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microsoft.graph.onPremisesPublishing wrong serialization #1542
Description
Describe the bug
Same bug as in the PHP SDK from 2025
microsoftgraph/msgraph-beta-sdk-php#356
from msgraph_beta import GraphServiceClient as BetaClient
from msgraph_beta.generated.models.application import Application as Application
from msgraph_beta.generated.models.on_premises_publishing import OnPremisesPublishing
from msgraph_beta.generated.models.external_authentication_type import ExternalAuthenticationType
request_body = Application(
on_premises_publishing = OnPremisesPublishing(
external_authentication_type=ExternalAuthenticationType.Passthru,
internal_url="http://localhost:65001",
external_url="https://whatever",
is_http_only_cookie_enabled=False,
is_on_prem_publishing_enabled=True,
is_persistent_cookie_enabled=False,
is_secure_cookie_enabled=False,
is_state_session_enabled=False,
is_translate_host_header_enabled=False,
is_translate_links_in_body_enabled=False,
is_backend_certificate_validation_enabled=False
),
)
from kiota_serialization_json.json_serialization_writer import JsonSerializationWriter
writer = JsonSerializationWriter()
request_body.serialize(writer)
print(writer.get_serialized_content().decode('utf-8'))Output:
{"@odata.type": "#microsoft.graph.application", "onPremisesPublishing": {"externalAuthenticationType": "passthru", "externalUrl": "https://whatever", "internalUrl": "http://localhost:65001", "isBackendCertificateValidationEnabled": false, "isHttpOnlyCookieEnabled": false, "isOnPremPublishingEnabled": true, "isPersistentCookieEnabled": false, "isSecureCookieEnabled": false, "isStateSessionEnabled": false, "isTranslateHostHeaderEnabled": false, "isTranslateLinksInBodyEnabled": false}}await beta_client.applications.by_application_id(app.application.id).patch(request_body) then fails with
APIError
Code: 400
message: None
error: MainError(additional_data={}, code='InvalidJson_BadRequest', details=None, inner_error=InnerError(additional_data={}, client_request_id='xxxx', date=datetime.datetime(2026, 7, 10, 8, 49, 27), odata_type=None, request_id='xxxx'), message='Valid JSON content expected.', target=None)Expected behavior
proper error message and properly serialized data sent to the backend
How to reproduce
see above
SDK Version
1.59.0
Latest version known to work for scenario above?
No response
Known Workarounds
request_body = BetaApplication(
additional_data = {
"microsoft.graph.onPremisesPublishing": {
"@odata.type": "#microsoft.graph.onPremisesPublishing",
"externalAuthenticationType": "passthru",
"internalUrl": "http://localhost:65001",
"externalUrl": EXTERNAL_URL,
"isHttpOnlyCookieEnabled": False,
"isOnPremPublishingEnabled": True,
"isPersistentCookieEnabled": False,
"isSecureCookieEnabled": False,
"isStateSessionEnabled": False,
"isTranslateHostHeaderEnabled": False,
"isTranslateLinksInBodyEnabled": False,
"isBackendCertificateValidationEnabled": False
}
}
)Debug output
No response
Configuration
No response
Other information
No response
Activity