objectInputStream.readObject() java.io.InvalidClassException: java.util.HashMap;本地类不兼容：使用 graalVM 流式传输 classdesc

问题描述 投票：0回答：1
  • 包含有关您目标的详细信息：

使用 

return (Map<?, ?>) objectInputStream.readObject();
获取 Map，而不会在 graalVM 本机映像中失败。

  • 显示一些代码：

代码其实很简单。只需将两个文件复制粘贴到您的环境中即可重现。

private static Map<?, ?> getNormalizedMap(String encoded) {
        try (var objectInputStream = new ObjectInputStream(new ByteArrayInputStream(Base64.getDecoder().decode(encoded)))) {
            return (Map<?, ?>) objectInputStream.readObject(); // issue here !
        } catch (IOException | ClassNotFoundException | IllegalArgumentException e) {
            LOGGER.error("encoded={}", encoded, e);
            return Map.of();
        }
    }

完整文件：

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.util.Base64;
import java.util.Map;

@RestController
@SpringBootApplication
public class GraalissueApplication {

    public static void main(String[] args) {
        SpringApplication.run(GraalissueApplication.class, args);
    }

    @GetMapping("/graalissue")
    public String index() {
        String base64encoded = "rO0ABXNyACVqYXZhLnV0aWwuQ29sbGVjdGlvbnMkVW5tb2RpZmlhYmxlTWFw8aWo/nT1B0ICAAFMAAFtdAAPTGphdmEvdXRpbC9NYXA7eHBzcgARamF2YS51dGlsLkhhc2hNYXAFB9rBwxZg0QMAAkYACmxvYWRGYWN0b3JJAAl0aHJlc2hvbGR4cD9AAAAAAADAdwgAAAEAAAAAKXQAFXN0YWdlLWV2ZW50cy1vc2NfdWktKnNyABFqYXZhLnV0aWwuSGFzaFNldLpEhZWWuLc0AwAAeHB3DAAAABA/QAAAAAAABnQACHVzZXIudWlkdAAHdXNlci5pZHQAD3VzZXIuZXh0ZXJuYWxJZHQACWRldmljZS5pZHQACGRldmljZUlkdAAGdXNlcklkeHQAIXN0YWdlLWV2ZW50cy13YnRfaW5mcmFzdHJ1Y3R1cmUtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAFHN0YWdlLWV2ZW50cy1hYmh1Yi0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAYc3RhZ2UtZXZlbnRzLXJkc3BvcnRhbC0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAVZXZlbnRzLWdmZV9hZmZpbml0eS0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAec3RhZ2UtZXZlbnRzLWF1dG9tYXRlZF90ZXN0cy0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAYc3RhZ2UtZXZlbnRzLWdmZWNsaWVudC0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAZc3RhZ2UtZmVlZGJhY2tzLXBpY2Fzc28tKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAHHN0YWdlLWV2ZW50cy1nZmVfbnZiYWNrZW5kLSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABpzdGFnZS1mZWVkYmFja3MtZTJlX3Rlc3QtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAG3N0YWdlLWZlZWRiYWNrcy1nZmVjbGllbnQtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAEnN0YWdlLWV2ZW50cy1uZ3gtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAG3N0YWdlLWV2ZW50cy1uc3RvcmFnZV9jbGktKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAF3N0YWdlLWV2ZW50cy1nZmVpbmZyYS0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAhc3RhZ2UtZXZlbnRzLWNyaW1zb25fZG93bmxvYWRlci0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAaZXZlbnRzLXN3LWd4X252Y29udGFpbmVyLSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABRzdGFnZS1ldmVudHMtYW5zZWwtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAHXN0YWdlLWV2ZW50cy1nZmVfdHJhbnNjb2Rlci0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAVc3RhZ2UtZXZlbnRzLWd0bF91aS0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAXc3RhZ2UtZmVlZGJhY2tzLW5vY2F0LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0AB5zdGFnZS1ldmVudHMtZ3B1X2FjdGl2YXRpb25zLSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABBzdGFnZS1sb2dzLWFsbS0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAZc3RhZ2UtZXZlbnRzLXF4cF9jbGllbnQtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAGnN0YWdlLWV2ZW50cy1ndGxfaW1hZ2luZy0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAUc3RhZ2UtZXZlbnRzLW5vY2F0LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0AB9zdGFnZS1mZWVkYmFja3MtZ2ZlX252YmFja2VuZC0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAdc3RhZ2UtZmVlZGJhY2tzLW52YXBwY2xpZW50LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABZzdGFnZS1ldmVudHMtcGljYXNzby0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAgc3RhZ2UtZXZlbnRzLWdhbWVyZWFkeXNlcnZpY2VzLSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABpzdGFnZS1ldmVudHMtbnZ0ZWxlbWV0cnktKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAHnN0YWdlLWZlZWRiYWNrcy1sb2djb2xsZWN0b3ItKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAH3N0YWdlLWZlZWRiYWNrcy1kZF9ub2NhdF9mbGF0LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ABxzdGFnZS1ldmVudHMtZGlzcGxheWRyaXZlci0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAZc3RhZ2UtZXZlbnRzLXNoYWRvd3BsYXktKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAF3N0YWdlLWV2ZW50cy1jaHJvbWF1aS0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAac3RhZ2UtZXZlbnRzLW52YXBwY2xpZW50LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0AB1ldmVudHMtc3ctZ3hfY3Jhc2hwcm9jZXNzb3ItKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHQAFnN0YWdlLWV2ZW50cy1wYXJsbGF5LSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0ACJzdGFnZS1yZWNvbXByZXNzb3ItZ2ZlX2ZlZWRiYWNrcy0qc3EAfgAGdwwAAAAQP0AAAAAAAAZxAH4ACHEAfgAJcQB+AApxAH4AC3EAfgAMcQB+AA14dAAXc3RhZ2UtZXZlbnRzLW52Y2FudmFzLSpzcQB+AAZ3DAAAABA/QAAAAAAABnEAfgAIcQB+AAlxAH4ACnEAfgALcQB+AAxxAH4ADXh0AB1zdGFnZS1mZWVkYmFja3MtZGlhZ25vc3RpY3MtKnNxAH4ABncMAAAAED9AAAAAAAAGcQB+AAhxAH4ACXEAfgAKcQB+AAtxAH4ADHEAfgANeHg=";
        Map map = getNormalizedMap(base64encoded);
        return "It should be 41 here => " + map.size();
    }

