[logback-user] programmatic configuration to log to file

[ceki]

Hi Steve,

The code for programmatic configuration is good. You just need to reset 
the context before you configure. Add the following line after the 
definitionof the loggerContext variable.

   loggerContext.reset();

HTH,

-- 
Ceki
65% of statistics are made up on the spot

On 01.02.2013 19:01, Steve Prior wrote:
> On 2/1/2013 12:45 PM, Marshall Pierce wrote:
>> Is it the same output that is also showing up in the log file, or
>> other output? Can you provide a more complete code sample with file
>> output and stdout output?
>>
>> Marshall
>
> Here is the complete source code (no config files at all):
> package com.geekster.logbackDemo;
>
> import org.slf4j.LoggerFactory;
>
> import ch.qos.logback.classic.Logger;
> import ch.qos.logback.classic.LoggerContext;
> import ch.qos.logback.classic.PatternLayout;
> import ch.qos.logback.classic.spi.ILoggingEvent;
> import ch.qos.logback.core.FileAppender;
>
> public class Testcase {
>
>     public static void main(String[] args) {
>        LoggerContext loggerContext = (LoggerContext)
> LoggerFactory.getILoggerFactory();
>
>        FileAppender<ILoggingEvent> fileAppender = new
> FileAppender<ILoggingEvent>();
>        fileAppender.setContext(loggerContext);
>        fileAppender.setFile(Testcase.class.getSimpleName() + ".log");
>
>        PatternLayout pl = new PatternLayout();
>        pl.setPattern("%d %5p %t [%c:%L] %m%n)");
>        pl.setContext(loggerContext);
>        pl.start();
>        fileAppender.setLayout(pl);
>
>        fileAppender.start();
>
>        Logger logbackLogger = loggerContext.getLogger(Testcase.class);
>        logbackLogger.addAppender(fileAppender);
>
>        logbackLogger.info("this should only be in the logfile.");
>        System.out.println("this should only be at the console");
>     }
>
> }
>
> Here is what gets written to System.out:
> 12:57:07.496 [main] INFO  com.geekster.logbackDemo.Testcase - this
> should only be in the logfile.
> this should only be at the console
>
> Here is what gets written to Testcase.log:
> 2013-02-01 12:57:07,496  INFO main
> [com.geekster.logbackDemo.Testcase:31] this should only be in the logfile.
>
>
> So what I'm looking to do is to have the log entry "12:57:07.496 [main]
> INFO com.geekster.logbackDemo.Testcase - this should only be in the
> logfile." only appear in the logfile, but not at the console where I
> only expect "this should only be at the console" to be visible.
>
> Thanks for looking.
> Steve
>
>