问题描述
根据，JAXB Spec要求使用 @XmlID 注释的元素为 String 。 MOXy未在 2.5.x 版本中强制执行此操作。
但是，对于版本 2.6.0 ，它似乎不再受支持了。
According to https://gist.github.com/VineetReynolds/5108580, JAXB Spec requires element annotated with @XmlID to be a String. This hasn't been enforced by MOXy in versions 2.5.x.
With version 2.6.0, however, it seems it's not supported anymore.
[Exception [EclipseLink-50016] (Eclipse Persistence Services - 2.6.0.v20150309-bf26070): org.eclipse.persistence.exceptions.JAXBException
Exception Description: Property [id] has an XmlID annotation but its type is not String.]**strong text**
这是一个想要的行为，还是一个不希望的回归？
Is this a wanted behavior, or an unwanted regression?
从MOXy 2.5.x 迁移时避免此类错误的正确方法是什么？
是否使用 @XmlJavaTypeAdapter ，如本文所述，这也影响对象本身（及其ID）序列化为JSON的方式（例如，类型为 long的id字段成为json字符串？
What is the right way to avoid such error when migrating from MOXy 2.5.x?
Is it to use @XmlJavaTypeAdapter as described in this post Marshaling a long primitive type using JAXB, which also affects the way how the object itself (and its ID) gets serialized to JSON (e.g., id field of type Long becomes a json string?
推荐答案
是的，它是stil我支持。在2.6.0中，默认情况下不支持，但必须通过 @XmlIDExtension 注释启用。
Yes, it is still supported. In 2.6.0 it is not supported by default, but must be enabled via @XmlIDExtension annotation.
只需使用 @XmlIDExtension 注释给定字段。也可以指定系统属性 org.eclipse.persistence.moxy.annotation.xml-id-extension 以全局覆盖默认行为。
Just annotate given field with @XmlIDExtension. It is also possible to specify system property org.eclipse.persistence.moxy.annotation.xml-id-extension to override default behavior globally.
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