Re: Spark ML - Java implementation of custom Transformer

2016-07-02 Thread Yanbo Liang
Hi Mehdi, Could you share your code and then we can help you to figure out the problem? Actually JavaTestParams can work well but there is some compatibility issue for JavaDeveloperApiExample. We have removed JavaDeveloperApiExample temporary at Spark 2.0 in order to not confuse users. Since the

Spark ML - Java implementation of custom Transformer

2016-06-27 Thread Mehdi Meziane
Hi all, We have some problems while implementing custom Transformers in JAVA (SPARK 1.6.1). We do override the method copy, but it crashes with an AbstractMethodError. If we extends the UnaryTransformer, and do not override the copy method, it works without any error. We tried to