How to enable debug in slf4j Logger?

java, logging, slf4j

Solution

Programmatically, with logback:

setLoggingLevel(ch.qos.logback.classic.Level.DEBUG);

where

public static void setLoggingLevel(ch.qos.logback.classic.Level level) {
    ch.qos.logback.classic.Logger root = (ch.qos.logback.classic.Logger) org.slf4j.LoggerFactory.getLogger(ch.qos.logback.classic.Logger.ROOT_LOGGER_NAME);
    root.setLevel(level);
}

Problem

How to globally enable `debug` for all the `slf4j.Logger` objects?

Original source

Related problems