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From "Benjamin Bentmann (JIRA)" <>
Subject [jira] Closed: (MNG-4690) Transitive dependency lost when included another dependency
Date Tue, 24 Aug 2010 23:24:33 GMT


Benjamin Bentmann closed MNG-4690.

       Resolution: Fixed
    Fix Version/s: 3.0-beta-3
         Assignee: Benjamin Bentmann

Fixed by [r988749|].

> Transitive dependency lost when included another dependency
> -----------------------------------------------------------
>                 Key: MNG-4690
>                 URL:
>             Project: Maven 2 & 3
>          Issue Type: Bug
>          Components: Dependencies
>         Environment: maven 2.0.10 (tried with dependency plugin 2.0 and 2.1)
>            Reporter: Michal Ropka
>            Assignee: Benjamin Bentmann
>             Fix For: 3.0-beta-3
>         Attachments:,
> *We added a new dependency (_velocity-tools_) and the project didn't work any more. We've
found that one transitive library (_antlr_ used by _struts_ and _hibernate_) is missing in
the installed WAR file.*
> It looks like the _antlr_ transitive dependency is ignored from _hibernate_ dependencies
by plugin choosing _struts-1.2.9_ one while eventually _struts_ is replaced by _1.2.7_ version
which does not have _antlr_ dependency.
> There is a workaround to the problem - dependencies might be rearranged to include the
missing library back (e.g. by moving _struts-1.2.7_ from _parent_ to _ui_ but only before
_velocity-tools_ - see the test case) however the problem is that the plugin behavior is unpredictable.
> *Test case:*
> There are root, parent, common, model, ui POM files. The purpose is to create dependency
tree deep enough (_ui_ depends on _model_ and inherits from _parent_, _model_ depends on _common_).
They include external dependencies (_velocity-tools_, _struts_, _hibernate_).
> * WAR artifact created from the root or _ui_ POM does not contain _antlr_ in WEB-INF/lib
which is required by _hibernate_
> * after removing _velocity-tools_ from ui/pom.xml _antlr_ library is included properly

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