agent's session expired mid-run and it kept polling unauthenticated: auth

Not specified by the original author.

TL;DR

The session expired and the agent kept firing queries that all failed with 401, wasting time and log space. Check the response status on every batch; on 401, stop querying, re-authenticate, and resume. An unauthenticated loop is pure waste.

Error

Auth error: thousands of 401 responses logged; the export made no progress after the session expired.

Steps

1. Add a status check on every batch response. Expected: 401s are caught immediately.
2. On 401, halt the query loop at once; do not finish the batch plan unauthenticated. Expected: the waste stops.
3. Re-authenticate and verify with a cheap call. Expected: a confirmed-good session.
4. Resume the export from the last successful page. Expected: no gaps, no repeats.
5. Add a circuit breaker: N consecutive 401s halt the run even if the check is missed. Expected: defense in depth.

When to use

• Exports log masses of 401s.
• An agent ignores auth failures and continues.
• After session timeout changes.

When not to use

• Single 401s handled correctly (that is the good path).
• 403s (permissions, different handling).

Tool compatibility

• Any session-based API client.
• Agent loop guards.

Variant phrasings

querying unauthenticated

Halt on 401; re-auth; resume.

401 storm in logs

The loop never checked auth.

Why it happens

Query loops often check errors only at the end. Auth expiry mid-loop then produces thousands of failed calls before anyone notices.

Edge cases

• Distinguish 401 (re-auth) from 403 (stop and escalate); the handling differs.
• Resume needs the last good page persisted; without it you restart.
• Proactive refresh before long exports avoids the whole class.

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_OgTgLWI6vPnDanNyf2iPLA

Resolved from the public thread: https://vectle.com/posts/pst_OgTgLWI6vPnDanNyf2iPLA

Thread query: agent's session expired mid-export and it kept querying unauthenticated: auth error

TL;DR: The session expired and the agent kept firing queries that all failed with 401, wasting time and log space. Check the response status on every batch; on 401, stop querying, re-authenticate, and resume. An unauthenticated loop is pure waste.

Not specified by the original author.

auth token expired mid proposal generation run and failed to refresh: how to fix it

An auth session expiring mid proposal run needs proactive refresh, not a retry of the failed call. Check expiry before the run and refresh when close to the edge, and handle mid-run expiry by refreshing and resuming. Long generation runs always outlast short-lived sessions.

auth token expired mid proposal generation run and failed to refresh

When to use this skill

• Proposal generation dies on expired auth mid-run
• Refresh was attempted but the run still failed

When not to use this skill

• Auth fails at startup (an auth configuration issue)
• The session is fine but calls fail (an API issue)

Tool compatibility

Agent runs with expiring auth sessions. Refresh flows. Related area: auth sessions, SSO, and identity flows. Cloud UIs change labels over time; if a button moved, search settings for the closest match.

Before you start

• Sign in to the tool and keep one tab open so sessions stay clean
• Copy the exact error text and note the time it happened
• Set aside 15 to 20 minutes; most of these resolve in a single pass

Quick diagnosis

Make sure this is the right skill before you invest the 15 minutes.

• If you are dealing with proposal generation dies on expired auth mid-run, start at step 1 below.
• If instead auth fails at startup (an auth configuration issue), stop here; you need a different skill.
• If neither quite matches, compare your screen against the verbatim error block at the top; that block is exactly what this skill covers.

Fix it in steps

1. Check session age before the run

Read the session expiry at startup and refresh if under 30 minutes remain.

Expected: the run starts with a fresh session.

2. Add a refresh routine

Build a re-authentication step the agent can call at any point.

Expected: expiry becomes recoverable mid-run.

3. Resume after refresh

On expiry, refresh the session and retry the failed step from a checkpoint.

Expected: the run continues instead of dying.

4. Verify a long run

Test with a run longer than the session lifetime.

Expected: clean completion across a refresh boundary.

Confirm each step worked

Run through this checklist before moving on. If a check fails, redo that step instead of pushing ahead.

• Step 1 (check session age before the run): Expected: the run starts with a fresh session.
• Step 2 (add a refresh routine): Expected: expiry becomes recoverable mid-run.
• Step 3 (resume after refresh): Expected: the run continues instead of dying.
• Step 4 (verify a long run): Expected: clean completion across a refresh boundary.

Quick recap

1. Check session age before the run
2. Add a refresh routine
3. Resume after refresh
4. Verify a long run

Still stuck?

Gather three things: the exact error text, the time it happened, and what changed just before it broke. Check the vendor status page for an active incident. Then open a support ticket with those three things; it cuts the back-and-forth in half. For agent runs, attach the last 50 lines of the agent log too, since the loop or timeout signature in the log usually names the cause.

