mybatis、pom、logback、log4j等基本配置文件

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已于 2022-08-18 14:17:27 修改

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分类专栏： Java 文章标签： xml java基本配置文件 mybatis-config

于 2022-02-09 14:29:36 首次发布

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本文详细介绍了MyBatis的配置文件mybatis-config.xml，包括类型别名、环境配置和Mapper加载。接着展示了Maven项目的pom.xml，列出所依赖的库，如MySQL驱动、Druid和Logback。在Logback.xml中配置了日志输出到控制台。此外，还讲解了BrandMapper.xml和对应的Mapper接口。最后，讨论了JDBC连接池工具类，包括C3P0和Druid的配置与使用。

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mybatis、pom、logback等基本配置文件

一、mybatis-config.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--    别名-->
    <typeAliases>
        <package name="com.it.pojo"/>
    </typeAliases>


    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">

<!--                数据库连接信息-->
                <property name="driver" value="com.mysql.jdbc.Driver"/>
                <property name="url" value="jdbc:mysql:///mybatis?useSSL=false"/>
                <property name="username" value="root"/>
                <property name="password" value="1234"/>
            </dataSource>
        </environment>
    </environments>
    <mappers>
<!--        加载sql映射文件-->
<!--        <mapper resource="com\it\mapper\UserMapper.xml"/>-->

<!--        Mapper代理方式-->
        <package name="com.it.mapper"/>
    </mappers>
</configuration>

二、pom.xml

<?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>org.example</groupId>
  <artifactId>d2_maven_mybatis</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <dependencies>
<!--    导入mysql驱动jar包-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.46</version>
    </dependency>

    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.1.12</version>
    </dependency>

<!--      junit 单元测试-->
      <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>4.13</version>
          <scope>test</scope>
      </dependency>

<!--  mybatis 依赖-->
      <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis</artifactId>
          <version>3.5.5</version>
      </dependency>

      <!-- 添加slf4j日志api -->
      <dependency>
          <groupId>org.slf4j</groupId>
          <artifactId>slf4j-api</artifactId>
          <version>1.7.20</version>
      </dependency>
      <!-- 添加logback-classic依赖 -->
      <dependency>
          <groupId>ch.qos.logback</groupId>
          <artifactId>logback-classic</artifactId>
          <version>1.2.3</version>
      </dependency>
      <!-- 添加logback-core依赖 -->
      <dependency>
          <groupId>ch.qos.logback</groupId>
          <artifactId>logback-core</artifactId>
          <version>1.2.3</version>
      </dependency>

<!--  servlet-->
  <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
    <scope>provided</scope>
  </dependency>

<!--  jspl-->
  <dependency>
    <groupId>jstl</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
  </dependency>
  <dependency>
    <groupId>taglibs</groupId>
    <artifactId>standard</artifactId>
    <version>1.1.2</version>
  </dependency>

  </dependencies>
  
<!--   tomcat7-->
  <build>
    <plugins>
      <plugin>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <version>2.2</version>
      </plugin></plugins>
  </build>
  
    <!-- maven项目 resources 显示为普通文件夹 解决办法-->
<build>
    <resources>
        <resource>
            <directory>src/main/resources</directory>
        </resource>
    </resources>
</build>

</project>

三、logback.xml

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <!--
        CONSOLE ：表示当前的日志信息是可以输出到控制台的。
    -->
    <appender name="Console" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>[%level] %blue(%d{HH:mm:ss.SSS}) %cyan([%thread]) %boldGreen(%logger{15}) - %msg %n</pattern>
        </encoder>
    </appender>

    <logger name="com.itheima" level="DEBUG" additivity="false">
        <appender-ref ref="Console"/>
    </logger>


    <!--

      level:用来设置打印级别，大小写无关：TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF
     ， 默认debug
      <root>可以包含零个或多个<appender-ref>元素，标识这个输出位置将会被本日志级别控制。
      -->
    <root level="DEBUG">
        <appender-ref ref="Console"/>
    </root>
</configuration>

四、BrandMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.it.mapper.BrandMapper">

