为什么我在日志文件中看不到我的log4j结果?

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标题翻译

Why i cant see my log4j result in my log file?

问题

我正在尝试在我的Java项目中使用log4j,并将结果打印到我的log.txt文件中,但不起作用,我找不到任何原因。

我的日志记录器:

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class Log4J2PropertiesConf {
    private static Logger logger = LogManager.getLogger();

    public void performSomeTask() {
        logger.debug("This is a debug message");
        logger.info("This is an info message");
        logger.warn("This is a warn message");
        logger.error("This is an error message");
        logger.fatal("This is a fatal message");
    }
}

我的配置文件:

property.filename = logs
appenders = console, file
appender.console.type = Console
appender.console.name = STDOUT
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = [%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
appender.file.type = File
appender.file.name = LOGFILE
appender.file.fileName=${filename}/propertieslogs.log
appender.file.layout.type=PatternLayout
appender.file.layout.pattern=[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
loggers=file
logger.file.name=guru.springframework.blog.log4j2properties
logger.file.level = debug
logger.file.appenderRefs = file
logger.file.appenderRef.file.ref = LOGFILE
rootLogger.level = debug
rootLogger.appenderRefs = stdout
rootLogger.appenderRef.stdout.ref = STDOUT

pom.xml文件:

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <dependencies>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-api</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>org.apache.logging.log4j</groupId>
            <artifactId>log4j-core</artifactId>
            <version>2.5</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>RELEASE</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>RELEASE</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <groupId>org.example</groupId>
    <artifactId>untitled</artifactId>
    <version>1.0-SNAPSHOT</version>

</project>

控制台输出正确,而propertieslogs.log文件已正确创建,但它是空的。

我使用了这个文档:
https://springframework.guru/log4j-2-configuration-using-properties-file/

英文翻译

I am trying to use log4j at my Java project and print out the result to my log.txt and and its dosnt works, i cant find any reason why.

my Logger:

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class Log4J2PropertiesConf {
    private static Logger logger = LogManager.getLogger();

    public void performSomeTask() {
        logger.debug(&quot;This is a debug message&quot;);
        logger.info(&quot;This is an info message&quot;);
        logger.warn(&quot;This is a warn message&quot;);
        logger.error(&quot;This is an error message&quot;);
        logger.fatal(&quot;This is a fatal message&quot;);
    }
}

my properties:

property.filename = logs
appenders = console, file
appender.console.type = Console
appender.console.name = STDOUT
appender.console.layout.type = PatternLayout
appender.console.layout.pattern = [%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
appender.file.type = File
appender.file.name = LOGFILE
appender.file.fileName=${filename}/propertieslogs.log
appender.file.layout.type=PatternLayout
appender.file.layout.pattern=[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%t] %c{1} - %msg%n
loggers=file
logger.file.name=guru.springframework.blog.log4j2properties
logger.file.level = debug
logger.file.appenderRefs = file
logger.file.appenderRef.file.ref = LOGFILE
rootLogger.level = debug
rootLogger.appenderRefs = stdout
rootLogger.appenderRef.stdout.ref = STDOUT

pom.xml:

&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;
&lt;project xmlns=&quot;http://maven.apache.org/POM/4.0.0&quot;
         xmlns:xsi=&quot;http://www.w3.org/2001/XMLSchema-instance&quot;
         xsi:schemaLocation=&quot;http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd&quot;&gt;
    &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt;
    &lt;dependencies&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;org.apache.logging.log4j&lt;/groupId&gt;
            &lt;artifactId&gt;log4j-api&lt;/artifactId&gt;
            &lt;version&gt;2.5&lt;/version&gt;
        &lt;/dependency&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;org.apache.logging.log4j&lt;/groupId&gt;
            &lt;artifactId&gt;log4j-core&lt;/artifactId&gt;
            &lt;version&gt;2.5&lt;/version&gt;
        &lt;/dependency&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;junit&lt;/groupId&gt;
            &lt;artifactId&gt;junit&lt;/artifactId&gt;
            &lt;version&gt;RELEASE&lt;/version&gt;
            &lt;scope&gt;test&lt;/scope&gt;
        &lt;/dependency&gt;
        &lt;dependency&gt;
            &lt;groupId&gt;org.junit.jupiter&lt;/groupId&gt;
            &lt;artifactId&gt;junit-jupiter&lt;/artifactId&gt;
            &lt;version&gt;RELEASE&lt;/version&gt;
            &lt;scope&gt;test&lt;/scope&gt;
        &lt;/dependency&gt;
    &lt;/dependencies&gt;
    &lt;groupId&gt;org.example&lt;/groupId&gt;
    &lt;artifactId&gt;untitled&lt;/artifactId&gt;
    &lt;version&gt;1.0-SNAPSHOT&lt;/version&gt;


&lt;/project&gt;

the console print the correct output and the propertieslogs.log is propertly created , but he is empty.

i am used this documantation :
https://springframework.guru/log4j-2-configuration-using-properties-file/

答案1

得分: 0

你的依赖中没有org.springframework.boot:spring-boot-starter-log4j2

英文翻译

There is no org.springframework.boot:spring-boot-starter-log4j2 in your dependencies.

huangapple
  • 本文由 发表于 2020年5月31日 00:52:10
  • 转载请务必保留本文链接:https://java.coder-hub.com/62105769.html
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