logback的日志配置文件

时间：2022-01-05 04:38:48

日志配置文件logback.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration>
<configuration scan="true">
<!-- 控制台输出 -->
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<appender name="RollingFile"
        class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.ThresholdFilter">
<level>TRACE</level>
</filter>

<!-- 测试部署时使用如下配置 -->
<!-- 可让每天产生一个日志文件，最多 30 个，更早的删除 -->
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${app.home}/logs/log-%d{yyyy-MM-dd}.log
</fileNamePattern>
<maxHistory>10</maxHistory>
</rollingPolicy>

<!-- 
             RollingFileAppender 一般情况下需要配置两个参数：
             RollingPolicy，负责滚动。TriggeringPolicy，决定是否以及何时进行滚动 
             TimeBasedRollingPolicy比较特殊，它同时继承了RollingPolicy和TriggerPolicy。 

-->
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger -
                %msg%n
</pattern>
</encoder>

<!-- 正式部署时使用此配置 -->    
<!-- 
        <file>${app.home}/logs/log.log</file>
        <append>true</append>
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <fileNamePattern>${app.home}/logs/log.%i.log.zip
            </fileNamePattern>
            <minIndex>1</minIndex>
            <maxIndex>7</maxIndex>
        </rollingPolicy>

        <encoder>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %-5level %logger -
                %msg%n
            </pattern>
        </encoder>

        <triggeringPolicy
            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <maxFileSize>50MB</maxFileSize>
        </triggeringPolicy>
-->
</appender>
<logger name="com.log.agent" level="DEBUG" />
<logger name="com.log" level="INFO" />
<root level="INFO">
<appender-ref ref="STDOUT" />
<appender-ref ref="RollingFile" />
</root>
</configuration>

部署运行后发现，在Linux下面 tomcat的日志文件catalina.out增长速度很快，造成愈来愈大；

修改tomcat/conf/logging.peoperties 将

1catalina.org.apache.juli.FileHandler.level = FINE 
改为
1catalina.org.apache.juli.FileHandler.level = WARNING


# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

handlers = 1catalina.org.apache.juli.FileHandler, 2localhost.org.apache.juli.FileHandler, 3manager.org.apache.juli.FileHandler, 4host-manager.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler

.handlers = 1catalina.org.apache.juli.FileHandler, java.util.logging.ConsoleHandler

############################################################
# Handler specific properties.
# Describes specific configuration info for Handlers.
############################################################

1catalina.org.apache.juli.FileHandler.level = WARNING
1catalina.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
1catalina.org.apache.juli.FileHandler.prefix = catalina.

2localhost.org.apache.juli.FileHandler.level = FINE
2localhost.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
2localhost.org.apache.juli.FileHandler.prefix = localhost.

3manager.org.apache.juli.FileHandler.level = FINE
3manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
3manager.org.apache.juli.FileHandler.prefix = manager.

4host-manager.org.apache.juli.FileHandler.level = FINE
4host-manager.org.apache.juli.FileHandler.directory = ${catalina.base}/logs
4host-manager.org.apache.juli.FileHandler.prefix = host-manager.

java.util.logging.ConsoleHandler.level = FINE
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter


############################################################
# Facility specific properties.
# Provides extra control for each logger.
############################################################

org.apache.catalina.core.ContainerBase.[Catalina].[localhost].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].handlers = 2localhost.org.apache.juli.FileHandler

org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager].handlers = 3manager.org.apache.juli.FileHandler

org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].level = INFO
org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager].handlers = 4host-manager.org.apache.juli.FileHandler

# For example, set the org.apache.catalina.util.LifecycleBase logger to log
# each component that extends LifecycleBase changing state:
#org.apache.catalina.util.LifecycleBase.level = FINE

# To see debug messages in TldLocationsCache, uncomment the following line:
#org.apache.jasper.compiler.TldLocationsCache.level = FINE

因为：

Tomcat 日志分为下面５类：
catalina 、 localhost 、 manager 、 admin 、 host-manager
每类日志的级别分为如下 7 种：
SEVERE (highest value) > WARNING > INFO > CONFIG > FINE > FINER > FINEST (lowest value)

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