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Date: Sat, 3 Apr 2010 18:25:27 +0000 (UTC)
From: "Oleg Kalnichevski (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Subject: [jira] Resolved: (HTTPCLIENT-929) Request with two forward slashes
 for path fails
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     [ https://issues.apache.org/jira/browse/HTTPCLIENT-929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Oleg Kalnichevski resolved HTTPCLIENT-929.
------------------------------------------

    Resolution: Fixed

Fixed in SVN trunk

http://svn.apache.org/viewvc?rev=930558&view=rev

I looked at #relativize method but felt it was an overkill. I opted for a simpler and likely faster custom routine. Please review.

Oleg

> Request with two forward slashes for path fails
> -----------------------------------------------
>
>                 Key: HTTPCLIENT-929
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-929
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient
>    Affects Versions: 4.0.1
>            Reporter: Ryan Stewart
>             Fix For: 4.1 Alpha2
>
>
> The following code demonstrates the problem:
>         DefaultHttpClient client = new DefaultHttpClient();
>         client.execute(new HttpGet("http://www.google.com//"));
> When a request is made, the DefaultRequestDirector invokes rewriteRequestURI(). I don't fully understand why this method does what it does. For a non-proxied request, it attempts to render the URI to a relative URI. In doing so, it tries to create a relative URI whose content is "//". Per RFC 2396 section 5 (Relative URI References), a relative URI that begins with "//" is a network-path reference, and the "//" must be immediately followed by an authority. Therefore, while "http://www.google.com//" is a valid absolute URI, "//" is not a valid relative one. The resulting exception:
> [...]
> Caused by: org.apache.http.ProtocolException: Invalid URI: http://www.google.com//
> 	at org.apache.http.impl.client.DefaultRequestDirector.rewriteRequestURI(DefaultRequestDirector.java:339)
> 	at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:434)
> 	at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:641)
> 	... 31 more
> Caused by: java.net.URISyntaxException: Expected authority at index 2: //
> 	at java.net.URI$Parser.fail(URI.java:2809)
> 	at java.net.URI$Parser.failExpecting(URI.java:2815)
> 	at java.net.URI$Parser.parseHierarchical(URI.java:3063)
> 	at java.net.URI$Parser.parse(URI.java:3024)
> 	at java.net.URI.<init>(URI.java:578)
> 	at org.apache.http.client.utils.URIUtils.createURI(URIUtils.java:106)
> 	at org.apache.http.client.utils.URIUtils.rewriteURI(URIUtils.java:141)
> 	at org.apache.http.client.utils.URIUtils.rewriteURI(URIUtils.java:159)
> 	at org.apache.http.impl.client.DefaultRequestDirector.rewriteRequestURI(DefaultRequestDirector.java:333)
> 	... 33 more

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