Clarify table that shows how logging properties are transferred to system properties about spring-boot HOT 8 CLOSED

Are you missing _NAME suffix?

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That looks like an oversight in the documentation to me. Can you try with LOG_FILE_NAME as @quaff suggests?

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I think the documentation might be a little confusing in this area. The logging.file.name property is transferred to a system property named LOG_FILE so that it can be referenced in logging configuration files (e.g. logback.xml). You can find the code in the LogFile class.

It looks like the transfer happens regardless of any existing system property.

You could try setting a LOGGING_FILE_NAME environment variable. I think that will map to logging.file.name and then get transferred to LOG_FILE and be picked up by Logback/Log4j.

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Thanks for the input, I verified the suggested solution using LOGGING_FILE_NAME, this works and is fine for me.

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Let's see if we can clarify the documentation. The table shows how properties in the Spring environment are transferred to system properties but, judging by this issue, it's easy to misinterpret the "System Property" column as environment variables as they're in UPPER_CASE.

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I am willing to take this and work on it. Given that there is a confusion between System property and the Environment variables, would it be good if i add a column with title Environment variable and write the env variables that need to be set for each property in the table?

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Thanks for the offer, @vivganes. I'm not really sure how best to fix this. Unfortunately, I don't think another column will help overall. Due to the limited width in the documentation, I think an extra column will make the table harder to read.

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