mcli: Unable to prepare URL for copying. Unable to guess the type of copy operation. about mc HOT 9 OPEN

Tested mc mirror but it does not copy anything from the affected folder and does not result with Error and ends after 2 minutes. The folder i want to copy is 101GB big with 1.8 million files.

Other smaller folders in the same bucket works with mc mv and with mc mirror.

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Tested to copy the folder from minio server to my local system with mc cp -r, same error. This folder can not be copied, mirrored or moved in any way. Other smaller folders work, so obviously it is a bug in MinIO with very big data. This is a gamebreaker and very critical and if this behaviour is not supported, we need to change our environment and switch to another solution.

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The data in our minio are now in a minio folder structure and as we can not access the contents via mcli/awscli/winscp, we have a huge data loss? Can anyone help here? Where do we find support?

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From what I can understand, it seems like when the bucket has hyphens in it, it is failing. At least that seems to be the case for me.

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I can confirm the same issue with a bucket with hypens in it

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@mmedic Could you share a script to let us to reproduce that?

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I was wracking my brain because I got this error, too. It turns out it appears when the source file does not exist

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I had the same issue, and apparently it was a certificate issue.
Either add 'insecure' option to your command, or add the certificate to the host/container you running the command on.

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