Github user mars commented on the issue: https://github.com/apache/incubator-predictionio/pull/401 Back in May, we fixed an intermittent class loading problem by [making a change to stabilize the classpath](https://github.com/mars/incubator-predictionio/commit/9ecc77628aba347454073e9919096a8fc8e0b952) in our fork of incubator-predictionio. Would you be open to adding that to this PR as well?
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