logger 的使用一 小结

方式一

依赖：

<!-- log start -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>

        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->

输出配置：/src/main/resources/log4j.properties

### direct log messages to stdout ###
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.err
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{}:%L - %m%n

### direct messages to file mylog.log ###
log4j.appender.file=org.apache.log4j.FileAppender
log4j.appender.file.File=d:\\mylog.log
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{}:%L - %m%n

### set log levels - for more verbose logging change 'info' to 'debug' ###
### fatal error warn info debug trace
log4j.rootLogger=info, stdout

或者：（推荐）参考：https://www.cnblogs.com/xiaobaizhiqian/p/7956690.html

### 配置根 ###
log4j.rootLogger = debug,console ,fileAppender,dailyRollingFile,ROLLING_FILE,MAIL,DATABASE

### 设置输出sql的级别，其中logger后面的内容全部为jar包中所包含的包名 ###
log4j.logger.org.apache=dubug
log4j.logger.java.sql.Connection=dubug
log4j.logger.java.sql.Statement=dubug
log4j.logger.java.sql.PreparedStatement=dubug
log4j.logger.java.sql.ResultSet=dubug

### 配置输出到控制台 ###
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern =  %d{ABSOLUTE} %5p %c{  }:%L - %m%n

### 配置输出到文件 ###
log4j.appender.fileAppender = org.apache.log4j.FileAppender
log4j.appender.fileAppender.File = logs/log.log
log4j.appender.fileAppender.Append = true
log4j.appender.fileAppender.Threshold = DEBUG
log4j.appender.fileAppender.layout = org.apache.log4j.PatternLayout
log4j.appender.fileAppender.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

### 配置输出到文件，并且每天都创建一个文件 ###
log4j.appender.dailyRollingFile = org.apache.log4j.DailyRollingFileAppender
log4j.appender.dailyRollingFile.File = logs/log.log
log4j.appender.dailyRollingFile.Append = true
log4j.appender.dailyRollingFile.Threshold = DEBUG
log4j.appender.dailyRollingFile.layout = org.apache.log4j.PatternLayout
log4j.appender.dailyRollingFile.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

### 配置输出到文件，且大小到达指定尺寸的时候产生一个新的文件 ###
log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender
log4j.appender.ROLLING_FILE.Threshold=ERROR
log4j.appender.ROLLING_FILE.File=rolling.log
log4j.appender.ROLLING_FILE.Append=true
log4j.appender.ROLLING_FILE.MaxFileSize=10KB
log4j.appender.ROLLING_FILE.MaxBackupIndex=
log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLING_FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n

### 配置输出到邮件 ###
log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender
log4j.appender.MAIL.Threshold=FATAL
log4j.appender.MAIL.BufferSize=
log4j.appender.MAIL.From=chenyl@yeqiangwei.com
log4j.appender.MAIL.SMTPHost=mail.hollycrm.com
log4j.appender.MAIL.Subject=Log4J Message
log4j.appender.MAIL.To=chenyl@yeqiangwei.com
log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout
log4j.appender.MAIL.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n

### 配置输出到数据库 ###
log4j.appender.DATABASE=org.apache.log4j.jdbc.JDBCAppender
log4j.appender.DATABASE.URL=jdbc:mysql://localhost:3306/test
log4j.appender.DATABASE.driver=com.mysql.jdbc.Driver
log4j.appender.DATABASE.user=root
log4j.appender.DATABASE.password=
log4j.appender.DATABASE.sql=INSERT INTO LOG4J (Message) VALUES ('[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n')
log4j.appender.DATABASE.layout=org.apache.log4j.PatternLayout
log4j.appender.DATABASE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n
log4j.appender.A1=org.apache.log4j.DailyRollingFileAppender
log4j.appender.A1.File=SampleMessages.log4j
log4j.appender.A1.DatePattern=yyyyMMdd-HH'.log4j'
log4j.appender.A1.layout=org.apache.log4j.xml.XMLLayout

aplication.properties中：

logging.path=/tmp/log
logging.level.org.hibernate.SQL=DEBUG

server.tomcat.basedir=${logging.path}/tomcat

logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--Sea 整理于 -- -->
<configuration debug="false" scan="true" scanPeriod="30 seconds">
    <include resource="org/springframework/boot/logging/logback/defaults.xml" />
    <jmxConfigurator/>

