How to rotate a log4j log manually

Question

I have log4j configured to rotate the log every day.

In special situations I would like to trigger an additional log rotation manually.

Is this possible - an

Answer 1

For log4j2, you can use following.

    org.apache.logging.log4j.Logger logManagerLogger = LogManager.getLogger();
    Map appenders = ((org.apache.logging.log4j.core.Logger) logManagerLogger).getAppenders();
    appenders.forEach((appenderName, appender) -> {
        if (appender instanceof RollingFileAppender) {
            logger.info("Rolling over appender " + appenderName);
            ((RollingFileAppender) appender).getManager().rollover();
        }
    });