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Retry all h2 errors (#16038) 

The h2 errors, a specific type nested in reqwest errors, all look like
they shouldn't happen in regular operations and should be retried. This
covers all `io::Error`s going through h2 (i.e., only HTTP 2
connections).

Fixes https://github.com/astral-sh/uv/issues/15916
This commit is contained in:
konsti 2025-10-09 15:53:14 +02:00 committed by GitHub
parent d3dc451ee9
commit 5ee728b3e3
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1 changed files with 6 additions and 6 deletions
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12
crates/uv-client/src/base_client.rs
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@ -1029,12 +1029,12 @@ pub fn is_transient_network_error(err: &(dyn Error + 'static)) -> bool {
}
trace!("Cannot retry nested reqwest error");
} else if let Some(io_err) = source.downcast_ref::<io::Error>().or_else(|| {
// h2 may hide an IO error inside.
source
.downcast_ref::<h2::Error>()
.and_then(|err| err.get_io())
}) {
} else if source.downcast_ref::<h2::Error>().is_some() {
// All h2 errors look like errors that should be retried
// https://github.com/astral-sh/uv/issues/15916
trace!("Retrying nested h2 error");
return true;
} else if let Some(io_err) = source.downcast_ref::<io::Error>() {
has_known_error = true;
let retryable_io_err_kinds = [
// https://github.com/astral-sh/uv/issues/12054