JDK8中webservice特别注意的细节_JAVA_编程开发_程序员俱乐部

??【问题现象】使用JDK8或者少部分JDK7跑cxf项目时报此错误:

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class="java">Caused by: com.sun.xml.bind.v2.runtime.IllegalAnnotationsException: 2 counts of IllegalAnnotationExceptions
java.util.Map is an interface, and JAXB can't handle interfaces.
	this problem is related to the following location:
		at java.util.Map
		at private java.util.Map com.pn.common.webservice.api.jaxws_asm.GetActivityEgameRebateConfigListTotal.arg0
		at com.pn.common.webservice.api.jaxws_asm.GetActivityEgameRebateConfigListTotal
java.util.Map does not have a no-arg default constructor.
	this problem is related to the following location:
		at java.util.Map
		at private java.util.Map com.pn.common.webservice.api.jaxws_asm.GetActivityEgameRebateConfigListTotal.arg0
		at com.pn.common.webservice.api.jaxws_asm.GetActivityEgameRebateConfigListTotal

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【问题分析】

有的jdk版本中webService复杂类型值传递时，返回值的类型使用Map等接口如果不加特殊处理，则会报此错误。

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【解决方案】未防止以后运维升级jdk版本或者开发升级jdk版本出现报错的现象，应将所有webservice接口api的方法Map参数或返回值前加上：

@XmlJavaTypeAdapter(MapAdapter.class

)

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