    private static Map<?, ?> getNormalizedMap(final String encoded) {
        try (var objectInputStream = new ObjectInputStream(new ByteArrayInputStream(Base64.getDecoder().decode(encoded)))) {
            return (Map<?, ?>) objectInputStream.readObject();
        } catch (IOException | ClassNotFoundException | IllegalArgumentException e) {
            e.printStackTrace();
            return Map.of();
        }
    }

}

pom：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.3.0</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>graalissue</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>graalissue</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>22</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.graalvm.buildtools</groupId>
                <artifactId>native-maven-plugin</artifactId>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <image>
                        <env>
                            <BP_JVM_VERSION>22</BP_JVM_VERSION>
                            <BP_NATIVE_IMAGE_BUILD_ARGUMENTS>-H:-AddAllFileSystemProviders</BP_NATIVE_IMAGE_BUILD_ARGUMENTS>
                        </env>
                    </image>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>
  • 描述预期结果：

return (Map<?, ?>) objectInputStream.readObject();
将返回正确的地图。对于这个问题，预期的结果应该是

  1. 只需运行 mvn clean install 并运行 jar
  2. 发出http请求，
    curl http://localhost:8080/graalissue
  3. 预期输出：“这里应该是 41 => 41”

对于本机和非本机图像，我希望看到“这里应该是 41 => 41”。

  • 描述实际结果：
  1. 运行 
    mvn -Pnative spring-boot:build-image
    这将创建 graalvm 本机映像
  2. run docker tag docker.io/library/graalissue:0.0.1-SNAPSHOT graalissue:latest
  3. docker run -p 8080:8080 graalissue:latest
  4. curl http://localhost:8080/graalissue
    输出大小将为 0。
  • 包括任何错误消息：

两者都失败了

  1. 要求将 
    java.util.Collections$UnmodifiableMap
    添加到 
    serialization-config.json
  2. 如果我将 
    java.util.Collections$UnmodifiableMap
    添加到 
    serialization-config.json
    （我什至不确定是否正确），我会得到 
    java.io.InvalidClassException: java.util.HashMap; local class incompatible: stream classdesc

如果我没有向 

serialization-config.json
添加任何内容，则会出错，并且堆栈跟踪会要求我将 
java.util.Collections$UnmodifiableMap
添加到 
serialization-config.json

如果我添加它，我会得到这个堆栈跟踪：

java.io.InvalidClassException: java.util.HashMap; local class incompatible: stream classdesc serialVersionUID = 362498820763181265, local class serialVersionUID = -3563561681480877083
        at [email protected]/java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:598)
        at [email protected]/java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:2063)
        at [email protected]/java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1912)
        at [email protected]/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2237)
        at [email protected]/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1747)
        at [email protected]/java.io.ObjectInputStream$FieldValues.<init>(ObjectInputStream.java:2603)
        at [email protected]/java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2454)
        at [email protected]/java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2269)
        at [email protected]/java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1747)
        at [email protected]/java.io.ObjectInputStream.readObject(ObjectInputStream.java:525)
        at [email protected]/java.io.ObjectInputStream.readObject(ObjectInputStream.java:483)
  • 问题：

如何解决这个问题？

如何在 graalVM 原生镜像中正确地

return (Map<?, ?>) objectInputStream.readObject();
，因为非原生镜像中的代码根本没有问题？

java serialization hashmap graalvm
1个回答
0
投票

我认为您需要向 AOT 编译器提示您正在序列化的类型，因为序列化需要反射才能工作。据我所知，您可以通过 

@RegisterReflectionForBinding
指定（请参阅 docs）。引用文档：

@RegisterReflectionForBinding 是 @Reflective 的特化， 注册序列化任意类型的需要。典型用例 是容器无法推断的 DTO 的使用，例如使用 方法体内的 Web 客户端。

我还没有测试过这个，但我会尝试将注释添加为：

    @RegisterReflectionForBinding(Map.class)
    private static Map<?, ?> getNormalizedMap(final String encoded) {
        try (var objectInputStream = new ObjectInputStream(new ByteArrayInputStream(Base64.getDecoder().decode(encoded)))) {
            return (Map<?, ?>) objectInputStream.readObject();
        } catch (IOException | ClassNotFoundException | IllegalArgumentException e) {
            e.printStackTrace();
            return Map.of();
        }
    }
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