</mapper>

五、BrandMapper


```xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.it.mapper.BrandMapper">
<!-- id, brand_name as brandName, company_name as companyName, ordered, description, status -->
<!--
        数据库表的字段名称 和 实体类的属性名称不一样,则不能自动封装数据
            *起别名:对不一样的列名起别名,让别名和实体类的属性名一样
               *缺点:每次查询都要定义一次别名
                   * sqL片段
                       *缺点：不灵活
            * resultMap:
                1·定义<resuLtMap>标签
                2·在<select>标签中,使用resultMap属性替换resultType属性
-->

    <resultMap id="brandResultMap" type="brand">
        <result column="brand_name" property="brandName"/>
        <result column="company_name" property="companyName"/>
    </resultMap>

    <select id="selectAll" resultMap="brandResultMap">
        select  *
        from tb_brand;
    </select>

</mapper>

六、JDBC数据库连接工具类 (c3p0)

在这里插入图片描述

①：pom.xml

<dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.28</version>
        </dependency>

        <dependency>
            <groupId>commons-dbutils</groupId>
            <artifactId>commons-dbutils</artifactId>
            <version>1.6</version>
        </dependency>

        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.12</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.13</version>
            <scope>test</scope>
        </dependency>
 
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>RELEASE</version>
            <scope>compile</scope>
        </dependency>


        <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/taglibs/standard -->
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>

②：c3p0-config.xml


<c3p0-config>
    <named-config name="helloc3p0">
        <!-- 四个连接必须的字符串    -->
        <property name="driverClass">com.mysql.cj.jdbc.Driver</property>
        <property name="jdbcUrl">jdbc:mysql://127.0.0.1:3306/db_bookmall?serverTimezone=GMT</property>
        <property name="user">root</property>
        <property name="password">root</property>
        <!--常用的配置 -->

        <!--连接池中保留的最小连接数。-->
        <property name="minPoolSize" value="5"/>
        <!--连接池中保留的最大连接数。Default: 15 -->
        <property name="maxPoolSize" value="500"/>
        <!--初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
        <property name="initialPoolSize" value="10"/>
        <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
        <property name="maxIdleTime" value="60"/>
        <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
        <property name="acquireIncrement" value="5"/>
        <!--JDBC的标准参数，用以控制数据源内加载的PreparedStatements数量。但由于预缓存的statements
       属于单个connection而不是整个连接池。所以设置这个参数需要考虑到多方面的因素。
       如果maxStatements与maxStatementsPerConnection均为0，则缓存被关闭。Default: 0-->
        <property name="maxStatements" value="0"/>
        <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
        <property name="idleConnectionTestPeriod" value="60"/>
        <!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
        <property name="acquireRetryAttempts" value="30"/>
        <!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效
       保留，并在下次调用getConnection()的时候继续尝试获取连接。如果设为true，那么在尝试
       获取连接失败后该数据源将申明已断开并永久关闭。Default: false-->
        <property name="breakAfterAcquireFailure" value="false"/>
        <!--因性能消耗大请只在需要的时候使用它。如果设为true那么在每个connection提交的
      时候都将校验其有效性。建议使用idleConnectionTestPeriod或automaticTestTable
      等方法来提升连接测试的性能。Default: false -->
        <property name="testConnectionOnCheckout" value="false"/>
    </named-config>
</c3p0-config>

③：jdbc.properties

driverClassName=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/db_jsp?serverTimezone=GMT
user=root
password=root

④：JDBCUtils

package com.example.d6_bookmall.util;

import com.mchange.v2.c3p0.ComboPooledDataSource;

import javax.sql.DataSource;
import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Properties;

public class JDBCUtils {

    private static DataSource ds = new ComboPooledDataSource("helloc3p0");

    public static  Connection getConnectionFroC3p0() throws SQLException {
