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Date: Thu, 18 Sep 2008 14:56:44 -0700 (PDT)
From: "Maarten Coene (JIRA)" <jira@apache.org>
To: notifications@ant.apache.org
Subject: [jira] Commented: (IVY-911) Resolve failed on certain proxy
 environment
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    [ https://issues.apache.org/jira/browse/IVY-911?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12632406#action_12632406 ] 

Maarten Coene commented on IVY-911:
-----------------------------------

I've committed something based on your patches on the SVN "2.0.x" branch.

You can now specify which HTTP method to use in your settings.xml:

{code:xml}
<ivysettings>
	<settings httpRequestMethod="GET" />
</ivysettings>
{code}

Could you please give it a try and post your feedback here?

> Resolve failed on certain proxy environment
> -------------------------------------------
>
>                 Key: IVY-911
>                 URL: https://issues.apache.org/jira/browse/IVY-911
>             Project: Ivy
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0-RC1, trunk
>         Environment: 2.0.0-rc1 (and tested with the latest trunk); checked using Eclipse 3.3 under Windows XP; Ant 1.7.0; jdk1.5.0_05
> access to the internet via at least 2 proxies (chained - internal and afterwards corporate proxy)
>            Reporter: rednix
>            Assignee: Maarten Coene
>         Attachments: AbstractURLHandler.Patch.for.IVY-911.txt, BasicURLHandler.Patch.for.IVY-911.txt, HttpClientHandler.Patch.for.IVY-911.txt
>
>
> In the early incubating phase the URLInfo were retrieved via a full http GET request. In the latest codebase this has been changed to a faster HEAD request to optimize performance. For most network scenarios this is no problem. But in our company we are going through at least 2 proxies to access the internet. We have no control over the settings/configurations of all of these proxies. Using a full http GET request in the getURLInfo() method the retrieve is working in this scenario without any problems; but using only a HEAD request the retrieve failed with an exception "Server access Error: Unexpected end of file from server ".
> So my suggestion is to add a configuration option to ivy which (if set) causes to fall back to the slower but working GET request in the method.
> I hope that I classified the issue correctly - for most users it might not be as important as it is for ourselves.
> The entry in ivy-user mailing list concerning this issue: http://www.nabble.com/.bundle-extension-in-ivy-retrieve...-im-so-confused-td18562574.html
> So here come my proposed patches for the involved classes (for both cases - when using the commons-httpclient or the basic handler).
> I've altered the following classes: AbstractURLHandler, BasicURLHandler, HttpClientHandler
> I've not changed the invocation/creation of the handler - it is created in URLHandlerRegistry#getHttp() via org.apache.ivy.Main#configureURLHandler(...) or org.apache.ivy.ant.IvyAntSettings#configureURLHandler(). Currently the getHttp() method takes no parameter - maybe this should be changed passing the introduced flag as an int. Or an alternative approach should be used to pass the new ivy-config parameter through to the getURLInfo() method. Hope you will manage the rest of it the way you handle such cases overall in the codebase.

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