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POJava Logger Console Stream Duplicate Output
 

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    <p>I hope this question has a simple answer. I am trying to add a logger to my Java application. I was able to format the log file perfectly, but I ran into an issue when trying to add a ConsoleHandler to the logger to format the console output.</p> <p>Once I added the ConsoleHandler, every log message is not printed out three times, twice with the proper formatting I want, and then once with the original format that I do not want.</p> <p>Ill post my code below, not sure at all what I am doing wrong.<br> Any help will be greatly appreciated.</p> <pre><code>// remove and handlers that will be replaced Handler[] handlers = logger.getHandlers(); for(Handler handler : handlers) { if(handler.getClass() == ConsoleHandler.class || handler.getClass() == FileHandler.class) logger.removeHandler(handler); } // file handler FileHandler fh = new FileHandler(file.toString()); fh.setFormatter(new MS2Formatter()); logger.addHandler(fh); // console handler ConsoleHandler ch = new ConsoleHandler(); ch.setFormatter(new MS2Formatter()); logger.addHandler(ch); logger.setLevel(Level.INFO); </code></pre> <p><strong>EDIT:</strong> Answer</p> <p>Just wanted to post my final code here to help anyone with a similar problem.</p> <pre><code>logger = Logger.getLogger("My Logger"); logger.setUseParentHandlers(false); // remove and handlers that will be replaced Handler[] handlers = logger.getHandlers(); for(Handler handler : handlers) { if(handler.getClass() == ConsoleHandler.class) logger.removeHandler(handler); } // setup the file File file = new File(location + "/" + fileName); // file handler FileHandler fh = new FileHandler(file.toString(), true); fh.setFormatter(new MS2Formatter()); logger.addHandler(fh); // console handler ConsoleHandler ch = new ConsoleHandler(); ch.setFormatter(new MS2Formatter()); logger.addHandler(ch); // remove and handlers that will be replaced logger.setLevel(Level.INFO); </code></pre>
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