        DataSource ds = new ComboPooledDataSource("helloc3p0");
        return ds.getConnection();
    }

    public static Connection getConnection() {
        try {
            Properties pros = new Properties();
            pros.load(JDBCUtils.class.getClassLoader().getResourceAsStream("jdbc.properties"));
            String driverClassName = pros.getProperty("driverClassName");
            String url = pros.getProperty("url");
            String user = pros.getProperty("user");
            String password = pros.getProperty("password");

            // ①：加载驱动
            // 反射的作用是保证Driver被加载
            Class.forName(driverClassName);

            // ②：获取连接
            return DriverManager.getConnection(url, user, password);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return null;
    }

    //  关闭连接工具类
    public static void close(Connection connection, PreparedStatement ps){
        if (ps != null){
            try {
                ps.close();
            } catch (SQLException throwables) {
                throwables.printStackTrace();
            }
        }

        if (connection != null){
            try {
                connection.close();
            } catch (SQLException throwables) {
                throwables.printStackTrace();
            }
        }
    }

}

七、JDBC数据库连接工具类 (Druid)

①：pom.xml

druid
apache commons dbutil
导入依赖坐标： mysql驱动、druid、apache commons dbutil



  <dependencies>
      <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>

      <dependency>
          <groupId>mysql</groupId>
          <artifactId>mysql-connector-java</artifactId>
          <version>8.0.28</version>
      </dependency>

      <dependency>
          <groupId>commons-dbutils</groupId>
          <artifactId>commons-dbutils</artifactId>
          <version>1.6</version>
      </dependency>

      <dependency>
          <groupId>c3p0</groupId>
          <artifactId>c3p0</artifactId>
          <version>0.9.1.2</version>
      </dependency>

      <dependency>
          <groupId>com.alibaba</groupId>
          <artifactId>druid</artifactId>
          <version>1.1.12</version>
      </dependency>

      <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>4.13</version>
          <scope>test</scope>
      </dependency>

<!--      <dependency>-->
<!--          <groupId>javax.servlet</groupId>-->
<!--          <artifactId>javax.servlet-api</artifactId>-->
<!--          <version>3.1.0</version>-->
<!--          <scope>provided</scope>-->
<!--      </dependency>-->

      <dependency>
          <groupId>org.junit.jupiter</groupId>
          <artifactId>junit-jupiter</artifactId>
          <version>RELEASE</version>
          <scope>compile</scope>
      </dependency>

      <!-- jstl 和 standard-->
      <!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
      <dependency>
          <groupId>javax.servlet</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
      </dependency>
      <!-- https://mvnrepository.com/artifact/taglibs/standard -->
      <dependency>
          <groupId>taglibs</groupId>
          <artifactId>standard</artifactId>
          <version>1.1.2</version>
      </dependency>
<!--      JSON 格式转换 依赖-->
      <dependency>
          <groupId>com.google.code.gson</groupId>
          <artifactId>gson</artifactId>
          <version>2.8.5</version>
      </dependency>

  </dependencies>

②：druid.properties

在resources包中创建druid.properties配置文件，并完成参数的配置：

在这里插入图片描述

driverClassName=com.mysql.cj.jdbc.Driver
#URL连接数据库的URL，其中travel（以下面例子来说）为连接的数据库，后面的参数可不改但不删
url=jdbc:mysql://localhost:3306/db_mtl?serverTimezone=GMT&useSSL=false&allowPublicKeyRetrieval=true
characterEncoding=utf-8
#安装mysql时候设置的用户与密码
username=root
password=root
#初始化物理连接的个数
initialSize=5
#最大连接池数量
maxActive=10
#获取连接时最大等待时间
maxWait=3000
#用来检测连接是否有效的sql
validationQuery=SELECT 1
#保证安全性！
testWhileIdle=true

③：DruidUtils

在utils包中创建Druid的工具类

package com.example.d9_mtl.utils;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.pool.DruidDataSourceFactory;

