依賴問(wèn)題
- log4j2目前最新的相關(guān)依賴是
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-api</artifactId>
<version>2.11.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.11.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-1.2-api</artifactId>
<version>2.11.0</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.11.0</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-web</artifactId>
<version>2.11.0</version>
</dependency>
<dependency>
<groupId>com.lmax</groupId>
<artifactId>disruptor</artifactId>
<version>3.3.7</version>
</dependency>
- 幾個(gè)比較重要的依賴
log4j-1.2-api用于適配使用log4j接口，log4j-slf4j-impl用于橋接slf4j蹋辅，disruptor是log4j2高性能的核心元素艳狐，用于async logger - 需要ban掉的依賴
<exclusion>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
</exclusion>
<exclusion>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
</exclusion>
包括且不限于引入了log4j相關(guān)接口的包
配置問(wèn)題
log4j2的配置相較于log4j在精簡(jiǎn)上有比較大的改進(jìn)，而且還可以支持一些比較皮的操作，比如動(dòng)態(tài)配置滓玖，詳細(xì)內(nèi)容請(qǐng)看這里
在升級(jí)過(guò)程中，最簡(jiǎn)單的方式直接復(fù)制一份log4j2.xml到classpath路徑下
舉個(gè)例子：
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn">
<Properties>
<Property name="service">api</Property>
<Property name="logFileRoot">/data/soft/log</Property>
<Property name="pattern">[%p %d] %c{1.} [%t] %m%n</Property>
</Properties>
<Appenders>
<RollingRandomAccessFile name="fileAppender" fileName="${logFileRoot}/${service}.log"
filePattern="${logFileRoot}/bk/${service}-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>${pattern}</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<RollingRandomAccessFile name="otherAppender" fileName="${logFileRoot}/${service}-other.log"
filePattern="${logFileRoot}/bk/${service}-other-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>${pattern}</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<RollingRandomAccessFile name="paodingAppender" fileName="${logFileRoot}/${service}-paoding.log"
filePattern="${logFileRoot}/bk/${service}-paoding-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>${pattern}</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<RollingRandomAccessFile name="passportAppender" fileName="${logFileRoot}/${service}-passport.log"
filePattern="${logFileRoot}/bk/${service}-passport-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>${pattern}</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<RollingRandomAccessFile name="rootAppender" fileName="${logFileRoot}/${service}-root.log"
filePattern="${logFileRoot}/bk/${service}-root-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<Pattern>${pattern}</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingRandomAccessFile>
<!-- lcs 數(shù)據(jù)流配置 -->
<RollingFile name="XLOGGER_SELF_APPENDER" fileName="${logFileRoot}/xlogger-self.log"
filePattern="${logFileRoot}/bk/xlogger-self-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<pattern>${pattern}</pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
<SizeBasedTriggeringPolicy size="100MB"/>
</Policies>
<!-- DefaultRolloverStrategy屬性如不設(shè)置质蕉，則默認(rèn)為最多同一文件夾下7個(gè)文件势篡，這里設(shè)置了10 -->
<DefaultRolloverStrategy max="10"/>
</RollingFile>
<!--記錄測(cè)試數(shù)據(jù)-->
<RollingFile name="trace-log" fileName="${logFileRoot}/xlogger-trace.log"
filePattern="${logFileRoot}/bk/xlogger-trace-%d{yyyy-MM-dd}-%i.log.gz">
<PatternLayout>
<pattern>${pattern}</pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy interval="1" modulate="true"/>
</Policies>
</RollingFile>
<!--Xlogger使用的appender-->
<ScribeXLogger name="Scribe" cluster="${xlogger-cluster}" blockWhenBufferFull="false" />
</Appenders>
<Loggers>
<AsyncLogger name="com.xxx.vip" level="${log4j_level}" additivity="false">
<AppenderRef ref="fileAppender"/>
</AsyncLogger>
<AsyncLogger name="net.paoding.rose" level="${log4j_other_level}" additivity="false">
<AppenderRef ref="paodingAppender"/>
</AsyncLogger>
<AsyncLogger name="com.xxx.passport" level="${log4j_other_level}" additivity="false">
<AppenderRef ref="passportAppender"/>
</AsyncLogger>
<AsyncLogger name="com.xxx" level="${log4j_other_level}" additivity="false">
<AppenderRef ref="otherAppender"/>
</AsyncLogger>
<!-- lcs 數(shù)據(jù)流配置 -->
<AsyncLogger name="com.xxx.common.logger.v2.XLogger" level="${log4j_level}" additivity="false">
<AppenderRef ref="Scribe"/>
</AsyncLogger>
<!--level設(shè)置為debug ,將xlogger寫(xiě)入的數(shù)據(jù)寫(xiě)入到文件中，用于測(cè)試使用-->
<AsyncLogger name="com.xxx.common.logger.v2.XLoggerJson" level="${log4j_level}" additivity="false">
<AppenderRef ref="trace-log"/>
</AsyncLogger>
<AsyncLogger name="com.xxx.common.logger.v2.ThriftScribeAppender" level="${log4j_level}" additivity="false" >
<AppenderRef ref="XLOGGER_SELF_APPENDER"/>
</AsyncLogger>
<AsyncRoot level="${log4j_level}">
<AppenderRef ref="rootAppender"/>
</AsyncRoot>
</Loggers>
</Configuration>
- 使用的時(shí)候模暗，修改一下service和logFileRoot為需要的參數(shù)即可
