fix(bigtable): retry unexpected EOF errors#13157
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bhshkh merged 3 commits intoMay 30, 2026
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Please merge main / rebase to main |
We see the unexpected EOF error message in logs for large scans. Apparently there is a flaky test that shows the same issue as well: googleapis#10909 Keeping the comparison by message text, because grpc-go returns a gRPC status error with the same message as io.UnexpectedEOF in some places. There are more cases that use the comparison of the error message now, and the grpc-go has some places (see https://github.com/grpc/grpc-go/blob/ae62635cb0e21ae37e7ae5f0f18aaac5e8139834/rpc_util.go#L1033) that return a gRPC status error with the error message of the io.UnexpectedEOF. So I kept the handling by error message text instead of comparing directly to io.UnexpectedEOF.
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@bhshkh rebased |
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@bhshkh it seems that pull request approval is needed here before the merge succeeds. |
bhshkh
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May 16, 2026
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@martin-sucha git commit --allow-empty -m "re-run multi-approvers check" |
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@bhshkh I've pushed the empty commit. The |
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Fixes b/369728110 |
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PR created by the Librarian CLI to initialize a release. Merging this PR will auto trigger a release. Librarian Version: v0.20.0 Language Image: us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/librarian-go@sha256:b7e38e80d677dc6b7266896bb99a33fa62348d3e39d7b8f2f6423e7dc4b35a60 <details><summary>bigtable: v1.49.0</summary> ## [v1.49.0](bigtable/v1.48.0...bigtable/v1.49.0) (2026-06-10) ### Features * enable new auth library and remove async refresh (#19943) ([0d3697b](0d3697b2)) * add traffic diverter and table shim for bigtable (#14633) ([2f3c918](2f3c9184)) * add virtual RPC descriptors (#14648) ([5eedda1](5eedda18)) * add opensession descriptors for bigtable (#14647) ([8968f4f](8968f4fd)) * update API sources and regenerate (#14701) ([a9b7921](a9b79215)) ### Bug Fixes * retry unexpected EOF errors (#13157) ([2b4ac42](2b4ac429)) * disable dynamic channel pool by default and raise default pool size to 10 (#19945) ([5ddf8d4](5ddf8d46)) * raise default connection-recycler MaxAge to 7 days (#19940) ([a7959ef](a7959efc)) </details>
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Landed upstream as PR googleapis#13157 but was missing on this branch after the squash-graft. Adds 'unexpected EOF' to the list of internal error substrings the client treats as retryable.
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This has been previously discussed at #11276.
I am resubmitting the change again, since we still see the UnexpectedEOF and we are running with this patch in production to retry it.
Apparently there is a flaky test that shows the same issue as well: #10909
There are more cases that use the comparison of the error message now, and the grpc-go has some places that return a gRPC status error with the error message of the io.UnexpectedEOF.
So I kept the handling by error message text instead of comparing directly to io.UnexpectedEOF.