    <springProperty scope="context" name="springAppName" source="spring.application.name" defaultValue="application"/>
    <springProperty scope="context" name="logPath" source="logging.path" defaultValue="/tmp/log"/>
    <property name="LOG_FILE" value="${logPath}/application/milestone-subscription-service"/>
    <property name="SPRING_FILE" value="${logPath}/spring/spring"/>
    <property name="KAFKA_FILE" value="${logPath}/kafka/kafka"/>

    <property name="CONSOLE_LOG_PATTERN" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger{50} - %msg%n"/>
    <!-- console Appender -->
    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
        <!--<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <level>INFO</level>
        </filter>-->
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
    </appender>

    <!--spring Appender-->
    <appender name="spring" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${SPRING_FILE}.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <!-- daily rollover -->
            <fileNamePattern>${SPRING_FILE}.%d{yyyy-MM-dd}.%i.log</fileNamePattern>
            <maxHistory></maxHistory>
            <maxFileSize>100MB</maxFileSize>
            <totalSizeCap>1GB</totalSizeCap>
        </rollingPolicy>
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
    </appender>

    <!-- use logstash generate json format log Appender -->
    <appender name="logstash" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${LOG_FILE}.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <fileNamePattern>${LOG_FILE}.log.%d{yyyy-MM-dd}.%i.gz</fileNamePattern>
            <maxHistory></maxHistory>
            <maxFileSize>100MB</maxFileSize>
            <totalSizeCap>1GB</totalSizeCap>
        </rollingPolicy>
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
        <!--<encoder class="net.logstash.logback.encoder.LoggingEventCompositeJsonEncoder">
            <providers>
                <timestamp>
                    <timeZone>UTC</timeZone>
                </timestamp>
                <pattern>
                    <pattern>
                        {
                        "severity": "%level",
                        "service": "${springAppName:-}",
                        "trace": "%X{X-B3-TraceId:-}",
                        "span": "%X{X-B3-SpanId:-}",
                        "exportable": "%X{X-Span-Export:-}",
                        "pid": "${PID:-}",
                        "thread": "%thread",
                        "class": "%logger{40}",
                        "rest": "%message"
                        }
                    </pattern>
                </pattern>
            </providers>
        </encoder>-->
    </appender>

    <appender name="kafka" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${KAFKA_FILE}.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
            <fileNamePattern>${KAFKA_FILE}.log.%d{yyyy-MM-dd}.%i.gz</fileNamePattern>
            <maxHistory></maxHistory>
            <maxFileSize>100MB</maxFileSize>
            <totalSizeCap>1GB</totalSizeCap>
        </rollingPolicy>
        <encoder>
            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
            <charset>utf8</charset>
        </encoder>
    </appender>

    <!--set the xxl job thread log level to warn-->
    <logger name="com.xxl.job.core.thread" level="WARN"/>
    <logger name="org.springframework.retry.support.RetryTemplate" level="debug" />
    <logger name="com.icil.elsa.subscribe.milestone.listener" level="DEBUG" additivity="false">
        <appender-ref ref="kafka" />
    </logger>
    <logger name="org.apache.kafka.clients.consumer.internals" level="INFO" additivity="false">
        <appender-ref ref="kafka" />
    </logger>
    <logger name="org.springframework.kafka.listener" level="INFO" additivity="false">
        <appender-ref ref="kafka" />
    </logger>

    <root level="INFO">
        <appender-ref ref="console"/>
        <appender-ref ref="spring"/>
    </root>
    <logger name="com.icil.tracking.milestone.service" level="INFO" additivity="false">
        <appender-ref ref="console"/>
        <appender-ref ref="spring"/>
        <appender-ref ref="logstash"/>
    </logger>
    <logger name="org.hibernate.engine.internal.StatisticalLoggingSessionEventListener" level="ERROR" additivity="false">
        <appender-ref ref="console"/>
        <appender-ref ref="spring"/>
        <appender-ref ref="logstash"/>
    </logger>

</configuration>