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fix (MQ): support IPv4-only broker hostnames#8679

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fix (MQ): support IPv4-only broker hostnames#8679
hanx-hep wants to merge 1 commit into
DIRACGrid:rel-v8r0from
hanx-hep:fix-stomp-ipv4-only-rel-v8r0

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@hanx-hep hanx-hep commented Jul 8, 2026

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Backport of #8649 to rel-v8r0.

This allows STOMP MQ connections to resolve IPv4-only broker hostnames by using AF_UNSPEC while preserving the IPv6 preference when IPv6 addresses are available.

Validation:

  • PYTHONPATH=src:dirac-common/src /opt/dirac/pro/Linux-x86_64/bin/python -m pytest -q -o addopts='' src/DIRAC/Resources/MessageQueue/test

BEGINRELEASENOTES

*Resources

FIX: Allow STOMP MQ connections to use IPv4-only broker hostnames.

ENDRELEASENOTES

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