Add GraalVM native JSON configuration generation #28131
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sdeleuze
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I think I am going to update that PR to use |
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I have updated the PR to expose a single |
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I've just discussed this with @sdeleuze because I remembered a specific point about the AOT processing in Spring Native: this processing phase is triggered by the build plugins as they fork a JVM process using the application runtime classpath. This last point is necessary since all the classloader detections need to happen in a consistent fashion with the actual runtime behavior of the application. Using Jackson as a required dependency means that build plugins would have to artificially add Jackson as a dependency to the runtime classpath, thus invalidating Jackson auto-detection during the AOT processing. This is why in Spring Native we chose to use/shade the vaadin "android-json" dependency to manipulate JSON. We had more specific needs there, such as reading/merging/writing JSON documents. In this case, since we're only writing a document out, maybe we should use a |
...ng-core/src/main/java/org/springframework/aot/hint/nativex/NativeConfigurationGenerator.java
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...-context/src/main/java/org/springframework/context/nativex/NativeConfigurationGenerator.java
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The application used to validate it works as expected is https://github.com/sdeleuze/generate-native-config. |
This commit implements 4 package private Json serializers for JavaSerializationHints, ProxyHints, ReflectionHints and ResourceHints to serialize GraalVM native JSON configuration as documented in https://www.graalvm.org/22.0/reference-manual/native-image/BuildConfiguration/. It exposes the related functionality via NativeConfigurationGenerator which allows to generate the relevant files on the filesystem via the FileNativeConfigurationGenerator implementation. The generated *-config.json files have been validated working with GraalVM 22.0. Closes spring-projectsgh-27991
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Merged via 77e0100. |
snicoll
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Here is a PR intended to be a proposal to implement #27991.
The related commit implements 4 package private Jackson
JsonSerializerforJavaSerializationHints,ProxyHints,ReflectionHintsandResourceHintsto serialize GraalVM native JSON configuration as documented in https://www.graalvm.org/22.0/reference-manual/native-image/BuildConfiguration/.It exposes the related functionality via
NativeConfigurationGeneratorwhich allows to generate the relevant files on the filesystem.The generated
*-config.jsonfiles has been validated working with GraalVM 22.0.Looking forward to your feedback @jhoeller.