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https://issues.apache.org/jira/browse/HTTPCORE-714?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17544042#comment-17544042
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Michael Osipov commented on HTTPCORE-714:
-----------------------------------------

Forget {{java.net.URI}}, it is broken. Your input is broken. It has to be 
URI-encoded.

> URIBuilder incorrectly parses path with special characters
> ----------------------------------------------------------
>
>                 Key: HTTPCORE-714
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-714
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>          Components: HttpCore
>    Affects Versions: 5.1.2
>            Reporter: Siqi Li
>            Priority: Minor
>
> Code sample:
> {code:java}
> public static void main(String[] args) throws Exception {
>    System.out.println(new java.net.URI("http://example.com/🙈";).getPath()); // 
> Prints /🙈
>    System.out.println(new URIBuilder("http://example.com/"; + 
> java.net.URLEncoder.encode("🙈", "UTF-8")).getPath()); // Prints /🙈
>    System.out.println(new 
> URIBuilder().setPathSegments(Collections.singletonList("🙈")).getPath()); // 
> Prints /🙈
>    System.out.println(new URIBuilder().setPath("/🙈").getPath()); // Prints /🙈
>    System.out.println(new URIBuilder("http://example.com/🙈";).getPath()); // 
> Prints /=H
> }{code}
> In the last example, URIBuilder seems to have turned "/🙈" into "/=H".



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