Spring 5.0.2中的Log4jConfigurer

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问题描述

i使用了Spring 4.x.x，并使用以下设置来配置Log4J.现在正在将其升级到已删除Log4jConfigurer类的弹簧5.0.2.我该如何在春季5.0.2?

中进行

<bean
    class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
    <property name="targetClass" value="org.springframework.util.Log4jConfigurer"/>
    <property name="targetMethod" value="initLogging"/>
    <property name="arguments">
        <list>
            <value>classpath:log4j.properties</value>
        </list>
    </property>
</bean>

推荐答案

非默认log4j初始化所需的Log4JConfigurer，例如如果使用自定义配置文件名/位置，但您的配置文件位于默认位置:classpath:log4j.properties因此，您可以简单地删除Log4jConfigurer声明，而Spring将自动发现您的log4j.properties.

这里有一个可能的警告；弹簧5使用log4j v2(以下apache的eol声明为log4j 1.x)，因此，只要您使用log4j v2，spring 5就会自动检测到它，而您的log4j.properties文件无需声明Log4JConfigurer.如果您当前不使用Log4J V2，那么我认为您需要升级，因为Spring 5不支持Log4JV1.X.

的使用.

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问题描述

I was using Spring 4.X.X and used the below setup to configure Log4j. Now am upgrading it to Spring 5.0.2 where the Log4jConfigurer class has been removed. How can I do it in Spring 5.0.2?

<bean
    class="org.springframework.beans.factory.config.MethodInvokingFactoryBean">
    <property name="targetClass" value="org.springframework.util.Log4jConfigurer"/>
    <property name="targetMethod" value="initLogging"/>
    <property name="arguments">
        <list>
            <value>classpath:log4j.properties</value>
        </list>
    </property>
</bean>

推荐答案

The Log4JConfigurer was required for non default Log4j initialisation e.g. if using a custom config file name/location but your config file is located in the default location: classpath:log4j.properties so you can simply remove the Log4jConfigurer declaration and Spring will auto discover your log4j.properties.

There is one possible caveat here; Spring 5 uses Log4j v2 (following Apache's EOL declaration for log4j 1.x) so as long as you are using Log4j v2 then Spring 5 will auto detect it and your log4j.properties file without any need to declare a Log4JConfigurer. If you are not currently using Log4j v2 then I think you'll need to upgrade since Spring 5 does not support the use of Log4j v1.x.

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