I have quite a simple problem but can't find a solution for it. I have a logger with a file handler added, but it still spams the hell out of my console. How could I get the logger to solely route all output to a file, with NO console outputs?
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1The exclamation mark makes this question seem really exciting.jjnguy– jjnguy2009-05-28 12:56:31 +00:00Commented May 28, 2009 at 12:56
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1which logging framework?Thorbjørn Ravn Andersen– Thorbjørn Ravn Andersen2010-06-14 19:10:12 +00:00Commented Jun 14, 2010 at 19:10
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5 Answers
Old question but to help other developers:
You can also just use logger.setUseParentHandlers(false) on your logger.
2 Comments
Nate Glenn
Much easier than any other answers.
Nick Charney Kaye
This is the most up-to-date, simple and effective answer.
The simplest way to guarantee that nothing will be written to the console is to put:
java.util.logging.ConsoleHandler.level = NONE
in your logging configuration file.
Comments
Remove all handlers (using Logger.getHandlers() and calling Logger.removeHandler() for each handler) from the root logger before adding your file handler.
2 Comments
Bob Yoplait
Logger.getHandlers() returns 0 handler in my case
Bob Yoplait
When I add FileHandler, the handlers size goes to 1
Use log4j with
import org.apache.log4j.Logger;
Logger logger = Logger.getLogger("com.whatever");
PropertyConfigurator.configure("file-log4j.properties");
and set your display levels in file-log4j.properties:
# Root logger option
log4j.rootLogger=INFO, file
# Direct log messages to a log file
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=index-service.log
log4j.appender.file.MaxFileSize=1MB
log4j.appender.file.MaxBackupIndex=1
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
log4j.appender.file.Append=false
Comments
I use:
Logger logger = Logger.getLogger("MyLog");
Logger parentLog= logger.getParent();
if (parentLog!=null&&parentLog.getHandlers().length>0) parentLog.removeHandler(parentLog.getHandlers()[0]);
