Provides built-in GraalVM Reachability Metadata and submit the library information to the GRM central repo

[linghengqian]

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Enviroment

JDK Version(required): GraalVM CE Dev 23.1.0 For JDK21

SpringBoot Version(required): 3.2.0-SNAPSHOT

dynamic-datasource-spring-boot-starter Version(required): 4.2.0-SNAPSHOT

druid Version(optional): Null.

Describe what happened

• After Open and Fix NativeTest by Spring Framework under GraalVM CE #562 , baomidou/dynamic-datasource provides complete GraalVM Native Image support and completes nativeTest verification in Github Actions. But there are some problems here. Downstream users still need to add reasonable GraalVM Reachability Metadata files themselves. Refer to https://github.com/baomidou/dynamic-datasource/tree/0d963934ac0b4c390e1048eeba3230344cad0dc8/dynamic-datasource-spring-boot3-starter/src/test/resources/META-INF/native-image/com.baomidou/dynamic-datasource-spring-boot3-starter .

• We need to fix the problem in Native Build Tools 0.9.25 that the maven goal of native:metadata-copy is not available in multi-module projects due to thread safety issues. Once this issue is fixed upstream, we will be able to refactor the Maven Profile for generateMetadata. Early surveys were on the Apache ShardingSphere side.

• We need to convert the GraalVM Reachability Metadata file of this commit https://github.com/baomidou/dynamic-datasource/tree/0d963934ac0b4c390e1048eeba3230344cad0dc8/dynamic-datasource-spring-boot3-starter/src/test/resources/META-INF/native-image/com.baomidou/dynamic-datasource-spring-boot3-starter from the Standard form to the Conditional form. Adding a Conditional condition to json can prevent the downstream from using resources mentioned in GraalVM Reachability Metadata but not existing when building GraalVM Native Image.

• After the above procedures are completed, we need to migrate the GraalVM Reachability Metadata under the test package to the main package so that it can be directly used downstream.

• Submit the library information to the GRM central repo. For Add support for com.baomidou:dynamic-datasource-spring-boot-starter:3.6.0 oracle/graalvm-reachability-metadata#153 .

• Although https://github.com/baomidou/dynamic-datasource/blob/0d963934ac0b4c390e1048eeba3230344cad0dc8/CONTRIBUTING.md has been mentioned, we still need to indicate in a more conspicuous place that downstream should not use SpEL functions in GraalVM Native Image . Unless Explore how to pre-compile SpEL expressions during AOT processing spring-projects/spring-framework#29548 is fixed, downstream should not bother with this feature.

Expected Result:

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Actual Result:

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Steps to reproduce

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[linghengqian]

• @huayanYu Please assign this issue to me.

[linghengqian]

• @huayanYu We should complete a release as soon as possible to ask for downstream feedback. This is also the next step to complete this issue.