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# prefect-community
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John Ramirez
03/23/2020, 4:17 PMOn version 0.9.8 and received this error during testing:
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Unexpected error: AttributeError("'S3ResultHandler' object has no attribute '_client'")j
josh
03/23/2020, 5:18 PMWhat are you testing for this to occur? The
_clientj
John Ramirez
03/23/2020, 5:22 PMIm running an end-to-end test of a workflow but further review of the code I realize that the handler is not referenced in any of the task
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josh
03/23/2020, 5:23 PM🤔 so the issue is happening without initializing the handler at all?
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John Ramirez
03/23/2020, 5:26 PMI do initialize the result handler but I dont place the object in the task definition
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josh
03/23/2020, 5:27 PMAre you initializing it similar to this?
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In [21]: S3ResultHandler(bucket='my-bucket')
Out[21]: <ResultHandler: S3ResultHandler>
In [22]: r = _
In [23]: r.client
Out[23]: <botocore.client.S3 at 0x10cc10908>
In [24]: r._client
Out[24]: <botocore.client.S3 at 0x10cc10908>j
John Ramirez
03/23/2020, 5:32 PM Copy code
RESULT_HANDLER = S3ResultHandler(
bucket='workflow-output',
aws_credentials_secret='AWS_CREDS',
)but then the object is not used anywhere in the workflow code
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josh
03/23/2020, 5:34 PMDoes the error happen there when you initialize or when you run your flow?
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John Ramirez
03/23/2020, 7:15 PMrun the flow
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josh
03/23/2020, 7:29 PMWeird I’m really not sure how that error would be raised if your flow does not use the S3ResultHandler anywhere
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John Ramirez
03/23/2020, 8:07 PMany suggestions for
0.9.80.9.7j
josh
03/23/2020, 8:20 PMOh so this works fine on
0.9.7Do you happen to have a reproduceable example that encounters this?
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John Ramirez
03/24/2020, 2:00 PMHey josh, I now see what is going on with this result_handler
I have two workflows: one with retries and the other without. The workflow with retries requires a result_handler at the Flow level. Now on version
0.9.80.9.7Unexpected error: AttributeError("'S3ResultHandler' object has no attribute '_client'")also seems to occur the first time for a mapping task
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Jie Lou
03/26/2020, 6:19 PMHi @John Ramirez . I met the same error on 0.9.8 and wondering if you have figured it out. Our S3ResultHandler is also set on the flow level.