I see this stack trace when I try to submit an agent that worked previously:
2019-05-24T17:42:52.825782788Z root 2019-05-24T17:43:05.17870298Z INFO:mlagents_envs:Start training by pressing the Play button in the Unity Editor. 2019-05-24T17:43:35.184856349Z Traceback (most recent call last): 2019-05-24T17:43:35.184901058Z File "run.py", line 56, in <module> 2019-05-24T17:43:35.184908019Z env = create_single_env(args.environment_filename, docker_training=args.docker_training) 2019-05-24T17:43:35.184929282Z File "/home/aicrowd/util.py", line 16, in create_single_env 2019-05-24T17:43:35.184932961Z env = ObstacleTowerEnv(path, **kwargs) 2019-05-24T17:43:35.184935919Z File "/srv/conda/lib/python3.6/site-packages/obstacle_tower_env.py", line 45, in __init__ 2019-05-24T17:43:35.184939382Z timeout_wait=timeout_wait) 2019-05-24T17:43:35.184942214Z File "/srv/conda/lib/python3.6/site-packages/mlagents_envs/environment.py", line 69, in __init__ 2019-05-24T17:43:35.184945802Z aca_params = self.send_academy_parameters(rl_init_parameters_in) 2019-05-24T17:43:35.184948806Z File "/srv/conda/lib/python3.6/site-packages/mlagents_envs/environment.py", line 491, in send_academy_parameters 2019-05-24T17:43:35.184952019Z return self.communicator.initialize(inputs).rl_initialization_output 2019-05-24T17:43:35.184954878Z File "/srv/conda/lib/python3.6/site-packages/mlagents_envs/rpc_communicator.py", line 80, in initialize 2019-05-24T17:43:35.184958142Z "The Unity environment took too long to respond. Make sure that :\n" 2019-05-24T17:43:35.184963164Z mlagents_envs.exception.UnityTimeOutException: The Unity environment took too long to respond. Make sure that : 2019-05-24T17:43:35.184968225Z The environment does not need user interaction to launch 2019-05-24T17:43:35.184972965Z The Academy and the External Brain(s) are attached to objects in the Scene 2019-05-24T17:43:35.184977708Z The environment and the Python interface have compatible versions.
I am definitely using v2.1 of the environment. Not sure what’s going on, but this happened several submissions in a row, and I see that nobody else has successfully submitted in a few days.