A maven project which have a parent SNAPSHOT cannot be resolved when :
a) the Parent SNAPSHOT pom is not present in the local maven repository
b) the Parent SNAPSHOT pom is deployed in a Nexus repository by another
developer.
c) settings.xml has a mirror redirecting all (*) to Nexus
d) there is no <repository> entry in the settings.xml file as Nexus is used
for all resolutions.
Easy to reproduce on Maven 2.2.1, 3.0.4 and probably earlier releases.
- If the SNAPSHOT parent is instead used as a dependency of the project then
maven can resolve the dependency and retrieve it from Nexus.
Work around:
If you add a dumb repo entry in the settings.xml file, then it works.
Exemple of such entry is a fake repository and it does not even have to be a
snapshot repo...
settings.xml
[...]
<repositories>
<repository>
<id>foo</id>
<url>http://foo</url>
</repository>
</repositories>
[...]
simplest work around.
But to MHO, there is a bug in the Maven code when doing parent snapshot
resolution. If the parent snapshot is not present in the local repo AND
there is no <repository> entry in the settings.xml file, it simply fails. It
does not try the mirror.
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