Github user HyukjinKwon commented on the issue:
https://github.com/apache/spark/pull/15697
For the specific failure here, it was due to not syncing the latest version
between the releases for Winodws and the others (when R 3.3.2 was released). As
we use a fixed version, R 3.3.1 now (not the latest but old one), we wouldn't
meet the same case for the same reason in the future (I described this problem
in more details in https://github.com/apache/spark/pull/15709).
However, I guess you meant the concern of re-triggering the spurious
failures in general. For re-triggering tests, I am still looking into this
deeper. Will make a INFRA JIRA as soon as I figure out the way committers can
re-trigger. Current ways I have figured out so far as a (ugly) workaround are,
- Use another AppVeyor account
- Closing and then re-opening to launch another build.
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