Add native image support for Log4J integration #46410
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This change introduces AOT runtime hints for Log4j Core 2 to support its integration with Spring Boot native images. Starting with version `2.25.0`, Log4j Core 2 includes built-in GraalVM reachability metadata, allowing native image generation without requiring additional manual configuration. This contribution complements that by adding Spring Boot–specific metadata: * Registers default Spring Boot configuration files. * Registers classes referenced via `ClassUtils.isPresent(...)` checks. Fixes spring-projects#42273. > [!NOTE] > This change should be reviewed in conjunction with spring-projects#46334, which configures Log4j Core’s `GraalVmProcessor` to generate reachability metadata for Spring Boot’s custom Log4j plugins. Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
spring-projects-issues
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status: waiting-for-triage
Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
Signed-off-by: Piotr P. Karwasz <piotr@github.copernik.eu>
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type: enhancement
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This change introduces AOT runtime hints for Log4j Core 2 to support its integration with Spring Boot native images.
Starting with version
2.25.0, Log4j Core 2 includes built-in GraalVM reachability metadata, allowing native image generation without requiring additional manual configuration.This contribution complements that by adding Spring Boot–specific metadata:
ClassUtils.isPresent(...)checks.Fixes #42273.
Note
This change should be reviewed in conjunction with #46334, which configures Log4j Core’s
GraalVmProcessorto generate reachability metadata for Spring Boot’s custom Log4j plugins.