Spring 16上Spring R2DBC应用程序的本地映像在不受支持的方法上失败

Question

我有一个构建在org.springframework.boot:spring-boot-starter-parent版本2.5.4-SNAPSHOT和一些派生依赖项之上的简单应用程序：

• org.springframework.boot:spring-boot-starter-data-r2dbc
• org.springframework.boot:spring-boot-starter-webflux
• org.springframework.boot:spring-boot-starter-actuator
• io.r2dbc:r2dbc-postgresql

我使用org.springframework.experimental:spring-native版本0.10.3启用Spring使用以下插件：

<properties>
    <java.version>16</java.version>
</properties>

<!-- native-docker profile -->
<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <image>
            <builder>paketobuildpacks/builder:tiny</builder>
            <env>
                <BP_BOOT_NATIVE_IMAGE>1</BP_BOOT_NATIVE_IMAGE>
            </env>
        </image>
        <fork>false</fork>
        <jvmArguments>--enable-preview</jvmArguments>
    </configuration>
</plugin>

我使用./mvnw.cmd spring-boot:build-image -Pnative-docker -DskipTests构建映像，我确信Java16是正确引导的，然后映像就存在了(为什么它已经41岁了，我不知道)。

[INFO]     [creator]     Paketo GraalVM Buildpack 6.4.2
[INFO]     [creator]       https://github.com/paketo-buildpacks/graalvm
[INFO]     [creator]       Build Configuration:
[INFO]     [creator]         $BP_JVM_VERSION            16.*           the Java version

$ docker图像存储库标记图像ID创建的大小..。我的应用程序0.0.1-快照9bdb55e635ab 41年前128 41

在使用docker-compose up创建映像之后，我使用Dockerfile启动数据库，然后启动应用程序(正如我以前构建的映像通常使用Dockerfile一起启动一样)，引发了以下异常，Spring应用程序不会启动：

myapplication | Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'partyRepository' defined in com.myapplication.repository.MyFirstRepository defined in @EnableR2dbcRepositories declared on R2dbcRepositoriesAutoConfigureRegistrar.EnableR2dbcRepositoriesConfiguration: Invocation of init method failed; nested exception is com.oracle.svm.core.jdk.UnsupportedFeatureError: Unsupported method java.lang.Class.isSealed() is reachable: The declaring class of this element has been substituted, but this element is not present in the substitution class
myapplication |     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1786) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) ~[na:na]
myapplication |     at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:276) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1380) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1300) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.ConstructorResolver.resolveAutowiredArgument(ConstructorResolver.java:887) ~[na:na]
myapplication |     at org.springframework.beans.factory.support.ConstructorResolver.createArgumentArray(ConstructorResolver.java:791) ~[na:na]
myapplication |     ... 19 common frames omitted
myapplication | Caused by: com.oracle.svm.core.jdk.UnsupportedFeatureError: Unsupported method java.lang.Class.isSealed() is reachable: The declaring class of this element has been substituted, but this element is not present in the substitution class

我假设R2DBC在某种程度上使用了在Java16中处于启用预览模式的Class#isSealed。如何使它运行？

Answer 1

对于这个问题，据报道，在#3870 21.3上可复制的Oracle/Graal项目之后出现了一个bug GraalVM。

这个问题正在等待解决。