SpringNative運行時錯誤：可以訪問不受支持的方法java.lang.Class.isSealed()-有解無憂

我正在嘗試執行由 Spring Native 和 Spring Boot 構建的本機映像。執行我在 /target 目錄中生成的應用程式會給我以下錯誤：

WARN 18883 --- [           main] w.s.c.ServletWebServerApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodValidationPostProcessor': Unexpected exception during bean creation; 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
ERROR 18883 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'methodValidationPostProcessor': Unexpected exception during bean creation; 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
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:555) ~[na:na]
        at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) ~[na:na]
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) ~[na:na]
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) ~[na:na]
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:213) ~[na:na]
        at org.springframework.context.support.PostProcessorRegistrationDelegate.registerBeanPostProcessors(PostProcessorRegistrationDelegate.java:258) ~[na:na]
        at org.springframework.context.support.AbstractApplicationContext.registerBeanPostProcessors(AbstractApplicationContext.java:762) ~[na:na]
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:567) ~[na:na]
        at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) ~[na:na]
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) ~[clea-ws-rest:2.7.0]
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) ~[clea-ws-rest:2.7.0]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) ~[clea-ws-rest:2.7.0]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) ~[clea-ws-rest:2.7.0]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) ~[clea-ws-rest:2.7.0]
        at fr.gouv.clea.ws.CleaWsRestApplication.main(CleaWsRestApplication.java:11) ~[clea-ws-rest:0-SNAPSHOT]
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
        at com.oracle.svm.core.util.VMError.unsupportedFeature(VMError.java:87) ~[na:na]
        at java.lang.Class.isSealed(DynamicHub.java:4563) ~[clea-ws-rest:na]
        at java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
        at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) ~[na:na]
        at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:266) ~[na:na]
        at org.springframework.aop.framework.AopProxyUtils.completeProxiedInterfaces(AopProxyUtils.java:146) ~[na:na]
        at org.springframework.aop.framework.JdkDynamicAopProxy.<init>(JdkDynamicAopProxy.java:111) ~[na:na]
        at org.springframework.aop.framework.DefaultAopProxyFactory.createAopProxy(DefaultAopProxyFactory.java:55) ~[na:na]
        at org.springframework.aop.framework.ProxyCreatorSupport.createAopProxy(ProxyCreatorSupport.java:105) ~[na:na]
        at org.springframework.aop.framework.ProxyFactory.getProxy(ProxyFactory.java:110) ~[na:na]
        at org.springframework.context.annotation.ContextAnnotationAutowireCandidateResolver.buildLazyResolutionProxy(ContextAnnotationAutowireCandidateResolver.java:130) ~[na:na]
        at org.springframework.context.annotation.ContextAnnotationAutowireCandidateResolver.getLazyResolutionProxyIfNecessary(ContextAnnotationAutowireCandidateResolver.java:54) ~[na:na]
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1306) ~[na:na]
        at org.springframework.aot.beans.factory.InjectedConstructionResolver.lambda$resolve$0(InjectedConstructionResolver.java:83) ~[na:na]
        at org.springframework.aot.beans.factory.InjectedConstructionResolver.resolveDependency(InjectedConstructionResolver.java:97) ~[na:na]
        at org.springframework.aot.beans.factory.InjectedConstructionResolver.resolve(InjectedConstructionResolver.java:83) ~[na:na]
        at org.springframework.aot.beans.factory.InjectedElementResolver.resolve(InjectedElementResolver.java:35) ~[na:na]
        at org.springframework.aot.beans.factory.InjectedElementResolver.create(InjectedElementResolver.java:66) ~[na:na]
        at org.springframework.aot.beans.factory.BeanDefinitionRegistrar$BeanInstanceContext.create(BeanDefinitionRegistrar.java:211) ~[na:na]
        at org.springframework.aot.ContextBootstrapInitializer.lambda$initialize$39(ContextBootstrapInitializer.java:378) ~[na:na]
        at org.springframework.aot.beans.factory.BeanDefinitionRegistrar$ThrowableFunction.apply(BeanDefinitionRegistrar.java:294) ~[na:na]
        at org.springframework.aot.beans.factory.BeanDefinitionRegistrar.lambda$instanceSupplier$0(BeanDefinitionRegistrar.java:115) ~[na:na]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.obtainFromSupplier(AbstractAutowireCapableBeanFactory.java:1249) ~[na:na]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1191) ~[na:na]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) ~[na:na]
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) ~[na:na]

