Hi Xi Shen

Not yet.  For the moment my idk for spark is still V7. Thanks for your reminding, I will try it out by upgrading java.

发件人: Xi Shen <davidshen84@gmail.com>
日期: 2016年10月17日 星期一 下午8:00
至: zhangjianxin <zhangjianxin@didichuxing.com>, "user@spark.apache.org" <user@spark.apache.org>
主题: Re: Did anybody come across this random-forest issue with spark 2.0.1.

Did you also upgrade to Java from v7 to v8?

On Mon, Oct 17, 2016 at 7:19 PM 张建鑫(市场部) <zhangjianxin@didichuxing.com> wrote:

Did anybody encounter this problem before and why it happens , how to solve it?  The same training data and same source code work in 1.6.1, however become lousy in 2.0.1 

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Thanks,
David S.