[jira] [Resolved] (HTTPCLIENT-1756) Response Body on response codes over 300 should not be ignored

["Oleg Kalnichevski (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oleg Kalnichevski resolved HTTPCLIENT-1756.
-------------------------------------------
    Fix Version/s: 5.3-alpha1
                       (was: Future)
       Resolution: Fixed

> Response Body on response codes over 300 should not be ignored
> --------------------------------------------------------------
>
>                 Key: HTTPCLIENT-1756
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1756
>             Project: HttpComponents HttpClient
>          Issue Type: Improvement
>          Components: HttpClient (classic)
>    Affects Versions: 4.5.2
>            Reporter: Michael Peter Gower
>            Priority: Minor
>             Fix For: 5.3-alpha1
>
>
> Hello.  This is my first time posting an issue to this project.  I've done my best to be helpful.
> Many modern RESTful APIs (e.g. Amazon Web Services) will return a generic status description (e.g. "Bad Request") and details in the body of the response on an error (e.g. code 400).  
> However the org.apache.http.client.fluent.Response.returnContent() ignores the body (content) on a return code of over or equal to 300, causing the debugging information to be lost.  This leads to generic exception messages.
> A possible solution would be to include the body in the exception string, as demonstrated in the below ResponseHandler.
> {code:java}
>     protected static class FaultTolerantContentResponseHandler
>             extends ContentResponseHandler {
>         @Override
>         public Content handleResponse(final HttpResponse response)
>                 throws HttpResponseException, IOException {
>             final StatusLine statusLine = response.getStatusLine();
>             final HttpEntity entity = response.getEntity();
>             Content content = entity == null ? null : handleEntity(entity);
>             if (statusLine.getStatusCode() >= 300) {
>                 String message = statusLine.getReasonPhrase();
>                 if (content != null) {
>                     message += ", body was " + content.asString();
>                 }
>                 throw new HttpResponseException(statusLine.getStatusCode(),
>                         message);
>             }
>             return content;
>         }
>     }
> {code}
> Alternatives would be to create a new subclass of HttpResponseException that would have an additional getErrorContent() method to preserve backwards compatibility.



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