az login --identity fails on an AzureML compute instance: json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[leosannlsn]

Describe the bug

Command Name
az login --identity

Errors:

The command failed with an unexpected error. Here is the traceback:
Expecting value: line 1 column 1 (char 0)
Traceback (most recent call last):
  File "/opt/az/lib/python3.10/site-packages/knack/cli.py", line 231, in invoke
    cmd_result = self.invocation.execute(args)
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/commands/__init__.py", line 663, in execute
    raise ex
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/commands/__init__.py", line 726, in _run_jobs_serially
    results.append(self._run_job(expanded_arg, cmd_copy))
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/commands/__init__.py", line 697, in _run_job
    result = cmd_copy(params)
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/commands/__init__.py", line 333, in __call__
    return self.handler(*args, **kwargs)
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/commands/command_operation.py", line 121, in handler
    return op(**command_args)
  File "/opt/az/lib/python3.10/site-packages/azure/cli/command_modules/profile/custom.py", line 122, in login
    return profile.login_with_managed_identity(username, allow_no_subscriptions)
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/_profile.py", line 234, in login_with_managed_identity
    msi_creds = MSIAuthenticationWrapper(resource=resource)
  File "/opt/az/lib/python3.10/site-packages/msrestazure/azure_active_directory.py", line 592, in __init__
    self.set_token()
  File "/opt/az/lib/python3.10/site-packages/azure/cli/core/auth/adal_authentication.py", line 75, in set_token
    super().set_token()
  File "/opt/az/lib/python3.10/site-packages/msrestazure/azure_active_directory.py", line 596, in set_token
    self.scheme, _, self.token = get_msi_token_webapp(self.resource, self.msi_conf)
  File "/opt/az/lib/python3.10/site-packages/msrestazure/azure_active_directory.py", line 548, in get_msi_token_webapp
    token_entry = result.json()
  File "/opt/az/lib/python3.10/site-packages/requests/models.py", line 910, in json
    return complexjson.loads(self.text, **kwargs)
  File "/opt/az/lib/python3.10/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/opt/az/lib/python3.10/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/opt/az/lib/python3.10/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

To Reproduce:

Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

• Create a compute instance in AzureML (mine is STANDARD_DS11_V2)
• Start the compute instance and click on the Terminal link to start a session
• Run az login --identity as suggested by the welcome message

Expected Behavior

az login --identity should log me in without failures

Environment Summary

Linux-5.15.0-1017-azure-x86_64-with-glibc2.31, Ubuntu 20.04.4 LTS
Python 3.10.5 ("base" conda environment)
Installer: DEB

azure-cli 2.39.0 *

Extensions:
ml 2.11.0

Dependencies:
msal 1.18.0b1
azure-mgmt-resource 21.1.0b1

Additional Context

[yonzhan]

@jiasli for awareness

[julyvee]

This is still an issue for me and the solution to #20853 did not help in my case. This is my stack trace after using az login -i on an azure ml compute instance

@bebound
@yonzhan
@jiasli

The command failed with an unexpected error. Here is the traceback:
Expecting value: line 1 column 1 (char 0)
Traceback (most recent call last):
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/requests/models.py", line 971, in json
    return complexjson.loads(self.text, **kwargs)
  File "/anaconda/envs/azureml_py38/lib/python3.8/json/__init__.py", line 357, in loads
    return _default_decoder.decode(s)
  File "/anaconda/envs/azureml_py38/lib/python3.8/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/anaconda/envs/azureml_py38/lib/python3.8/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/knack/cli.py", line 233, in invoke
    cmd_result = self.invocation.execute(args)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 663, in execute
    raise ex
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 726, in _run_jobs_serially
    results.append(self._run_job(expanded_arg, cmd_copy))
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 697, in _run_job
    result = cmd_copy(params)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/commands/__init__.py", line 333, in __call__
    return self.handler(*args, **kwargs)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/commands/command_operation.py", line 121, in handler
    return op(**command_args)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/command_modules/profile/custom.py", line 122, in login
    return profile.login_with_managed_identity(username, allow_no_subscriptions)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/_profile.py", line 234, in login_with_managed_identity
    msi_creds = MSIAuthenticationWrapper(resource=resource)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/msrestazure/azure_active_directory.py", line 592, in __init__
    self.set_token()
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/azure/cli/core/auth/adal_authentication.py", line 75, in set_token
    super().set_token()
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/msrestazure/azure_active_directory.py", line 596, in set_token
    self.scheme, _, self.token = get_msi_token_webapp(self.resource, self.msi_conf)
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/msrestazure/azure_active_directory.py", line 548, in get_msi_token_webapp
    token_entry = result.json()
  File "/anaconda/envs/azureml_py38/lib/python3.8/site-packages/requests/models.py", line 975, in json
    raise RequestsJSONDecodeError(e.msg, e.doc, e.pos)
requests.exceptions.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

[bebound]

@julyvee your issue is similar to #23978

[julyvee]

@bebound Yes, but there is no real solution in that ticket. What does "Taking extra steps to login" even mean.

[bebound]

@julyvee jiasli send you an email, could you please take a look?