I was following the official ray-serve tutorial (https://docs.ray.io/en/latest/serve/getting_started)
on a m2.2xlarge EC2. I’m using a python version 3.9. But getting the following error.
(pyvenv) [ec2-user@ip-server]$ serve run model_ray_serve:translator_app
Traceback (most recent call last):
File “/home/ec2-user/py3venv/pyvenv/bin/serve”, line 5, in
from ray.serve.scripts import cli
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/init.py”, line 4, in
from ray.serve.api import (
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/api.py”, line 19, in
from ray.serve.built_application import BuiltApplication
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/built_application.py”, line 7, in
from ray.serve.deployment import Deployment
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/deployment.py”, line 14, in
from ray.serve.context import get_global_client
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/context.py”, line 12, in
from ray.serve._private.client import ServeControllerClient
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/_private/client.py”, line 25, in
from ray.serve._private.deploy_utils import get_deploy_args
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/_private/deploy_utils.py”, line 8, in
from ray.serve.schema import ServeApplicationSchema
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/schema.py”, line 134, in
class DeploymentSchema(
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/ray/serve/schema.py”, line 242, in DeploymentSchema
def num_replicas_and_autoscaling_config_mutually_exclusive(cls, values):
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/pydantic/deprecated/class_validators.py”, line 222, in root_validator
return root_validator()(*__args) # type: ignore
File “/home/ec2-user/py3venv/pyvenv/lib64/python3.9/site-packages/pydantic/deprecated/class_validators.py”, line 228, in root_validator
raise PydanticUserError(
pydantic.errors.PydanticUserError: If you use @root_validator with pre=False (the default) you MUST specify skip_on_failure=True. Note that @root_validator is deprecated and should be replaced with @model_validator.
For further information visit Usage Errors - Pydantic
(pyvenv) [ec2-user@ip-server]$