Java 1.4 Logging API

Question

I am having some problem with the Formatter. I have a ConsoleHandler. I set its formatter to my custom formatter. My custom formatter simply extends Formatter class and implement formate(LogRecord) method.
when I run my program, the ConsoleHandler not only print out my formatted output, but also a SimpleFormatter formatted output. Do I need to create my own StreamHandler instead of using ConsoleHandler?
Has anybody had this problem before?
Thanks,

Answer 1

Could you post some code? My initial reaction is that you probably did not make a call to LoggerInstance.setParentHandlers(false);
Here is a Formatter class:
import java.util.logging.*;
public class MyFormatter extends Formatter
  public String format(LogRecord r)
    return "[" + "My Formatted Message: " + r.getMessage() + "]" +
        System.getProperty("line.separator");
}And here is some test code for the custom formatter:
import java.util.logging.*;
public class Main
  public static void main(String[] args)
    ConsoleHandler ch = new ConsoleHandler();
    ch.setFormatter(new MyFormatter());
    Logger l = Logger.getAnonymousLogger();
    // Keep in mind that your anonymouslogger will have initially
    // 0 handlers; it will by default send the LogRecords to the
    // ParentHandler
    l.addHandler(ch);
    // Uncomment this line so that parent handlers do not get called
    l.setUseParentHandlers(false);
    l.info("Hello World");
}I hope this is somewhat usefull.
- Chris