Resource leak in Microsoft Azure Form Recognizer azure.ai.formrecognizer.aio.DocumentAnalysisClient unclosed aiohttp Client Session #37403
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customer-reported
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Document Intelligence
needs-team-attention
Workflow: This issue needs attention from Azure service team or SDK team
question
The issue doesn't require a change to the product in order to be resolved. Most issues start as that
While calling azure.ai.formrecognizer.aio.DocumentAnalysisClient for doing ocr for 200 pages using async event loop i am intermittently getting "Unclosed client session warnings". Some of the aiohttp sessions internally created in the client is not closed.
client initialisation code is : self.client = DocumentAnalysisClient(self.config_dict["FORM_RECOGNIZER_ENDPOINT"], credential=DefaultAzureCredential(),
api_version = self.config_dict["FORM_RECOGNIZER_API_VERSION"]
session=session,
,session_owner = False
)
I am passing an aiohttp Session to the client and i am closed the session using async with.
the client is also wrapped around async with.
I tried without passing the session created by me, the resource leak error still persists.
async with aiohttp.ClientSession() as session:
print_active_sessions()
async with await get_ocr_reader(session=session) as reader:
result = await analyze_files( model_id, page_image_list)
return result
this is the consumer code.
To Reproduce
Ideally all sessions created by DocumentAnalysisClient should be closed by it. If user is passing a session, then the client should use that session and should not create any sessions for itself.
aiohttp version is 3.10.5
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