died of thirst");
    myLogger.fatal("fatal: I have died of thirst");


  }
}

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    logger.trace(msg);
    logger.debug(msg);
    logger.info(msg);
    logger.warn(msg);
    logger.error(msg);
    logger.fatal(msg);
  }


  public static Test suite() {
    TestSuite suite = new TestSuite();
    suite.addTest(new LevelMatchFilterTestCase("accept"));

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            } 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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