我在 pom.xml 中使用以下依賴項：

       <dependency>
            <groupId>org.springframework.experimental</groupId>
            <artifactId>spring-native</artifactId>
            <version>0.12.0</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.experimental</groupId>
            <artifactId>spring-aot</artifactId>
            <version>0.12.0</version>
        </dependency>

這些插件：

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.7.0</version>
                <configuration>
                    <image>
                        <builder>paketobuildpacks/builder:tiny</builder>
                        <env>
                            <BP_NATIVE_IMAGE>true</BP_NATIVE_IMAGE>
                        </env>
                    </image>
                    <classifier>exec</classifier>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.experimental</groupId>
                <artifactId>spring-aot-maven-plugin</artifactId>
                <version>0.12.0</version>
            </plugin>
            <plugin>
                <groupId>org.springframework.experimental</groupId>
                <artifactId>spring-aot-maven-plugin</artifactId>
                <version>0.12.0</version>
                <executions>
                    <execution>
                        <id>generate</id>
                        <goals>
                            <goal>generate</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

以及用于構建本機映像的這些組態檔：

      <profile>
            <id>native</id>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.graalvm.buildtools</groupId>
                        <artifactId>native-maven-plugin</artifactId>
                        <version>0.9.11</version>
                        <executions>
                            <execution>
                                <id>build-native</id>
                                <goals>
                                    <goal>build</goal>
                                </goals>
                                <phase>package</phase>
                            </execution>
                        </executions>
                    </plugin>
                    <plugin>
                        <groupId>org.springframework.boot</groupId>
                        <artifactId>spring-boot-maven-plugin</artifactId>
                        <configuration>
                            <classifier>exec</classifier>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>

要構建影像，我使用這些命令列： mvn package -Pnative或mvn package spring-boot:build-image；然后，結果出現在 /target 目錄中，我./target/myApp用來運行它。

這是結果java --version：

openjdk 17.0.3 2022-04-19
OpenJDK Runtime Environment GraalVM CE 21.3.2 (build 17.0.3 7-jvmci-21.3-b14)
OpenJDK 64-Bit Server VM GraalVM CE 21.3.2 (build 17.0.3 7-jvmci-21.3-b14, mixed mode, sharing)

我在 github 上發現了這個問題，這似乎與我的非常相似，如果不完全相同的話。票已關閉，但我不明白解決方案。

該錯誤似乎與與環境相關的組態檔（dev，prod，test ...）有關。Spring Native 檔案的一部分專門針對這一方面。為了解決這個錯誤，我在組態檔中填寫了一個application.yml組態檔。組態檔在運行時正確加載，但錯誤相同。

錯誤不會來自jdk和Spring庫之間的兼容性問題嗎？但是，在 javadoc中，該方法從 jdk 版本 17 開始存在。

提前致謝

uj5u.com熱心網友回復：

從您鏈接的github 問題中，我們可以看到解決方案是在 GraalVM 中的密封類上添加反射支持。

這通過以下拉取請求合并到 master 。

在GraalVM 發行說明中，我們可以看到這使其成為版本22.0.0及更高版本的發行版。

22.0.0 (2021-01-18)

這個日期好像不對，應該是2022-01-18

添加了對 JDK 17 上密封類的反射自省的支持：Class.isSealed() 和 Class.getPermittedSubclasses()。

您當前的 JDK 使用的是 GraalVM 21.3.2，因此尚不包含此修復程式。解決方案是找到具有 GraalVM 22.x 或更高版本的 JDK 構建。

轉載請註明出處，本文鏈接：https://www.uj5u.com/shujuku/498138.html

標籤：爪哇弹簧靴行家 graalvm-native-image 春天原生

上一篇：無法從類加載器層次結構中掃描[jar:file:/app.jar!/BOOT-INF/lib/spring-webmvc-5.2.5.RELEASE.jar!/]

下一篇：GitLabCI/CDMavenSpringBoot上傳*jar錯誤：沒有這樣的檔案或目錄