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Java 10 的正确修复抱怨 jaxb-impl 2.3.0 非法反射访问？

java maven jaxb java-10
2022-08-31 22:32:23

我们正在考虑将一些遗留代码升级到Java 10。由于 JAXB 在默认情况下不可见（编辑：正确的长期解决方案不是使用各种 JVM 标志来规避症状，而是正确修复它），我已将此代码段添加到我的 pom.xml：

    <!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
    <dependency>
        <groupId>javax.xml.bind</groupId>
        <artifactId>jaxb-api</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-core</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>com.sun.xml.bind</groupId>
        <artifactId>jaxb-impl</artifactId>
        <version>2.3.0</version>
    </dependency>

不幸的是，在启动时仍然有一个警告打印到stderr。显然，这不是正确的修复程序。

WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/home/tra/.m2/repository/com/sun/xml/bind/jaxb-impl/2.3.0/jaxb-impl-2.3.0.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

完整的输出为：--illegal-access=debug

WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/home/tra/.m2/repository/com/sun/xml/bind/jaxb-impl/2.3.0/jaxb-impl-2.3.0.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.getMethod(Injector.java:222)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.access$000(Injector.java:74)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:175)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:172)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.<clinit>(Injector.java:171)
    at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:81)
    at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:179)
    at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:285)
    at com.sun.xml.bind.v2.runtime.property.ArrayProperty.<init>(ArrayProperty.java:68)
    at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.<init>(ArrayERProperty.java:88)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:100)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:62)
    at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:128)
    at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:181)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:514)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:331)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:139)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1156)
    at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:165)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:297)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:286)
    at javax.xml.bind.ContextFinder.find(ContextFinder.java:409)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:721)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:662)
    at dk.statsbiblioteket.medieplatform.autonomous.PremisManipulatorFactory.<init>(PremisManipulatorFactory.java:28)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule.providePremisManipulatorFactory(DomsModule.java:182)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:32)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:11)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:56)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:12)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.doms.DomsRepository_Factory.get(DomsRepository_Factory.java:53)
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/home/tra/.m2/repository/com/sun/xml/bind/jaxb-impl/2.3.0/jaxb-impl-2.3.0.jar) to method java.lang.ClassLoader.resolveClass(java.lang.Class)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.getMethod(Injector.java:222)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.access$000(Injector.java:74)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:175)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:172)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.<clinit>(Injector.java:171)
    at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:81)
    at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:179)
    at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:285)
    at com.sun.xml.bind.v2.runtime.property.ArrayProperty.<init>(ArrayProperty.java:68)
    at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.<init>(ArrayERProperty.java:88)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:100)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:62)
    at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:128)
    at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:181)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:514)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:331)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:139)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1156)
    at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:165)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:297)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:286)
    at javax.xml.bind.ContextFinder.find(ContextFinder.java:409)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:721)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:662)
    at dk.statsbiblioteket.medieplatform.autonomous.PremisManipulatorFactory.<init>(PremisManipulatorFactory.java:28)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule.providePremisManipulatorFactory(DomsModule.java:182)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:32)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:11)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:56)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:12)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.doms.DomsRepository_Factory.get(DomsRepository_Factory.java:53)
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector (file:/home/tra/.m2/repository/com/sun/xml/bind/jaxb-impl/2.3.0/jaxb-impl-2.3.0.jar) to method java.lang.ClassLoader.findLoadedClass(java.lang.String)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.getMethod(Injector.java:222)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.access$000(Injector.java:74)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:175)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1.run(Injector.java:172)
    at java.base/java.security.AccessController.doPrivileged(Native Method)
    at com.sun.xml.bind.v2.runtime.reflect.opt.Injector.<clinit>(Injector.java:171)
    at com.sun.xml.bind.v2.runtime.reflect.opt.AccessorInjector.prepare(AccessorInjector.java:81)
    at com.sun.xml.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:179)
    at com.sun.xml.bind.v2.runtime.reflect.Accessor$FieldReflection.optimize(Accessor.java:285)
    at com.sun.xml.bind.v2.runtime.property.ArrayProperty.<init>(ArrayProperty.java:68)
    at com.sun.xml.bind.v2.runtime.property.ArrayERProperty.<init>(ArrayERProperty.java:88)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementProperty.<init>(ArrayElementProperty.java:100)
    at com.sun.xml.bind.v2.runtime.property.ArrayElementNodeProperty.<init>(ArrayElementNodeProperty.java:62)
    at com.sun.xml.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:128)
    at com.sun.xml.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:181)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:514)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:331)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:139)
    at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1156)
    at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:165)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:297)
    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:286)
    at javax.xml.bind.ContextFinder.find(ContextFinder.java:409)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:721)
    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:662)
    at dk.statsbiblioteket.medieplatform.autonomous.PremisManipulatorFactory.<init>(PremisManipulatorFactory.java:28)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule.providePremisManipulatorFactory(DomsModule.java:182)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:32)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvidePremisManipulatorFactoryFactory.get(DomsModule_ProvidePremisManipulatorFactoryFactory.java:11)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:56)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.tools.modules.DomsModule_ProvideSBOIEventIndexFactory.get(DomsModule_ProvideSBOIEventIndexFactory.java:12)
    at dk.statsbiblioteket.digital_pligtaflevering_aviser.doms.DomsRepository_Factory.get(DomsRepository_Factory.java:53)

此处使用哪些适当的依赖项来解决此问题？


答案 1

jaxb-ri 运行时用于在运行时中执行一些字节码修改以优化性能。 首先尝试，这会导致警告。ClassLoader#defineClass / Unsafe#defineClassClassLoader#defineClass

此旧优化在 jaxb-ri master 中已完全删除（在 2.3.0 之后，尚未发布）。

要禁用 2.3.0 的此优化，请设置系统属性 。com.sun.xml.bind.v2.bytecode.ClassTailor.noOptimize

在下一个 jaxb-ri 版本更新到最新版本后，将删除警告。jaxb-core工件将被停止使用，以支持JPMS支持。正确的 pom 将如下所示：

<dependency>
    <groupId>javax.xml.bind</groupId>
    <artifactId>jaxb-api</artifactId>
    <version>2.4.0</version> 
</dependency>
<dependency>
    <groupId>org.glassfish.jaxb</groupId>
    <artifactId>jaxb-runtime</artifactId>
    <version>2.4.0</version> 
</dependency>

如果您想尽早试用，可以从以下位置选择最新升级的版本：https://maven.java.net/content/groups/promoted/org/glassfish/jaxb/jaxb-runtime/


答案 2

向@Roman Grigoriadi致敬，他是对的，更新的版本修复了警告问题。2.4

只需将下面的依赖项添加到文件中pom

<dependency>
  <groupId>javax.xml.bind</groupId>
  <artifactId>jaxb-api</artifactId>
  <version>2.4.0-b180830.0359</version>
</dependency>
<dependency>
  <groupId>org.glassfish.jaxb</groupId>
  <artifactId>jaxb-runtime</artifactId>
  <version>2.4.0-b180608.0325</version>
</dependency>

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