slf4j日志与jdk_“如何启用调试?”

log.debug(String) java.util.logging logging.properties FINE

%JRE_HOME%/lib/logging.properties -Djava.util.logging.config.file=logging.properties

• JDK14LoggerAdapter
• Java Logging API tutorial

If you are using slf4j SimpleLogger implementation read this

simpleLogger INFO

static {

    System.setProperty("org.slf4j.simpleLogger.defaultLogLevel", "trace");
}

#logging.properties file contents

#Define handlers
handlers=java.util.logging.ConsoleHandler

#Set handler log level
java.util.logging.ConsoleHandler.level=FINE

#Define your logger level
com.company.application.package.package.level=FINE

#Assign your handler to your logger
com.company.application.package.package.handlers=java.util.logging.ConsoleHandler

slf4j-jdk14-1.6.1.jar slf4j-api-1.7.12.jar

the example logging.properties file in this link

here's the slf4j manual