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*) Probably you need to remove the branch (locally and remotely):
git push apache --delete releasesdelete apache releases/X.Y.Z-incubating-RC0
git branch -D releases/X.Y.Z-incubating-RC0
...
(to see available tags locally) git tag -l
git tag -d Xd vX.Y.Z-incubating-RC0
git push --delete apache vX.Y.Z-incubating(the previous step's commands should also remove the remote tags)
*) Remove the directory ~/.m2/repository/org/apache/samoa, for the new artifacts to be placed again.
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