我只能在控制台上看到这个:
13:08:18.379 [main] ERROR log4.prueba - 这是错误
13:08:18.381 [main]致命log4.prueba - 这是致命的
我没有获得文件或所有其他级别。 我做错了什么? 我的目录如下所示:
projectFolder / SRC / LOG4 / prueba.java
projectFolder / SRC / log4j.properties
代码:
package log4;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
public class prueba {
private static Logger logger = LogManager.getLogger(prueba.class);
public static void main( String[] args )
{
logger.debug("This is Debug");
logger.info("This is Info");
logger.warn("This is Warn");
logger.error("This is Error");
logger.fatal("This is Fatal");
}
}
属性文件如下所示:
# Root logger option
log4j.rootLogger=DEBUG, file, stdout
# Direct log messages to a log file
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=C:\\logging.log
log4j.appender.file.MaxFileSize=10MB
log4j.appender.file.MaxBackupIndex=10
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p
%c{1}:%L - %m%n
# Direct log messages to stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p
%c{1}:%L - %m%n
答案 0 :(得分:0)
Log4j 2还支持属性文件中的配置,但要注意:
log4j2.properties
Log4j 2用户手册主要包含XML示例,因此很多人发现使用XML配置语法更容易。 (同样,配置文件应该命名为log4j2.xml
,Log4j 2将忽略log4j.xml
。)
答案 1 :(得分:0)
定义log4j属性文件
@ prueba.java
import org.apache.log4j.Logger;
public class prueba {
private static Logger LOGGER = Logger.getLogger(prueba.class);
public static void main(String[] args) {
LOGGER.debug("This is Debug");
...
}
}
@ pom.xml
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>RELEASE</version>
<scope>compile</scope>
</dependency>
在src/resources/log4j.properties
# Root logger option
log4j.rootLogger=DEBUG, file, stdout
# Direct log messages to stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
# Direct log messages to a log file
log4j.appender.file=org.apache.log4j.RollingFileAppender
log4j.appender.file.File=log/log4j-application.log
log4j.appender.file.MaxFileSize=10MB
log4j.appender.file.MaxBackupIndex=10
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
输出到stdout
和log/log4j-application.log
文件
2018-05-11 14:29:43 DEBUG prueba:8 - This is Debug
2018-05-11 14:29:43 INFO prueba:9 - This is Info
2018-05-11 14:29:43 WARN prueba:10 - This is Warn
2018-05-11 14:29:43 ERROR prueba:11 - This is Error
2018-05-11 14:29:43 FATAL prueba:12 - This is Fatal