log4j:ERROR Could not find value for key log4j.appender.stdout□R
log4j:ERROR Could not instantiate appender named "stdout□R".
log4j:ERROR Could not find value for key log4j.appender.stdout□R
log4j:ERROR Could not instantiate appender named "stdout□R".
log4j:WARN No appenders could be found for logger (LogTest).
log4j:WARN Please initialize the log4j system properly.
程序代码如下：
import org.apache.log4j.*;
public class LogTest {
static Logger logger = Logger.getLogger(LogTest.class.getName());
public static void main(String[] args) {
PropertyConfigurator.configure("/tmp/log4j.properties");
logger.debug("Debug ...");
logger.info("Info ...");
logger.warn("Warn ...");
logger.error("Error ...");
}
}
