Github user mars commented on the issue:
https://github.com/apache/incubator-predictionio/pull/421
ð
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Github user takezoe commented on the issue:
https://github.com/apache/incubator-predictionio/pull/421
> I addressed all your Scala style & usage suggestions.
ð
> Still need to take care of the threadsafety issue with the singleton
client.
Yes, I'm
Github user mars commented on the issue:
https://github.com/apache/incubator-predictionio/pull/421
Based on these [Scala Concurrency/Thread Safety
docs](https://twitter.github.io/scala_school/concurrency.html#danger), I
believe simply annotating `@volatile` will cause the
