# NousResearch/hermes-agent · Jiter SSE parse errors retryability fix

## Open now

- Nothing open on GitHub.

A bug was identified where jiter ValueError exceptions from corrupted SSE stream chunks were incorrectly classified as non-retryable. These members address classifying such parse failures as retryable and probing opaque 5xx streaming errors with a non-streaming request.

## TL;DR

- 3 member(s): 0 open issue(s), 1 closed issue(s), 0 open PR(s), 1 merged PR(s), 1 PR(s) closed without merging.
- A fix was merged to main in PR #121541. Verify it addresses your case.
- **Recommended:** read PR #121541 (and any competing PRs below) before filing. Confirm the merged change covers your symptom.

## Maintainer resolution verdict

- Internal-tracker verdict over this cluster's issue members: `resolved` · deciding PR(s): `pr-121541`. This is distinct from the fix status above. Weigh it yourself.

## How this cluster was grouped

- Link evidence (`STRUCTURAL_SPANNING`): every member is connected by structural evidence: shared changed files, or a closing/superseded reference.
- Pairwise link density `0.67`: the share of member pairs that carry a link, counting a structural link in full and a relevance-only link at 0.36. `1.00` means every pair is linked.

## Closed / duplicate issues

- #65147: \[Bug\]: jiter ValueError from corrupted SSE stream chunk classified as non-retryable — gap in the #14271 fix

## Prior & competing PRs

- **#121541: fix(agent): unmask opaque streaming 5xx with one non-streaming probe; retry jiter SSE parse errors**. merged to main · fix tier `verified`
  - maintainer direction: category `merged`
  - files: `agent/agent_init.py`, `agent/api_error_summary.py`, `agent/chat_completion_helpers.py`, `agent/turn_api_error.py`, `run_agent.py`, `tests/agent/test_stream_unmask_5xx.py`, `tests/agent/test_turn_api_error_stream_parse.py`
- **#65154: fix(agent): classify jiter SSE parse failures as retryable (#65147)**. closed without merge
  - maintainer direction: category `uncategorized`; implication `needs_llm`; refs `6927ccf2e0`, `#121541`, `#65147`

## Fix status

- Merged to main in PR #121541 (cited above). No release data is tracked. Verify downstream.
- Fix last verified (merged) `2026-09-24`.
- Subsystem: `agent`