Github user myui commented on the issue:
https://github.com/apache/incubator-hivemall/pull/87
> Bug in 0c0e4ea caused b2f0460 to pass the test (?).
@takuti This assumption was correct.
`GeneralRegressionUDTFTest` is *illegally* passing when reverting fix in
https://github.com/apache/incubator-hivemall/commit/0c0e4ea68187fa4b672a892774caaf74d5a5e058.
Fails on `GeneralClassifierUDTFTest` is due to relaxing conversion checks.
- `this.feature = new Text(NIOUtils.getString(src));` and `-cvRate 0.005`
Both `GeneralClassifierUDTFTest` and `GeneralRegressionUDTFTest` fails.
- `this.feature = new Text(NIOUtils.getString(src));` and `-cvRate 0.001`
Both `GeneralClassifierUDTFTest` and `GeneralRegressionUDTFTest` succeeds.
- `this.feature = NIOUtils.getString(src);` and `-cvRate 0.001`
`GeneralClassifierUDTFTest` succeeds but `GeneralRegressionUDTFTest` fails.
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