Github user srowen commented on the pull request:
https://github.com/apache/spark/pull/9026#issuecomment-147607515
This looks reasonable but as in SPARK-9776 should there ever be two
HiveContexts open, or is this triggered without that? is it a problem that
there are two database instances then? that is, the problem seems legitimate if
the metastore DB has already been initialized but something else is doing it
again.
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