[英]Send a HashMap using Jersey for REST web service
我正在将Jersey用于REST Web服务。 我想将HashMap发送到服务器,但是有问题。 如果我将方法的参数更改为String,则此代码可以正常工作,但是使用HashMap时,它将不起作用:
ClientConfig config = new DefaultClientConfig();
config.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
Client client = Client.create(config);
URI uri = UriBuilder.fromUri("http://localhost:8081/serviceProxy_socle-01.00.00-SNAPSHOT/services/tableauDeBord/subventions").build();
System.out.println(uri.toString());
WebResource service = client.resource(uri);
GenericType<TableauDeBordImpl<CoupsDPouceImpl>> informationsDossier = new GenericType<TableauDeBordImpl<CoupsDPouceImpl>>(){};
HashMap<String, Object> params = new HashMap<String, Object>();
params.put("rne", "0240984P");
TableauDeBordImpl<CoupsDPouceImpl> content = service
.accept(MediaType.APPLICATION_JSON)
.entity(params, MediaType.APPLICATION_XML)
.type(MediaType.APPLICATION_XML).post(informationsDossier);
这是Stacktrace:
Exception in thread "main" com.sun.jersey.api.client.ClientHandlerException: com.sun.jersey.api.client.ClientHandlerException: A message body writer for Java type, class java.util.HashMap, and MIME media type, application/xml, was not found
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:148)
at com.sun.jersey.api.client.Client.handle(Client.java:642)
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:613)
at com.sun.jersey.api.client.WebResource.access$300(WebResource.java:74)
at com.sun.jersey.api.client.WebResource$Builder.post(WebResource.java:503)
at fr.liberaccess.pool.tester.Tester.testCoupsDpouce(Tester.java:63)
at fr.liberaccess.pool.tester.Tester.<init>(Tester.java:39)
at fr.liberaccess.pool.tester.Tester.main(Tester.java:188)
Caused by: com.sun.jersey.api.client.ClientHandlerException: A message body writer for Java type, class java.util.HashMap, and MIME media type, application/xml, was not found
at com.sun.jersey.api.client.RequestWriter.writeRequestEntity(RequestWriter.java:299)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler._invoke(URLConnectionClientHandler.java:203)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:146)
... 7 more
您需要创建一个MessageBodyWriter并将该类注释为Provider。
您还需要告知泽西岛有关新提供者的信息。
从用户指南。
ClientConfig cc = new DefaultClientConfig();
cc.getClasses().add(PlanetJAXBContextProvider.class);
Client c = Client.create(cc);
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