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

Java问题
2022-01-01

Proper fix for Java 10 complaining about illegal reflection access by jaxb-impl 2.3.0?(正确修复 Java 10 抱怨 jaxb-impl 2.3.0 非法反射访问?)

本文介绍了正确修复 Java 10 抱怨 jaxb-impl 2.3.0 非法反射访问?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

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

We are looking at upgrading some legacy code to Java 10. As JAXB is not visible by default ( and the proper long term solution is not to circumvent the symptom using various JVM flags, but fix it properly) I have added this snippet to my 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，在启动时仍然会向 stderr 打印警告.显然这不是正确的解决方法.

Unfortunately there is still a warning printed at startup to stderr. Apparently this is not the correct fix. 

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

--illegal-access=debug 的完整输出为:

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)

在此处使用哪些适当的依赖项来解决此问题?

What are the proper dependencies to use here to resolve this problem?

推荐答案

jaxb-ri 运行时使用ClassLoader#defineClass/Unsafe#defineClass 在运行时做一些字节码修改以优化性能.ClassLoader#defineClass 首先尝试导致警告.

jaxb-ri runtime uses ClassLoader#defineClass / Unsafe#defineClass to do some bytecode modification in runtime to optimize performance. ClassLoader#defineClass is tried first which causes the warning.

这个遗留优化在 jaxb-ri master 中被完全移除(2.3.0 之后，尚未发布).

This legacy optimization is removed completely in jaxb-ri master (after 2.3.0, not released yet).

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.

To disable this optimization for 2.3.0, set system property 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.将停止 jaxb-core 工件以支持 JPMS.正确的 pom 看起来像:

After next jaxb-ri release updating to newest version will remove the warning. jaxb-core artifact will be discontinued in favor for JPMS support. Correct pom will look like:

<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>

如果您想早点尝试，可以从以下位置选择最新的升级版本:https://maven.java.net/content/组/promoted/org/glassfish/jaxb/jaxb-runtime/

If you wish to try early, you can pick latest promoted build from: https://maven.java.net/content/groups/promoted/org/glassfish/jaxb/jaxb-runtime/

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本文标题为：正确修复 Java 10 抱怨 jaxb-impl 2.3.0 非法反射访问?

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