[jira] [Closed] (HTTPCLIENT-2266) UTF-8 chars unsupported in query params

["Michael Osipov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-2266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Osipov closed HTTPCLIENT-2266.
--------------------------------------
    Resolution: Invalid

> UTF-8 chars unsupported in query params
> ---------------------------------------
>
>                 Key: HTTPCLIENT-2266
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2266
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (classic)
>    Affects Versions: 5.2.1
>            Reporter: Karl-Johan Karlberg
>            Priority: Major
>
> Trying to upgrade from HttpClient 4.5.13 to HttpClient 5.2.1 we have ONE test failing in a scary way.
> The test spins up a httpserver and we use httpclient to do a simple query with "scary Swedish chars in the query".
> Here is the call that works with httpclient 4.5.x and fails with httpclient 5.2.1
> {code:java}
> try (CloseableHttpClient client = HttpClientBuilder.create().build()) {
>     URI uri = new URI("http://localhost:4711/v1/discovery/services?serviceName=Fräs");
>     String s = client.execute(new HttpGet(uri), new HttpClientResponseHandler<String>() {
>         @Override
>         public String handleResponse(ClassicHttpResponse response) throws HttpException, IOException {
>             return EntityUtils.toString(response.getEntity(), "UTF-8");
>         }
>     });
>     System.out.println(s);
> } catch (IOException e) {
>     throw new RuntimeException(e);
> } {code}
>  
> This code results in printout of (and of cause http status 400):
> {code:java}
> <h1>Bad Message 400</h1><pre>reason: Bad Request</pre> {code}
> HttpClient 4.5 prints "whatever the server responded and whatever statuscode". If you give a dummy non existent path a 404 is retuned. But as soon as we switch back to 5.2.1 it responds 400 (without exception and the evil text "reason: Bad Request")
> Debugging though the inner workings of httpclient renders nothing out of the ordinary and if we URLEncode the "nasty" chars it works. 
>  
> I.e. it works when request uri is done like:
> {code:java}
> URI uri = new URI("http://localhost:9112/v1/discovery/services?"+ URLEncoder.encode("Fräs", "UTF-8"));{code}
>  
>  



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