Exception in thread "main" CvException [org.opencv.core.CvException: cv::Exception: OpenCV(3.4.1) C:\build\master_winpack-bindings-win64-vc14-static\opencv\modules\objdetect\src\cascadedetect.cpp:1472: error: (-213) HOG cascade is not supported in 3.0 in function cv::CascadeClassifierImpl::Data::read ] at org.opencv.objdetect.CascadeClassifier.CascadeClassifier_0(Native Method) at org.opencv.objdetect.CascadeClassifier.<init>(CascadeClassifier.java:37) at com.test.FaceDetector.main(FaceDetector.java:20) java学习opencv中.... 自己训练的xml出错,查了查说是3.X版本以上不支持HOG检测了(是吗?) 求助后续怎么办,是换低版本的jar,还是重新换个特征训练...... 初学者,跟着别人照葫芦画瓢来弄的,可能问题有点小白....望大佬解决