[jira] Commented: (MWAR-260) Patch to provide new war-overlay type

["Joerg Schaible (JIRA)" <ji...@codehaus.org>]

    [ https://jira.codehaus.org/browse/MWAR-260?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=279045#comment-279045 ] 

Joerg Schaible commented on MWAR-260:
-------------------------------------

Why do you need a new packaging type? We do this since years using packaging type jar and add the war as attached artifact with classifier 'webapp'.

> Patch to provide new war-overlay type
> -------------------------------------
>
>                 Key: MWAR-260
>                 URL: https://jira.codehaus.org/browse/MWAR-260
>             Project: Maven 2.x WAR Plugin
>          Issue Type: Improvement
>          Components: overlay
>    Affects Versions: 2.1.1
>            Reporter: Alex Clarke
>
> There are a number of bugs raised around support for WAR overlays:
> MWAR-73 - war overlay mechanism does not work for classes
> MWAR-253 - Inherit dependencies from a WAR type dependency when it is overlayed.
> MWAR-194 - Warn when inconsistent jar versions are detected during overlay
> MWAR-220 - dependencyManagement && overlay + transitive dependency = multiple versions of same dependency in WEB-INF/lib
> MWAR-33 - jars with differents versions can be in WEB-INF/lib with war as dependencies
> Most of these relate to the fact that overlays are not treated as normal maven dependencies.
> The code in https://github.com/SciSysUK/maven-plugins/tree/waroverlay introduces a new packaging type of "war-overlay", that works in the following way:
>     - The primary artifact is a jar containing the classes from the overlay
>     - Another artifact is attached containing the web content
>     - A dependency on a war-overlay will automatically pull both artifacts into the packaged war
> To use the new type all you need to do is declare <extensions>true</extensions> on the maven-war-plugin. There is an integration test example here: https://github.com/SciSysUK/maven-plugins/tree/waroverlay/maven-war-plugin/src/it/war-overlay. 
> If someone could review the code I could create a patch and update the site documentation.

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