jersey client返回list_com.sun.istack.saxparseexception2; linenumber: 1; -优快云博客

本文链接：https://blog.youkuaiyun.com/wangyunyun00/article/details/48787933

本文解决了一个在使用Jersey客户端时遇到的WebApplicationException和XML解析错误问题，通过配置ClientConfig来启用JSON映射功能解决了XML解析失败的问题。

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bug：

Exception in thread "main"javax.ws.rs.WebApplicationException:javax.xml.bind.UnmarshalException

- with linked exception:

[com.sun.istack.SAXParseException2; lineNumber: 1; columnNumber: 9; unexpected element (uri:"", local:"id"). Expected elements are <{}app>]

at com.sun.jersey.core.provider.jaxb.AbstractListElementProvider.readFrom(AbstractListElementProvider.java:355)

at com.sun.jersey.api.client.ClientResponse.getEntity(ClientResponse.java:634)

at com.sun.jersey.api.client.ClientResponse.getEntity(ClientResponse.java:604)

at com.sun.jersey.api.client.WebResource.handle(WebResource.java:698)

at com.sun.jersey.api.client.WebResource.access$300(WebResource.java:74)

at com.sun.jersey.api.client.WebResource$Builder.get(WebResource.java:514)

at com.free4lab.search.jersey.client.UserClient.getAppsByUID(UserClient.java:46)

at com.free4lab.search.jersey.client.UserClient.main(UserClient.java:53)

Caused by:javax.xml.bind.UnmarshalException

- with linked exception:

[com.sun.istack.SAXParseException2; lineNumber: 1; columnNumber: 9; unexpected element (uri:"", local:"id"). Expected elements are <{}app>]

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.handleStreamException(UnmarshallerImpl.java:431)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:368)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:338)

at com.sun.jersey.core.provider.jaxb.AbstractListElementProvider.readFrom(AbstractListElementProvider.java:336)

... 7 more

Caused by: com.sun.istack.SAXParseException2; lineNumber: 1; columnNumber: 9; unexpected element (uri:"", local:"id"). Expected elements are <{}app>

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.handleEvent(UnmarshallingContext.java:647)

at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:258)

at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportError(Loader.java:253)

at com.sun.xml.bind.v2.runtime.unmarshaller.Loader.reportUnexpectedChildElement(Loader.java:120)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext$DefaultRootLoader.childElement(UnmarshallingContext.java:1052)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext._startElement(UnmarshallingContext.java:483)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext.startElement(UnmarshallingContext.java:464)

at com.sun.xml.bind.v2.runtime.unmarshaller.InterningXmlVisitor.startElement(InterningXmlVisitor.java:75)

at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.handleStartElement(StAXStreamConnector.java:247)

at com.sun.xml.bind.v2.runtime.unmarshaller.StAXStreamConnector.bridge(StAXStreamConnector.java:181)

at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:366)

... 9 more

Caused by:javax.xml.bind.UnmarshalException: unexpected element (uri:"", local:"id"). Expected elements are <{}app>

... 20 more

解决：

创建 jersey client添加配置：

	ClientConfig cc = new DefaultClientConfig();
		cc.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
		Client c = Client.create(cc);

解决！