In my application, I would want to save log of different sources to different
files without knowing the file names before hand.
How should I do that with Log4j2?
I have tried the following config
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<properties>
<property name="logDir">/home/ad/log</property>
<property name="pattern">%d{yyyy-MM-dd HH:mm:ss.SSS} | %-5.5p |
%-10.10t | %C:%-5.5L | %msg%n</property>
</properties>
<appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="${pattern}"/>
</Console>
<File name="Debug" fileName="${sys.logFileName}">
<PatternLayout>
<pattern>${pattern}</pattern>
</PatternLayout>
</File>
<File name="Product" fileName="${sys.logFileName}">
<PatternLayout>
<pattern>${pattern}</pattern>
</PatternLayout>
</File>
</appenders>
<loggers>
<logger name="productLogger" level="INFO" additivity="false">
<appender-ref ref="Product"/>
</logger>
<logger name="debugLogger" level="DEBUG" additivity="false">
<appender-ref ref="Console"/>
<appender-ref ref="Debug"/>
</logger>
<root level="info">
<appender-ref ref="Console"/>
</root>
</loggers>
</configuration>
And tried to set the sys.logFileName property in the code but it doesn't
work
System.setProperty("logFileName", fileName);
LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
ctx.reconfigure();
Thank you.
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