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From "Jim Adams (JIRA)" <j...@apache.org>
Subject [jira] Commented: (IVY-1105) Excessive hits to missing URLs uses up all ports on Windows
Date Mon, 27 Jul 2009 19:57:14 GMT

    [ https://issues.apache.org/jira/browse/IVY-1105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12735743#action_12735743
] 

Jim Adams commented on IVY-1105:
--------------------------------

I think some of the initial wording is a little odd. The idea that this is a DOS attack against
the server is not right. In actuality it seems like a client performing a DOS attack on itself.
In any case I think that portion of the wording is not right. The client is unusable until
the socket times out.

> Excessive hits to missing URLs uses up all ports on Windows
> -----------------------------------------------------------
>
>                 Key: IVY-1105
>                 URL: https://issues.apache.org/jira/browse/IVY-1105
>             Project: Ivy
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.0
>         Environment: windows xp sp3, running Ivy repository through http for remote resolving

>            Reporter: Ernest Pasour
>            Assignee: Maarten Coene
>             Fix For: 2.0-RC1
>
>
> Ivy is extremely aggressive towards repositories . This can result in  
> resolving fails, even towards a healthy repository. 
> The symptom:
> [ivy:resolve] 01-07-2008 13:16:24
> org.apache.commons.httpclient.HttpMethodDirector executeWithRetry
> [ivy:resolve] INFO: I/O exception (java.net.BindException) caught when
> processing request: Address already in use: connect.
> In effect this happens when Ivy has performed a successfully DOS attack against the repository.

> This is especially a problem when having large repositories (lost of revisions) and resolve
against latest.status -> as this will fetch ivy.xml md5 and sha1 files for every revision.

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