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Polish 'Add note about exploded jars and banner properties'

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See gh-24982
This commit is contained in:
Phillip Webb
2021-01-28 18:38:24 -08:00
parent 33c038199d
commit 5b2d1f19a0
1 changed files with 8 additions and 2 deletions
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10
spring-boot-project/spring-boot-docs/src/docs/asciidoc/spring-boot-features.adoc
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@@ -150,8 +150,14 @@ You can also use the configprop:spring.main.banner-mode[] property to determine
The printed banner is registered as a singleton bean under the following name: `springBootBanner`.
NOTE: If you are running with an unpacked jar (and not using the Spring Boot launcher), `application.*` properties are not available.
As a workaround, you can use JarLauncher to start the app (for example, `java -cp . org.springframework.boot.loader.JarLauncher`).
[NOTE]
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The `${application.version}` and `${application.formatted-version}` properties are only available if you are using Spring Boot launchers.
The values won't be resolved if you are running an unpacked jar and starting it with `java -cp <classpath> <mainclass>`.
This is why we recommend that you always use launch unpacked jars using `java org.springframework.boot.loader.JarLauncher`.
This will initialize the `application.*` banner variables before building the classpath and launching your app.
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