引起：com.sun.xml.bind.v2.runtime.IllegalAnnotationsException：IllegalAnnotationExceptions的1个计数 xxx.tools.newsletter.domain.NewsletterType没有no-arg默认构造函数。 此问题与以下位置有关： 在xxx.tools.newsletter.domain.NewsletterType at public xxx.tools.newsletter.domain.NewsletterType xxx.tools.newsletter.domain.Newsletter.getType（） 在xxx.tools.newsletter.domain.Newsletter at public xxx.tools.newsletter.domain.Newsletter xxx.commons.user.ws.domain.SweepstakeResponse.getReminderEmail（） 在xxx.commons.user.ws.domain.SweepstakeResponse
at com.sun.xml.bind.v2.runtime.IllegalAnnotationsException$Builder.check(IllegalAnnotationsException.java:102)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.getTypeInfoSet(JAXBContextImpl.java:472)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:302)
at com.sun.xml.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:1140)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:154)
at com.sun.xml.bind.v2.ContextFactory.createContext(ContextFactory.java:121)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:202)
at javax.xml.bind.ContextFinder.find(ContextFinder.java:363)
at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:574)
at org.jboss.resteasy.plugins.providers.jaxb.JAXBContextWrapper.<init>(JAXBContextWrapper.java:74)
at org.jboss.resteasy.plugins.providers.jaxb.JAXBContextWrapper.<init>(JAXBContextWrapper.java:99)
at org.jboss.resteasy.plugins.providers.jaxb.XmlJAXBContextFinder.createContextObject(XmlJAXBContextFinder.java:51)
at org.jboss.resteasy.plugins.providers.jaxb.AbstractJAXBContextFinder.createContext(AbstractJAXBContextFinder.java:129)
at org.jboss.resteasy.plugins.providers.jaxb.XmlJAXBContextFinder.findCachedContext(XmlJAXBContextFinder.java:42)
at org.jboss.resteasy.plugins.providers.jaxb.AbstractJAXBProvider.findJAXBContext(AbstractJAXBProvider.java:52)
at org.jboss.resteasy.plugins.providers.jaxb.AbstractJAXBProvider.getMarshaller(AbstractJAXBProvider.java:127)
答案 0 :(得分：0)
对于没有no-arg构造函数的类，可以使用XmlAdapter：