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springMvc:log4j平滑升级log4j21: 删除原有依赖2: 新建依赖3: 修改 webapp/WEB_INF/lib/web.xml4: 创建resources/log4j2.xml

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我是靠谱客的博主 炙热百褶裙，最近开发中收集的这篇文章主要介绍springMvc:log4j平滑升级log4j21: 删除原有依赖2: 新建依赖3: 修改 webapp/WEB_INF/lib/web.xml4: 创建resources/log4j2.xml，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

springMvc:log4j平滑升级log4j2

  • 1: 删除原有依赖
  • 2: 新建依赖
  • 3: 修改 webapp/WEB_INF/lib/web.xml
  • 4: 创建resources/log4j2.xml

1: 删除原有依赖

<!--
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
-->
<!--
<dependency>
	<groupId>org.slf4j</groupId>
	<artifactId>slf4j-log4j12</artifactId>
	<version>${slf4j-log4j12.version}</version>
</dependency>
<dependency>
	<groupId>org.slf4j</groupId>
	<artifactId>slf4j-api</artifactId>
	<version>${slf4j-api.version}</version>
</dependency>
<dependency>
	<groupId>org.slf4j</groupId>
	<artifactId>slf4j-nop</artifactId>
	<version>${slf4j-nop.version}</version>
</dependency>
-->

2: 新建依赖

<!-- log4j2依赖包 -->
<dependency>
	<groupId>com.lmax</groupId>
	<artifactId>disruptor</artifactId>
	<version>3.3.0</version>
</dependency>

<!-- log4j2核心包 -->
<dependency>
	<groupId>org.apache.logging.log4j</groupId>
	<artifactId>log4j-core</artifactId>
	<version>2.8</version>
</dependency>
<dependency>
	<groupId>org.apache.logging.log4j</groupId>
	<artifactId>log4j-api</artifactId>
	<version>2.8</version>
</dependency>

<!-- 该包是 log4j 升级到 log4j2的必须包 使用该包 不需要修改以前的 Logger.getLogger()这种获取对象的方式 -->
<dependency>
	<groupId>org.apache.logging.log4j</groupId>
	<artifactId>log4j-1.2-api</artifactId>
	<version>2.8</version>
</dependency>
<!-- 该包是slf4j 升级到 log4j2的必须包 使用该包 其他依赖jar中依赖slf4j 不会报错 -->
<dependency>
	<groupId>org.apache.logging.log4j</groupId>
	<artifactId>log4j-slf4j-impl</artifactId>
	<version>2.8</version>
</dependency>

3: 修改 webapp/WEB_INF/lib/web.xml

	<listener>
		<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
	</listener>
	<context-param>
		<param-name>log4jConfigLocation</param-name>
		<!--去掉.properties-->
		<!--<param-value>classpath:log4j.properties</param-value>-->
		<!--新增.xml-->
		<param-value>classpath:log4j2.xml</param-value>
	</context-param>

4: 创建resources/log4j2.xml

并备份和删除原先的log4j.properties

<?xml version="1.0" encoding="UTF-8"?>
<configuration status="info">

    <Properties>
        <!--注意，这个路径要指向 /home/admin/${APP_NAME}/logs -->
        <Property name="catalina_path">${catalina.base}</Property>
    </Properties>

    <appenders>

        <Console name="CONSOLE" target="SYSTEM_OUT" follow="true">
            <PatternLayout pattern="%dt[%t]t%-5pt%C.%M(%L)t${hostName}***%m%n"/>
        </Console>

        <RollingRandomAccessFile name="CATALINA_APPENDER" fileName="${catalina.base}/catalina.out"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/catalina.out.%d{yyyy-MM-dd-HH}.log">
            <Filters>
                <ThresholdFilter level="warn" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <!--<MaxDayFileRolloverStrategy max="15" lazy="true"/>-->
        </RollingRandomAccessFile>


        <RollingRandomAccessFile name="DEBUG_APPENDER" fileName="${catalina.base}/debug.out"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/debug.out.%d{yyyy-MM-dd}.log">
            <Filters>
                <ThresholdFilter level="info" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="debug" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <!--<MaxDayFileRolloverStrategy max="15" lazy="true"/>-->
        </RollingRandomAccessFile>


        <RollingRandomAccessFile name="WARN_APPENDER" fileName="${catalina.base}/warn.out"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/warn.out.%d{yyyy-MM-dd}.log">
            <Filters>
                <ThresholdFilter level="error" onMatch="DENY" onMismatch="NEUTRAL"/>
                <ThresholdFilter level="warn" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <!--<MaxDayFileRolloverStrategy max="15" lazy="true"/>-->
        </RollingRandomAccessFile>

