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http://jira.codehaus.org/browse/MNG-4690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=230583#action_230583
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Michal Ropka commented on MNG-4690:
-----------------------------------
More details:
Dependencies in the files look like:
{noformat}
parent/pom.xml
lib1:1
common/pom.xml
lib2:1
antlr:antlr:2.7.6
model/pom.xml
common
ui/pom.xml (parent/pom.xml as parent)
model
lib3:1
lib1:2
antlr:antlr:2.7.2
top/pom.xml
common
model
ui
{noformat}
While dependency tree in _ui_
{noformat}
[INFO] ------------------------------------
[INFO] [dependency:tree]
[INFO] test:ui:war:1
[INFO] +- test:model:jar:1:compile
[INFO] | \- test:common:jar:1:compile
[INFO] | \- test.lib:lib2:jar:1:compile
[INFO] +- test.lib:lib3:jar:1:compile
[INFO] \- test.lib:lib1:jar:1:compile
[INFO] ------------------------------------
{noformat}
so _lib2_ even when requires _anrlr_ does not have it. I believe it is due to
some problem when resolving dependencies for _lib1_.
> Transitive dependency lost when included another dependency
> -----------------------------------------------------------
>
> Key: MNG-4690
> URL: http://jira.codehaus.org/browse/MNG-4690
> 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
> Attachments: test.zip, test2.zip
>
>
> *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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