[Breaking][jvm-packages] make classification model be xgboost-compatible #7896
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@trivialfis, Could you help to review? |
hcho3
approved these changes
May 14, 2022
trivialfis
approved these changes
May 14, 2022
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To fix #7895.
It's a breaking issue. The trained xgboost classification model in 2.0.0 can't be loaded by the previous xgboost version, but xgboost 2.0.0 still can load the previous model.