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POspring RestTemplate no Content-Type
 

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    <p>I used spring-android to connect to a server to get json and map it to an object class:</p> <p>jars:</p> <pre><code>jackson-core-asl-1.9.2.jar jackson-mapper-asl-1.9.2.jar spring-android-auth-1.0.0.M4.jar spring-android-core-1.0.0.M4.jar spring-android-rest-template-1.0.0.M4.jar </code></pre> <p>source:</p> <pre><code>RestTemplate restTemplate = new RestTemplate(/* clientHttpRequestFactory */); ClientHttpRequestFactory clientHttpRequestFactory = new SimpleClientHttpRequestFactory(); restTemplate.setRequestFactory(clientHttpRequestFactory); MappingJacksonHttpMessageConverter httpMessageConverter = new MappingJacksonHttpMessageConverter(); List&lt;MediaType&gt; supportedMediaTypes = new ArrayList&lt;MediaType&gt;(); supportedMediaTypes.add(new MediaType("application", "json")); httpMessageConverter.setSupportedMediaTypes(supportedMediaTypes); List&lt;HttpMessageConverter&lt;?&gt;&gt; httpMessageConverters = restTemplate .getMessageConverters(); httpMessageConverters.add(httpMessageConverter); restTemplate.setMessageConverters(httpMessageConverters); MultiValueMap&lt;String, Object&gt; map = new LinkedMultiValueMap&lt;String, Object&gt;(); map.add("param1", "param1"); map.add("param2", "2"); T t = restTemplate.postForObject(url, map, T.class); </code></pre> <p>The result from the server is a json string like:</p> <pre><code>{"aaa":"111", "bbb":"222"} </code></pre> <p>The result is:</p> <pre><code>Caused by: org.springframework.web.client.RestClientException: Cannot extract response: no Content-Type found at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:60) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:470) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:425) at org.springframework.web.client.RestTemplate.postForObject(RestTemplate.java:303) </code></pre> <p>There must be no <code>Content-Type</code> in the response headers. How can I make <code>RestTemplate</code> not care about <code>Content-Type</code>?</p>
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