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Date: Wed, 22 Sep 2010 18:44:32 -0400 (EDT)
From: "Archie Cobbs (JIRA)" <jira@apache.org>
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Subject: [jira] Commented: (IVY-1231) Ivy reports a bogus unresolved
 dependency
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    [ https://issues.apache.org/jira/browse/IVY-1231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913828#action_12913828 ] 

Archie Cobbs commented on IVY-1231:
-----------------------------------

Thank you, now I understand. Sorry for the noise.

But am I the only one who thinks this behavior is insane? :-)

In other words:
#  Dependency #1 says "use anything later than 1.3.1".
# Dependency #2 says "use 2.1.17".
# So ivy's answer is... 5.0.4 ??

This to me makes absolutely no sense as the _default_ behavior of ivy. It violates the [POLA|http://en.wikipedia.org/wiki/Principle_of_least_astonishment] (principle of least astonishment) in a big way.

First of all, where is the "conflict" ?... 2.1.7 is certainly greater than 1.3.1. But I see now ivy defines a conflict as any time there are two dependencies on the same module. OK, whatever.

I guess all of this can be summed up as: latest-compatible should be the default conflict manager for ivy, not latest-revision. And if that's not possible, then there should be a way to change the default conflict manager globally.. I don't see how so far from reading the docs, it just says "The current default conflict manager is the 'latest-revision' conflict manager."


> Ivy reports a bogus unresolved dependency
> -----------------------------------------
>
>                 Key: IVY-1231
>                 URL: https://issues.apache.org/jira/browse/IVY-1231
>             Project: Ivy
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.2.0-RC1
>         Environment: openSUSE 11.3, ant 1.7.1
>            Reporter: Archie Cobbs
>         Attachments: ivybug.zip
>
>
> Ivy is complaining about an unresolved dependency which does not exist:
> {noformat}
> [ivy:resolve] 		::::::::::::::::::::::::::::::::::::::::::::::
> [ivy:resolve] 		::          UNRESOLVED DEPENDENCIES         ::
> [ivy:resolve] 		::::::::::::::::::::::::::::::::::::::::::::::
> [ivy:resolve] 		:: net.sourceforge.itext#itext;5.0.4: configuration not found in net.sourceforge.itext#itext;5.0.4: 'rtf'.
>                                     It was required from org.jaspersoft#jasperreports;3.5.3 core
> [ivy:resolve] 		::::::::::::::::::::::::::::::::::::::::::::::
> {noformat}
> There is no dependency on the "rtf" configuration in jasperreports 3.5.3 (view it's ivy.xml file [here|http://ivyroundup.googlecode.com/svn/!svn/bc/1331/trunk/repo/modules/org.jaspersoft/jasperreports/3.5.3/ivy.xml]). In fact, there is no dependency on any "rtf" configuration by any module in the whole repository.
> To reproduce this bug:
> # Unpack the attached ZIP file to get IVYBUG directory
> # Copy {{ivy-2.2.0-rc1.jar}} into the IVYBUG directory
> # From within IVYBUG, run {{ant}}

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