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Get S3 Object Content Fails with NotFound When File has no Extension

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Posted on by Sohrab

We are testing out a downloading files from S3 buckets using Power Automate cloud flows.

Using the "Get S3 object content" action, our manually triggered flow works as expected if the key of the object (the path and filename) has a file extension, like .txt: DEV/folder/file_name_000.txt

If the file that we are trying to download does not have an extension: DEV/folder/file_name_000

we get a NotFound error with body:

{

"status": 404,

"message": "The object key was not found in the S3 bucket. AWS Request Id: <snip> AWS Id2: <snip>.\r\nclientRequestId: <snip>",

"error": {

"message": "The object key was not found in the S3 bucket. AWS Request Id: <snip> AWS Id2: <snip>."

"source": "amazons3-wus.azconn-wus.p.azurewebsites.net"

}

Both files are in the same folder that has the same permissions, and the files are accessible using other tools like S3 Browser.

Is there a setting or parameter in the action that we need to pass along as part of the request?

Thanks

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Anupam.khasia 366 on at

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@Sohrab - looks you are passing file name without extension , you must pass full name with extension . system will not pick anonymously with only file name.

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Sohrab 13 on at

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@anupam8555 you're right that we aren't passing an extension in the failing case. Note though, that the file that we need to pull *has no extension* on the S3 side, the file is named "file_name_000"

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Sohrab 13 on at

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This error seems to be related to S3 permissions or something else, as we have now generated some passing test cases where the object has no file extension. Thanks for your help.

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