[英]no suitable HttpMessageConverter found for response type and content type
I was trying to get the ResponseEntity with spring rest template as given below. 我试图获得带有Spring rest模板的ResponseEntity,如下所示。 I am getting the below error,
我收到以下错误,
Caused by: org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [interface org.springframework.security.oauth2.common.OAuth2AccessToken] and content type [application/json;charset=ISO-8859-1]
Code: 码:
ResourceOwnerPasswordResourceDetails resource = new ResourceOwnerPasswordResourceDetails();
resource.setAccessTokenUri("https://.../oauth2/token");
resource.setUsername("u");
resource.setPassword("p");
resource.setClientSecret(".....s");
resource.setClientId("....i");
resource.setGrantType("password");
List<String> scopes = new ArrayList<String>(2);
scopes.add("write");
scopes.add("read");
resource.setScope(scopes);
OAuth2RestTemplate oAuthRestTemplate = new OAuth2RestTemplate(resource);
try{
SSLUtil.turnOffSslChecking();
ResponseEntity<String> result = oAuthRestTemplate.getForEntity("https:......." + "/api/version", String.class);
System.out.println(result);
} catch (RestClientException e) {
e.printStackTrace();
}
I tried setting Media type as Application/json as in this post.But still the same error. 我在这篇文章中尝试将媒体类型设置为Application / json。但是仍然是相同的错误。
Full trace: 完整跟踪:
Exception in thread "main" error="access_denied", error_description="Error requesting access token."
at org.springframework.security.oauth2.client.token.OAuth2AccessTokenSupport.retrieveToken(OAuth2AccessTokenSupport.java:121)
at org.springframework.security.oauth2.client.token.grant.password.ResourceOwnerPasswordAccessTokenProvider.obtainAccessToken(ResourceOwnerPasswordAccessTokenProvider.java:47)
at org.springframework.security.oauth2.client.token.AccessTokenProviderChain.obtainNewAccessTokenInternal(AccessTokenProviderChain.java:142)
at org.springframework.security.oauth2.client.token.AccessTokenProviderChain.obtainAccessToken(AccessTokenProviderChain.java:118)
at org.springframework.security.oauth2.client.OAuth2RestTemplate.acquireAccessToken(OAuth2RestTemplate.java:216)
at org.springframework.security.oauth2.client.OAuth2RestTemplate.getAccessToken(OAuth2RestTemplate.java:168)
at org.springframework.security.oauth2.client.OAuth2RestTemplate.createRequest(OAuth2RestTemplate.java:89)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:479)
at org.springframework.security.oauth2.client.OAuth2RestTemplate.doExecute(OAuth2RestTemplate.java:123)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:446)
at org.springframework.web.client.RestTemplate.getForEntity(RestTemplate.java:236)
at com.ClientTemplate.main(ClientTemplate.java:56)
Caused by: org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [interface org.springframework.security.oauth2.common.OAuth2AccessToken] and content type [application/json;charset=ISO-8859-1]
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:107)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:491)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:454)
at org.springframework.security.oauth2.client.token.OAuth2AccessTokenSupport.retrieveToken(OAuth2AccessTokenSupport.java:113)
... 11 more
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