为什么 Intellij Idea 会出现错误 log4j:WARN 找不到记录器 (org.gerosd.Manager) 的附加程序。 log4j:WARN 请正确初始化 log4j 系统。 log4j:警告有关更多信息,请参阅 http://logging.apache.org/log4j/1.2/faq.html#noconfig。?
Manager.java
package org.gerosd;
import org.apache.log4j.PropertyConfigurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class Manager {
private static final Logger logger = LoggerFactory.getLogger(Manager.class);
public static void main(String[] args) {
PropertyConfigurator.configure("D:/work/projects/Log4j/src/main/resources/log4j2.xml");
logger.info("Hello World");
}
}
log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
<Appenders>
<Console name="LogToConsole" target="SYSTEM_OUT">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</Console>
<RollingFile name="LogToRollingFile" fileName="logs/app.log"
filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">
<PatternLayout>
<Pattern>%d %p %c{1.} [%t] %m%n</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="10 MB"/>
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<!-- avoid duplicated logs with additivity=false -->
<Logger name="org.gerosd.Manager" level="warn" additivity="false">
<AppenderRef ref="LogToRollingFile"/>
</Logger>
<Root level="warn">
<AppenderRef ref="LogToConsole"/>
</Root>
</Loggers>
</Configuration>
构建.gradle
plugins {
id 'java'
}
group = 'org.gerosd'
version = '1.0-SNAPSHOT'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.apache.logging.log4j:log4j-core:2.20.0'
implementation 'org.apache.logging.log4j:log4j-api:2.20.0'
implementation 'org.slf4j:slf4j-api:2.0.9'
implementation 'org.slf4j:slf4j-reload4j:2.0.9'
}
我尝试添加 'org.apache.logging.log4j:log4j-slf4j2-impl:2.20.0',但在这种情况下,配置也没有被读取,错误也没有写入控制台。
不应该是
log4j.xml
吗?在资源路径中。