Github user zentol commented on the issue:
https://github.com/apache/flink/pull/4461
I tried upgrading the plugin, but then more violations were detected
causing the build to fail. I didn't have the time to properly investigate
whether it makes sense to upgrade the plugin now or not.
The nice thing is that if we ever decide to upgrade it later on we only
have to remove the profile that i add, the travis scripts will work as is.
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