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Polish Log4j2 changes

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See gh-32742
This commit is contained in:
Johnny Lim
2022-10-15 15:15:52 +09:00
committed by Andy Wilkinson
parent 3c51845864
commit ea4f22684d
7 changed files with 11 additions and 14 deletions
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spring-boot-project/spring-boot-docs/src/docs/asciidoc/features/logging.adoc
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@@ -487,7 +487,7 @@ NOTE: Because the standard `log4j2.xml` configuration file is loaded too early,
You need to either use `log4j2-spring.xml` or define a configprop:logging.config[] property.
NOTE: The extensions supersede the https://logging.apache.org/log4j/2.x/log4j-spring-boot/index.html[Spring Boot support] provided by Log4J.
You should make sure not include the `org.apache.logging.log4j:log4j-spring-boot` module in your build.
You should make sure not to include the `org.apache.logging.log4j:log4j-spring-boot` module in your build.
@@ -536,12 +536,12 @@ NOTE: The lookup key should be specified in kebab case (such as `my.property-nam
[[features.logging.log4j2-extensions.environment-peroperty-source]]
[[features.logging.log4j2-extensions.environment-property-source]]
==== Log4j2 System Properties
Log4j2 supports a number of https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties[System Properties] that can be used configure various items.
Log4j2 supports a number of https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties[System Properties] that can be used to configure various items.
For example, the `log4j2.skipJansi` system property can be used to configure if the `ConsoleAppender` will try to use a https://github.com/fusesource/jansi[Jansi] output stream on Windows.
All system properties that are loaded after the Log4J initialization can be obtained from the Spring `Environment`.
All system properties that are loaded after the Log4j2 initialization can be obtained from the Spring `Environment`.
For example, you could add `log4j2.skipJansi=false` to your `application.properties` file to have the `ConsoleAppender` use a Jansi on Windows.
NOTE: The Spring `Environment` is only considered when system properties and OS environment variables do not contain the value being loaded.