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When I am running AUTO ML through H20 GUI getting below in user feedback and no GBM/Deep learning model got created in leaderboard. pls suggest why GBM and deeplearning failed.

24 16:18:30.768 Info ModelTraining GBM 2 failed: java.lang.IllegalArgumentException: class_sampling_factors must have 2 elements 25 16:18:30.768 Info ModelTraining GBM 3 started 26 16:18:31.768 Info ModelTraining GBM 3 failed: java.lang.IllegalArgumentException: class_sampling_factors must have 2 elements 32 16:18:34.795 Info ModelTraining Default Deep Learning build failed: java.lang.IllegalArgumentException: class_sampling_factors must have 2 elements

Also when i am trying to run automl code in python then its randomly giving below error when I am trying to convert some int fields into factor. What does this error suggests.

H2OServerError: HTTP 500 Server Error: Server error water.util.DistributedException: Error: DistributedException from /127.0.0.1:54321: '-1' Request: None

Sarvendra Singh
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According to the error message it looks like you incorrectly used the argument class_sampling_factors. As the message says you can only provide 2 elements. I would recommend reviewing the documentation on this parameter here

In the future it would help if you provided a reproducible code snippet so we can reproduce the error.

Lauren
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  • Thanks Lauren..Actually this error i ma getting when i am running through h20 GUI interface...I gave class_sampling_factors parameter value as 1., 0.5, 1. but getting same error. Pls suggest what should be the corrrect value for this parameter. When I am tring to run auml code through python spyder interface getting error (H2OServerError: HTTP 500 Server Error:Server error java.lang.NullPointerException: None and H2OServerError: HTTP 500 Server Error: Server error water.util.DistributedException: Error: DistributedException from /127.0.0.1:54321: ' – Sarvendra Singh Jan 28 '19 at 06:56
  • @Lauren- Please suggest – Sarvendra Singh Jan 30 '19 at 08:48
  • @SarvendraSingh are you no longer hitting an issue with your original question? can you post what version of H2O-3 you are using? For spyder since this is a separate question please post it as a new question - and provide enough information to reproduce the issue. Thanks! – Lauren Jan 30 '19 at 21:41
  • I am using h20 version 3.22.1.2..I am using h20 GUI UI flow..So my query is what should be sample value we need to give for class_sampling_factors parameter.. Thanks. – Sarvendra Singh Mar 13 '19 at 10:22