[jetty-dev] [jira] (JETTY-1517) Resolve submodule artifacts in reactor builds with Maven 3

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                                    <a class=3D"user-hover" rel=3D"t.broyer=
" id=3D"email_t.broyer" href=3D"https://jira.codehaus.org/secure/ViewProfil=
e.jspa?name=3Dt.broyer" style=3D"color:#005500;">Thomas Broyer</a>
     edited a comment on <img src=3D"https://jira.codehaus.org/images/icons=
/issuetypes/improvement.png" height=3D"16" width=3D"16" border=3D"0" align=
=3D"absmiddle" alt=3D"Improvement"> <a style=3D'color:#005500;text-decorati=
on:none;' href=3D'https://jira.codehaus.org/browse/JETTY-1517'>JETTY-1517</=
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                <a style=3D'color:#005500;text-decoration:none;' href=3D'ht=
tps://jira.codehaus.org/browse/JETTY-1517'><strong>Resolve submodule artifa=
cts in reactor builds with Maven 3</strong></a>
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        <div class=3D"comment-block" style=3D"background-color:#edf5ff;bord=
er:1px solid #dddddd;color:#000000;padding:12px;"><p>Ah, note that reactor-=
resolution only works for classes and resources (<tt>project.build.outputDi=
rectory</tt>), and specifically not for web resources. Those would have to =
be computed out of the <tt>MavenProject#getProjectReferences</tt>, if at al=
l possible (the Tomcat plugin doesn't do it, see <a href=3D"https://issues.=
apache.org/jira/browse/MTOMCAT-158" class=3D"external-link">MTOMCAT-158</a>=
). A workaround would be to use <tt>mvn -pl my-webapp -am package jetty:run=
</tt> but then <tt>Artifact#getFile</tt> would return the packaged JAR for =
the dependencies, defeating the purpose of launching <tt>jetty:run</tt> in =
a reactor build (which is to use the <tt>build.outputDirectory</tt> directl=
y, so the webapp can be restarted easily while your IDE compiles the classe=
s there on-the-fly, and without the need to package the dependencies). Mayb=
e for overlays support, the plugin could require that <tt>prepare-package</=
tt> or <tt>war:exploded</tt> by run previously on the WAR dependencies, and=
 then look at the output for these (<tt>&lt;project.build.directory&gt;/&lt=
;project.build.finalName&gt;</tt>) out of the <tt>getProjectReferences</tt>=
.</p>

<p>See also <a href=3D"https://jira.codehaus.org/browse/MNG-5214" title=3D"=
Dependency resolution substitutes g:a:v:jar for j:a:v:something-else when s=
omething-else isn&#39;t in the reactor"><del>MNG-5214</del></a>: for now (p=
ending Maven 3.1.0), Maven will give you the <tt>build.outputDirectory</tt>=
 for a dependency with type <tt>war</tt>; after the fix, <tt>Artifact#getFi=
le()</tt> will instead return null.</p></div>
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