import javax.sql.DataSource;
import java.io.IOException;
import java.io.InputStream;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Properties;

public class DruidUtils {

    // 定义Druid数据库连接池对象
    private static DruidDataSource druidDataSource;

    /**
     * 初始化数据库连接池
     */
    static {
        InputStream inputStream = DruidUtils.class.getResourceAsStream("druid.properties");
        Properties pros = new Properties();
        try {
            pros.load(inputStream);
            druidDataSource = (DruidDataSource) DruidDataSourceFactory.createDataSource(pros);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    /**
     * 返回 DataSource 数据库连接池对象
     * @return
     */
    public static DataSource getDataSource(){
        return druidDataSource;
    }


    /**
     * 从连接池中获取获取数据库连接
     * @return
     */
    public static Connection getConnection(){
        Connection connection = null;
        try {
            connection = druidDataSource.getConnection();
        } catch (SQLException throwables) {
            throwables.printStackTrace();
        }
        return connection;
    }
}

④：MyBatisUtil（SqlSession工具类）

public class MyBatisUtil {
    private static SqlSessionFactory factory;
    private static ThreadLocal<SqlSession> local = new ThreadLocal<SqlSession>();

    static {
        try {
            InputStream is = Resources.getResourceAsStream("mybatis-config.xml");
            SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
            factory = builder.build(is);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
    public static SqlSessionFactory getSqlSessionFactory(){
        return factory;
    }

    public static SqlSession getSession(boolean isAutoCommit) {
        SqlSession sqlSession = local.get();
        if (sqlSession == null){
            sqlSession = factory.openSession(isAutoCommit);
            local.set(sqlSession);
        }
      return sqlSession;
    }
    public static SqlSession getSession(){
        return getSession(false);
    }

    public static <T>T getMapper(Class<T> clazz) {
        SqlSession session = getSession(true);
        return session.getMapper(clazz);
    }
}

八、log4j配置文件模版

1.坐标

<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

新建log4j.properties文件

注意：该文件必须存放在main/java/resources目录下，放在其他目录下是无效的。

①： log4j.properties

方案一

# Global logging configuration
# 设置日志输出级别以及输出目的地，可以设置多个输出目的地，开发环境下，日志级别要设置成DEBUG或者ERROR
# 前面写日志级别，逗号后面写输出目的地：我自己下面设置的目的地相对应，以逗号分开
# log4j.rootLogger = [level],appenderName1,appenderName2,…
log4j.rootLogger=DEBUG,CONSOLE,LOGFILE

#### 控制台输出 ####
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
# 输出到控制台
log4j.appender.CONSOLE.Target = System.out
# 指定控制台输出日志级别
log4j.appender.CONSOLE.Threshold = DEBUG
# 默认值是 true, 表示是否立即输出
log4j.appender.CONSOLE.ImmediateFlush = true
# 设置编码方式
log4j.appender.CONSOLE.Encoding = UTF-8
# 日志输出布局
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
# 如果日志输出布局为PatternLayout 自定义级别，需要使用ConversionPattern指定输出格式
log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %5p (%c:%L) - %m%n



#### 输出错误信息到文件 ####
log4j.appender.LOGFILE=org.apache.log4j.FileAppender
# 指定输出文件路径
#log4j.appender.LOGFILE.File =F://Intellij idea/logs/error.log
log4j.appender.LOGFILE.File =./logs/error.log 

#日志输出到文件，默认为true
log4j.appender.LOGFILE.Append = true
# 指定输出日志级别
log4j.appender.LOGFILE.Threshold = ERROR
# 是否立即输出，默认值是 true,
log4j.appender.LOGFILE.ImmediateFlush = true
# 设置编码方式
log4j.appender.LOGFILE.Encoding = UTF-8
# 日志输出布局
log4j.appender.LOGFILE.layout = org.apache.log4j.PatternLayout
# 如果日志输出布局为PatternLayout 自定义级别，需要使用ConversionPattern指定输出格式
log4j.appender.LOGFILE.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss}  [ %t:%r ] - [ %p ]  %m%n

方案二

{.brush:xml;toolbar: .true; .auto-links: .false;}
log4j.rootLogger=DEBUG, INFO, ERROR
# 输出控制台
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=INFO
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.Encoding=UTF-8
