Tester Tester - 1 year ago 117
Java Question

How to log the second argument in log4j

I am trying to use log4j for the first time and I have configured it correctly, I just wanted to know how can I print the details of the argument passed as second parameter:

LogManager.getLogger(SomeName.class.getName()).info(message, detail);

and my configuration appender is:

<File name="file1" fileName="output.log">
<PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>

I think there should be some switch within the pattern after
if I want to log the detail there. But I am not sure what or how.

Answer Source

Though I was expecting some better solution, but this seems to be the only one available.

LogManager.getLogger(SomeName.class.getName()).info("Message: {}, Detail: {}", message, detail);
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