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Fix anonymous access by setting default region - #3422

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WardF merged 1 commit into
Unidata:mainfrom
mannreis:patch-anonymous-hdf5-ros3-2.1.0
Jul 30, 2026
Merged

Fix anonymous access by setting default region#3422
WardF merged 1 commit into
Unidata:mainfrom
mannreis:patch-anonymous-hdf5-ros3-2.1.0

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@mannreis

@mannreis mannreis commented Jul 30, 2026

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This PR fixes #3339

There was a behaviour change in HDF5_ROS3 likely due to the move to aws-c-s3 instead of the curl implementation. May be nice to confirm the reason and bring this issue there.
The issue is coming from the fact that the field H5FD_ros3_fapl_t.aws_region1 was not set and there is no environment variable/configured fallback.

Footnotes

  1. https://support.hdfgroup.org/documentation/hdf5/latest/struct_h5_f_d__ros3__fapl__t.html#a7378f9932dad7faf06da15d5d47a664e

@mannreis
mannreis requested a review from WardF as a code owner July 30, 2026 15:27
@WardF

WardF commented Jul 30, 2026

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Thanks!

@WardF
WardF merged commit af54221 into Unidata:main Jul 30, 2026
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@mannreis
mannreis deleted the patch-anonymous-hdf5-ros3-2.1.0 branch July 31, 2026 07:37
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Failure reading from S3

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