jul2slf4j.groovy

import org.slf4j.LoggerFactory
import org.slf4j.bridge.SLF4JBridgeHandler

import java.util.logging.Logger

class MyLog {
    private Logger logger = Logger.getLogger("jul")
    private org.slf4j.Logger log = LoggerFactory.getLogger(MyLog.class);
    void log() {
        SLF4JBridgeHandler.removeHandlersForRootLogger()
        SLF4JBridgeHandler.install()
        logger.info("jul log")
        log.info("slf4j log ")
        log.debug("slf4j log ")
    }
}

MyLog.newInstance().log()