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[%p]%d{yyyy-MM-dd HH:mm:ss} %l -  %m%n

### 输出INFO到日志文件 ###
log4j.appender.INFO = org.apache.log4j.DailyRollingFileAppender
log4j.appender.INFO.File = /data/log/messagePush/messagePush_info.log
#log4j.appender.INFO.File = D:/work/projects/message/trunk/baoxian-message-push/log/messagePush_info.log
log4j.appender.INFO.Append = true
log4j.appender.INFO.Threshold = INFO
log4j.appender.INFO.Encoding=UTF-8
log4j.appender.INFO.layout = org.apache.log4j.PatternLayout
log4j.appender.INFO.layout.ConversionPattern = [%p] %d{yyyy-MM-dd HH:mm:ss} %l - %m%n

### 输出ERROR到日志文件 ###
log4j.appender.ERROR = org.apache.log4j.DailyRollingFileAppender
log4j.appender.ERROR.File = /data/log/messagePush/messagePush_error.log
#log4j.appender.ERROR.File = D:/work/projects/message/trunk/baoxian-message-push/log/messagePush_error.log
log4j.appender.ERROR.Append = true
log4j.appender.ERROR.Threshold = ERROR
log4j.appender.ERROR.Encoding=UTF-8
log4j.appender.ERROR.layout = org.apache.log4j.PatternLayout
log4j.appender.ERROR.layout.ConversionPattern = [%p] %d{yyyy-MM-dd HH:mm:ss} %l - %m%n

②： log4j.xml

{.brush:xml;toolbar: .true; .auto-links: .false;}
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">

    <appender name="debug-out" class="org.apache.log4j.RollingFileAppender">
        <param name="File" value="/data/log/openfire/debug.log" />
        <param name="MaxFileSize" value="1024KB"/>
        <param name="MaxBackupIndex" value="5"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{yyyy.MM.dd HH:mm:ss} %c - %m%n" />
        </layout>
        <filter class="org.apache.log4j.varia.LevelRangeFilter">
            <param name="LevelMax" value="debug" />
            <param name="AcceptOnMatch" value="true" />
        </filter>
    </appender>

    <appender name="info-out" class="org.apache.log4j.RollingFileAppender">
        <param name="File" value="/data/log/openfire/info.log" />
        <param name="MaxFileSize" value="1024KB"/>
        <param name="MaxBackupIndex" value="5"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{yyyy.MM.dd HH:mm:ss} %c - %m%n" />
        </layout>
        <filter class="org.apache.log4j.varia.LevelRangeFilter">
            <param name="LevelMax" value="info" />
            <param name="LevelMin" value="info" />
            <param name="AcceptOnMatch" value="true" />
        </filter>
    </appender>

    <appender name="warn-out" class="org.apache.log4j.RollingFileAppender">
        <param name="File" value="/data/log/openfire/warn.log" />
        <param name="MaxFileSize" value="1024KB"/>
        <param name="MaxBackupIndex" value="5"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{yyyy.MM.dd HH:mm:ss} %c - %m%n" />
        </layout>
        <filter class="org.apache.log4j.varia.LevelRangeFilter">
            <param name="LevelMax" value="warn" />
            <param name="LevelMin" value="warn" />
            <param name="AcceptOnMatch" value="true" />
        </filter>
    </appender>

    <appender name="error-out" class="org.apache.log4j.RollingFileAppender">
        <param name="File" value="/data/log/openfire/error.log" />
        <param name="MaxFileSize" value="1024KB"/>
        <param name="MaxBackupIndex" value="5"/>
        <layout class="org.apache.log4j.PatternLayout">
            <param name="ConversionPattern" value="%d{yyyy.MM.dd HH:mm:ss} %c - %m%n" />
        </layout>
        <filter class="org.apache.log4j.varia.LevelRangeFilter">
            <param name="LevelMin" value="error" />
            <param name="AcceptOnMatch" value="true" />
        </filter>
    </appender>

    <!-- OF-506: Jetty INFO messages are generally not useful. Ignore them by default. -->
    <logger name="org.eclipse.jetty">
        <level value="warn" />
    </logger>

     <root>
        <level value="info" />
        <appender-ref ref="debug-out" />
        <appender-ref ref="info-out" />
        <appender-ref ref="warn-out" />
        <appender-ref ref="error-out" />
    </root>

</log4j:configuration>