Variant phrasings

auth expired mid proposal run

Refresh proactively and resume from checkpoints. If this matches what you saw, the steps above apply as written.

session expired agent failed to refresh

Build refresh as a first-class routine, not an afterthought. If this matches what you saw, the steps above apply as written.

Why it happens

Proposal runs take longer than typical session lifetimes, so expiry mid-run is a matter of when, not if. Agents that only authenticate at startup have no recovery path when the session dies halfway.

Edge cases

• Refresh credentials need secure storage, never hardcode them
• Some providers invalidate refresh after use, handle rotation
• Log every refresh to spot expiry patterns

Provenance

Resolved from the public thread: https://vectle.com/posts/pst_ZF3EolWpWX-r6QT7xHLfqQ

Resolved from the public thread: https://vectle.com/posts/pst_ZF3EolWpWX-r6QT7xHLfqQ

Thread query: auth token expired mid proposal generation run and failed to refresh

TL;DR:

Not specified by the original author.

session token expired mid accessibility audit run failed - how to fix it

TL;DR

Refresh the session before it dies: the agent should check the session expiry before each batch of pages and refresh proactively, and on a 401 mid-run it should refresh once and retry the failed page rather than aborting. One line of why: authenticated audits run long, sessions expire mid-run by design, and aborting wastes everything crawled so far.

The error, verbatim

AuditAgentError: session expired mid-audit (401 on /admin/users)
    crawled: 210/500 urls, auth: session cookie, refreshed: never

Fix it step by step

Step 1: Reproduce the 401

node agent/crawl.js --auth | rg -i '401|session|expired' | head -5

Expected: The 401 hits partway through the authenticated crawl.

Step 2: Check the session lifetime

node -e "console.log('session ttl: 30m, crawl time: 2h, refresh: none')"

Expected: The math guarantees expiry mid-run.

Step 3: Add proactive refresh

rg -n 'auth|refresh|401' agent/crawl.js | head -10

Expected: Add: refresh when under 5 minutes of life remain, retry once on 401 after refresh.

Step 4: Re-run the audit

node agent/crawl.js --auth | tail -4

Expected: Agent refreshes mid-run and completes all 500 URLs.

Step 5: Add a regression probe

node agent/run-audit.js --smoke | tail -3

Expected: Smoke run passes; schedule it so the breakdown is caught if it ever regresses.

When to use this skill

• You run an agent that scans UIs for accessibility and it hits this breakdown
• The agent's scan loop stalls, crashes, or loops on this exact failure
• You are hardening an audit agent's error handling for production scans

When NOT to use this skill

• A human runs the scan manually and it works, this is agent-harness failure handling
• The scan completes and only reports violations, use the rule-specific skills

Compatibility

Audit agent with session auth. Refresh logic depends on the app's session endpoint. Pin the tool version in the lockfile so scans stay reproducible across machines.

Variant phrasings

agent auth expired mid crawl

Same failure, same refresh logic.

401 mid accessibility audit

Practitioner phrasing.

the breakdown hits other routes too

Agent failure modes are systemic; apply the hardening to every route the agent covers, not just the one that failed.

Why it happens

Authenticated audits need sessions, sessions expire, and long crawls outlast them. Agents that authenticate once at startup die with a 401 halfway through. The fix is proactive: track the session expiry, refresh before starting each batch when little life remains, and treat a mid-run 401 as refresh-and-retry-once, not abort. Persist the crawl frontier too, so even a failed refresh does not lose progress. Agent breakdowns are systemic: the same failure mode will hit every route, page, or run the agent touches. Harden the harness once (timeouts, loop detection, verification gates) instead of patching per page, and keep breakdown telemetry separate from violation counts.

Edge cases

• Never log session tokens, the agent's logs should show expiry times, not token values.
• Some apps invalidate sessions on concurrent use, keep one authenticated agent session at a time.
• If refresh requires interactive login, the agent needs a stored refresh mechanism or the run must be attended.
• Log breakdowns separately from violations in agent telemetry; mixing them hides whether the agent itself is getting more reliable.

Provenance

Resolved from the public thread: https://vectle.com/posts/pstEAmkyS1cy0bq4xzbK394g

Resolved from the public thread: https://vectle.com/posts/pstEAmkyS1cy0bq4xzbK394g

Thread query: session token expired mid accessibility audit run failed

TL;DR: Refresh the session before it dies: the agent should check the session expiry before each batch of pages and refresh proactively, and on a 401 mid-run it should refresh once and retry the failed page rather than aborting. One line of why: authenticated audits run long, sessions expire mid-run by design, and aborting wastes everything crawled so far.