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Editorial Team
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Asked: 2026-05-29T18:45:56+00:00

I’ve got the following problem – This is my log4j config file: log4j.rootLogger=info, stdout,

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I’ve got the following problem – This is my log4j config file:

log4j.rootLogger=info, stdout, R
log4j.appender.R=org.apache.log4j.RollingFileAppender
log4j.appender.R.File=logs/example.log

log4j.category.A3=, A3
log4j.appender.A3=org.apache.log4j.RollingFileAppender
log4j.appender.A3.File=logs/A3.log

And this is my java code:

final static private Logger loggerA3 = Logger.getLogger("A3");
loggerA3.info("abcd");

Now, the abcd string appears in both example.log and A3.log, but I only want it to appear in A3.log, what should I do?

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1 Answer

  1. Editorial Team

    Please add the following line in log4j config file

    log4j.additivity.A3=false

    This will ensure that log is not appended to root logger

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