[logback-user] Setting the log file file size with RollingFileAdapter does not work

[adriana lima]

Hello everyone,
I am trying to specify the size of my log file in my Java code. However, no file is written in the specified directory. Using a FileAppender without a triggering policy works fine. But I would like to specify the max. log file size. Any help is appreciated :) Thanx in advance!


Here is my code:

        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
        RollingFileAppender<ILoggingEvent> fileAppender = new RollingFileAppender<ILoggingEvent>();
        fileAppender.setContext(loggerContext);
        fileAppender.setFile("C:\\log\\log.txt");
        
        SizeBasedTriggeringPolicy<ILoggingEvent> triggeringPolicy = new SizeBasedTriggeringPolicy<ILoggingEvent>();
        triggeringPolicy.setMaxFileSize("5MB");
        triggeringPolicy.start();

        PatternLayoutEncoder encoder = new PatternLayoutEncoder();
        encoder.setContext(loggerContext);
        encoder.setPattern("%d %level %logger: %msg%n");
        encoder.start();

        fileAppender.setEncoder(encoder);
        fileAppender.setTriggeringPolicy(triggeringPolicy);
        fileAppender.start();

        Logger logbackLogger = loggerContext.getLogger("ExportMapToFile");
        ((ch.qos.logback.classic.Logger) logbackLogger).addAppender(fileAppender);
                
        logbackLogger.info(info);
        fileAppender.stop();
        triggeringPolicy.stop();
        encoder.stop();
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