Trials did not complete

deepgravity · February 20, 2021, 6:51pm

Hi,
I am beginner in Rllib.
I downloaded the following code and run it on TF.

ray-project/ray/blob/master/rllib/examples/custom_env.py

"""Example of a custom gym environment and model. Run this for a demo.

This example shows:
  - using a custom environment
  - using a custom model
  - using Tune for grid search

You can visualize experiment results in ~/ray_results using TensorBoard.
"""
import argparse
import gym
from gym.spaces import Discrete, Box
import numpy as np
import os

import ray
from ray import tune
from ray.tune import grid_search
from ray.rllib.models import ModelCatalog
from ray.rllib.models.tf.tf_modelv2 import TFModelV2

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But I got this error:
TuneError: ('Trials did not complete', [PPO_SimpleCorridor_e5404_00000, PPO_SimpleCorridor_e5404_00001, PPO_SimpleCorridor_e5404_00002])

Would you please help me to figure out how to resolve it?
Thanks

deepgravity · February 21, 2021, 1:17pm

I fixed this issue by adding the following line to the __init__ method of the custom_model:
self.register_variables(self.model.variables())

sven1977 · March 1, 2021, 1:12pm

This could be due to you using a prior version of RLlib (which did require to register all TFModelV2 weights manually). This should be fixed in the latest master. I just tried this again to confirm. This script is also part of our per-PR regression test suite.

PhilippWillms · April 14, 2023, 5:08pm

Yes, meanwhile the self.register_variables makes it not runnable at all, so hopefully this is no longer a source of issues

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Issue with Running Experiments with Custom Gym Environment RLlib	4	473	June 13, 2022
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ray.tune.error.TuneError: ('Trials did not complete', [A3C_A3C_four_way_train-v0_00000]) Ray Libraries (Data, Train, Tune, Serve)	0	6	July 13, 2024
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Trials did not complete

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