spring boot整合log4j2

POM配置

<?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>

    <groupId>com.roncoo.education</groupId>
    <artifactId>spring-boot-demo-05-2</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>spring-boot-demo-05-2</name>
    <description>日志配置-log4j2</description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.4.0.RELEASE</version>
        <relativePath /> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starter-logging</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <!-- 使用log4j2 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-log4j2</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>


        <!-- https://mvnrepository.com/artifact/org.postgresql/postgresql -->
        <dependency>
            <groupId>org.postgresql</groupId>
            <artifactId>postgresql</artifactId>
            <version>42.1.4</version>
        </dependency>

        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc6</artifactId>
            <version>11.2.0</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

log4j2配置

<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <properties>
        <!-- 文件输出格式 -->
        <property name="PATTERN">%d{yyyy-MM-dd HH:mm:ss.SSS} |-%-5level
            [%thread] %c [%L] -| %msg%n</property>
    </properties>

    <appenders>
        <Console name="CONSOLE" target="system_out">
            <PatternLayout pattern="${PATTERN}" />
        </Console>

        <File name="log" fileName="log/test.log" append="false">
            <PatternLayout
                pattern="%d{HH:mm:ss.SSS} %-5level %class{36} %L %M - %msg%xEx%n" />
        </File>


        <!-- 添加过滤器ThresholdFilter,可以有选择的输出某个级别以上的类别 onMatch="ACCEPT" onMismatch="DENY"意思是匹配就接受,否则直接拒绝 -->
        <File name="ERROR" fileName="logs/error.log">
            <ThresholdFilter level="error" onMatch="ACCEPT"
                onMismatch="DENY" />
            <PatternLayout
                pattern="%d{yyyy.MM.dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n" />
        </File>

        <!-- 这个会打印出所有的信息，每次大小超过size，则这size大小的日志会自动存入按年份-月份建立的文件夹下面并进行压缩，作为存档 -->
        <RollingFile name="RollingFile" fileName="logs/web.log"
            filePattern="logs/$${date:yyyy-MM}/web-%d{MM-dd-yyyy}-%i.log.gz">
            <PatternLayout
                pattern="%d{yyyy-MM-dd 'at' HH:mm:ss z} %-5level %class{36} %L %M - %msg%xEx%n" />
            <SizeBasedTriggeringPolicy size="1K" />
        </RollingFile>
        
        <!-- 配置日志写入postgresql -->
        <JDBC name="databaseAppender" tableName="logger_info">
            <ConnectionFactory class="com.roncoo.education.database.ConnectionFactory" method="getDatabaseConnection"/>
            <Column name="thread_name" pattern="%t"/>
            <Column name="class_name" pattern="%C"/>
            <Column name="method_name" pattern="%method"/>
            <Column name="begin_time" pattern="%d{yyyy-MM-dd HH:mm:ss.SSS}"/>
            <Column name="logger_level" pattern="%level"/>
            <Column name="logger_name" pattern="%c"/>
            <Column name="logger_message" pattern="%m"/>
            <Column name="logger_throwable" pattern="%throwable{3}"/>
            <Column name="create_time" pattern="%d{yyyy-MM-dd HH:mm:ss.SSS}"/>
        </JDBC>
        
        <!-- 异步写入数据库 -->
        <Async name="AsyncDatabaseAppender">
            <appender-ref ref="databaseAppender"/>
        </Async>
        
    </appenders>

    <loggers>
        <logger name="com.roncoo.education" level="debug" />
        <root level="info">
            <appenderref ref="CONSOLE" />
            <appenderref ref="log" />
            <appenderref ref="ERROR" />
            <appenderref ref="RollingFile" />
            <appenderref ref="databaseAppender" />
        </root>
    </loggers>

</configuration>

注意点

暂不支持postgresql，所以使用oracle替代