при запуске h20.init() вызвать ошибку следующим образом:
h20.init()
Checking whether there is an H2O instance running at http://localhost:54321 ..... not found. Attempting to start a local H2O server... ; Java HotSpot(TM) 64-Bit Server VM (build 13+33, mixed mode, sharing) Starting server from d:\python\lib\site-packages\h2o\backend\bin\h2o.jar Ice root: C:\Users\NIEFAN~1\AppData\Local\Temp\tmp4vq2d_7d JVM stdout: C:\Users\NIEFAN~1\AppData\Local\Temp\tmp4vq2d_7d\h2o_Niefangchao_started_from_python.out JVM stderr: C:\Users\NIEFAN~1\AppData\Local\Temp\tmp4vq2d_7d\h2o_Niefangchao_started_from_python.err Traceback (most recent call last): File "<ipython-input-2-95453bf1556d>", line 1, in <module> h2o.init() File "d:\python\lib\site-packages\h2o\h2o.py", line 278, in init bind_to_localhost=bind_to_localhost) File "d:\python\lib\site-packages\h2o\backend\server.py", line 138, in start bind_to_localhost=bind_to_localhost, log_dir=log_dir, log_level=log_level) File "d:\python\lib\site-packages\h2o\backend\server.py", line 346, in _launch_server raise H2OServerError("Server process terminated with error code %d" % proc.returncode) H2OServerError: Server process terminated with error code 1
Я нашел решение, замените JAVA10 на JAVA8