        <RollingRandomAccessFile name="ERROR_APPENDER" fileName="${catalina.base}/error.out"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/error.out.%d{yyyy-MM-dd}.log">
            <ThresholdFilter level="error" onMatch="ACCEPT" onMismatch="DENY"/>
            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <!--<MaxDayFileRolloverStrategy max="15" lazy="true"/>-->
        </RollingRandomAccessFile>



        <RollingRandomAccessFile name="STATISTICLOG_APPENDER" fileName="${catalina.base}/am_raw_mist_access"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/am_raw_mist_access.%d{yyyy-MM-dd}.log">

            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Filters>
                <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <MaxDayFileRolloverStrategy max="93" lazy="true"/>
        </RollingRandomAccessFile>


        <RollingRandomAccessFile name="CHARGE_APPENDER" fileName="${catalina.base}/charge_log"
                                 immediateFlush="false"
                                 filePattern="${catalina.base}/charge_log.%d{yyyy-MM-dd}.log">

            <PatternLayout pattern="%d [%t] %-5p %C.%M(%L)- %m%n" charset="UTF-8"/>
            <Filters>
                <ThresholdFilter level="info" onMatch="ACCEPT" onMismatch="DENY"/>
            </Filters>
            <Policies>
                <TimeBasedTriggeringPolicy/>
                <!--<SizeBasedTriggeringPolicy size="1000 MB"/>-->
            </Policies>
            <!-- 去掉默认的滚动策略 -->
            <DefaultRolloverStrategy/>
            <!--max 保留最大天数 默认 10天，lazy=true 每次只检测1个文件进行删除。lazy=false 会递归删除-->
            <MaxDayFileRolloverStrategy max="93" lazy="true"/>
        </RollingRandomAccessFile>


        <RollingRandomAccessFile name="AM_BUSI_TRACER_APPENDER" fileName="${catalina_path}/am_busi_tracer.out"
                                 immediateFlush="false"
                                 filePattern="${catalina_path}/am_busi_tracer.out.%d{yyyy-MM-dd-HH}.log">
            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss}***%t***%p***%m%n" charset="UTF-8" />
            <Policies>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy/>
        </RollingRandomAccessFile>
        <RollingRandomAccessFile name="AM_HTTP_TRACER_APPENDER" fileName="${catalina_path}/am_http_tracer.out"
                                 immediateFlush="false"
                                 filePattern="${catalina_path}/am_http_tracer.out.%d{yyyy-MM-dd-HH}.log">
            <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss}***%t***%p***%m%n" charset="UTF-8" />
            <Policies>
                <TimeBasedTriggeringPolicy/>
            </Policies>
            <DefaultRolloverStrategy/>
        </RollingRandomAccessFile>
    </appenders>

    <loggers>

        <AsyncRoot level="info" includeLocation="true">
            <AppenderRef ref="WARN_APPENDER"/>
            <AppenderRef ref="ERROR_APPENDER"/>
        </AsyncRoot>
        <AsyncLogger name="com.alxx.lbp.mist" level="info" includeLocation="true" additivity="false">
            <AppenderRef ref="DEBUG_APPENDER"/>
            <AppenderRef ref="CATALINA_APPENDER"/>
            <AppenderRef ref="WARN_APPENDER"/>
            <AppenderRef ref="ERROR_APPENDER"/>
        </AsyncLogger>
        <AsyncLogger name="CHARGE" level="info" includeLocation="false" additivity="false">
            <AppenderRef ref="CHARGE_APPENDER" />
        </AsyncLogger>
        <AsyncLogger name="STATISTICLOG" level="info" includeLocation="false" additivity="false">
            <AppenderRef ref="STATISTICLOG_APPENDER" />
        </AsyncLogger>
        <AsyncLogger name="AM_BUSI_TRACER" level="info" includeLocation="false" additivity="false">
            <AppenderRef ref="AM_BUSI_TRACER_APPENDER" />
        </AsyncLogger>
        <AsyncLogger name="AM_HTTP_TRACER" level="info" includeLocation="false" additivity="false">
            <AppenderRef ref="AM_HTTP_TRACER_APPENDER" />
        </AsyncLogger>
    </loggers>
</configuration>

参考：

https://blog.csdn.net/zouxucong/article/details/56013053 《log4j升级为log4j2(不需要改动代码)》

https://blog.csdn.net/chushoutaizhong/article/details/79805774 《工程中将log4j平滑升级到log4j2(坎坷路但不是太坎坷)》

最后

以上就是炙热百褶裙为你收集整理的springMvc:log4j平滑升级log4j21: 删除原有依赖2: 新建依赖3: 修改 webapp/WEB_INF/lib/web.xml4: 创建resources/log4j2.xml的全部内容，希望文章能够帮你解决springMvc:log4j平滑升级log4j21: 删除原有依赖2: 新建依赖3: 修改 webapp/WEB_INF/lib/web.xml4: 创建resources/log4j2.xml所遇到的程序开发问题。

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