无法将类型“[B”编组为元素，因为它缺少 @XmlRootElement 注释

Question

我试图在转换为 UTF-16 编码格式并发送到 put 端点后发送 xml 数据，但看到以下异常。

Caused by: com.sun.istack.SAXException2: unable to marshal type "[B" as an element because it is missing an @XmlRootElement annotation
    at com.sun.xml.bind.v2.runtime.XMLSerializer.reportError(XMLSerializer.java:249)
    at com.sun.xml.bind.v2.runtime.LeafBeanInfoImpl.serializeRoot(LeafBeanInfoImpl.java:142)
    at com.sun.xml.bind.v2.runtime.XMLSerializer.childAsRoot(XMLSerializer.java:494)
    at com.sun.xml.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:328)
    ... 99 more

我使用放心作为客户。

有人可以帮我...