How to read .properties file in a log4j.xml

Asked Aug 27 '17 at 16:18

Active Aug 27 '17 at 16:18

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I want to use a .properties files's value in a log4j2.xml file.

But log4j2.xml cant use bean element, the follow way is wrong

 <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:config.properties</value>
                <value>classpath:database.properties</value>
            </list>
        </property>
    </bean>

Is there any way to load a .properties file in a log4j.xml?

asked Aug 27 '17 at 16:18

lulijun

Are you initializing log4j2 with spring? If not then it wont be available. – SMA Aug 27 '17 at 16:20
Here is how you could use placeholders in log4.xml: https://stackoverflow.com/questions/2810926/how-to-give-dynamic-file-name-in-the-appender-in-log4j-xml – Roman Puchkovskiy Aug 27 '17 at 16:21
@SMA Should I init log4j2 explicitly？ – lulijun Aug 27 '17 at 16:37
@RomanPuchkovskiy I've tried use jvm param and add System.setProperty, but they don't work. I'll check my code again – lulijun Aug 27 '17 at 16:39
@lulijun did you find solution for this? – krishna_5c3 Nov 27 '17 at 23:34
@krishna_5c3 Not yet – lulijun Nov 28 '17 at 02:24

How to read .properties file in a log4j.xml

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