Github user echarles commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/930
@bzz Just commented on ZEPPELIN-902 - My concern was on my local build, not
on Travis stability.
As mentionned onthe JIRA, the target `target` folder is not present after a
clean, because the download-pyspark-files is binded to the `validate` phase.
I guess using ${basedir} could do the job, but then we are not 100% safe
because building in the spark-dependencies folder would put the spark-dist at a
different location...
Maybe ${session.executionRootDirectory} ? (see
http://stackoverflow.com/questions/3084629/finding-the-root-directory-of-a-multi-module-maven-reactor-project).
Another approach would be to bind to the `compile` phase, but I guess it
will have side-effects.
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