session locked | Friends of the Crustacean 🦞🤝 | Page 1

slow vine May 27, 2026, 4:07 AM

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04:03:15+00:00 error diagnostic {"subsystem":"diagnostic"} lane task error: lane=main durationMs=60176 error="SessionWriteLockTimeoutError: session file locked (timeout 60000ms): pid=91423 /Users/carbon/.openclaw/agents/main/sessions/d175e891-c441-4bad-98bd-c56608b150d3.jsonl.lock"
04:03:15+00:00 error diagnostic {"subsystem":"diagnostic"} lane task error: lane=session:agent:main:telegram:direct:8398889290 durationMs=60179 error="SessionWriteLockTimeoutError: session file locked (timeout 60000ms): pid=91423 /Users/carbon/.openclaw/agents/main/sessions/d175e891-c441-4bad-98bd-c56608b150d3.jsonl.lock"
04:03:15+00:00 error Embedded agent failed before reply: session file locked (timeout 60000ms): pid=91423 /Users/carbon/.openclaw/agents/main/sessions/d175e891-c441-4bad-98bd-c56608b150d3.jsonl.lock
Log tail truncated (increase --max-bytes).

how to fix, also use the /config command for editting openclaw.json or stuff

somber obsidianBOT May 27, 2026, 4:07 AM

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To help others find answers, you can mark your question as solved via Right click solution message -> Apps -> ✅ Mark Solution

stable badgeBOT May 27, 2026, 4:07 AM

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slow vine May 27, 2026, 4:07 AM

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🦞 OpenClaw 2026.5.22 (a374c3a)
⏱️ Uptime: gateway 9h 9m · system 2d 20h
🧠 Model: opencode-go/deepseek-v4-flash · 🔑 api-key (models.json)
🧮 Tokens: 28k in / 2.1k out
🗄️ Cache: 71% hit · 69k cached, 0 new
📚 Context: 70k/128k (54%) · 🧹 Compactions: 0
🧵 Session: agent:main:telegram:direct:8398889290 • updated just now
⚙️ Execution: direct · Runtime: OpenClaw Pi Default · Think: medium
🪢 Queue: steer (depth 0)

hallow oakBOT May 27, 2026, 4:08 AM

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slow vine 04:03:15+00:00 error diagnostic {"subsystem":"diagnostic"} lane task error: lane...

carbon first thing: please grab the version, because lock behavior has changed recently:

openclaw --version

That error means a session transcript lock file exists for this session:

/Users/carbon/.openclaw/agents/main/sessions/d175e891-c441-4bad-98bd-c56608b150d3.jsonl.lock

The lock says it is owned by pid 91423. Fix path I’d use:

ps -p 91423 -o pid,ppid,etime,command

hallow oakBOT May 27, 2026, 4:08 AM

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slow vine 04:03:15+00:00 error diagnostic {"subsystem":"diagnostic"} lane task error: lane...

openclaw status
openclaw doctor --fix
openclaw gateway restart

openclaw doctor --fix is the preferred repair path here: it scans session lock files and removes stale ones automatically. The gateway also cleans stale session locks on startup, so the restart helps after doctor repairs state.

If ps shows pid 91423 is still an OpenClaw/Node process, don’t delete the lock manually yet; it may be a genuinely running or wedged turn. Try the restart first. If ps says the pid does not exist and doctor --fix still leaves the same lock, move only the .lock file aside, not the .jsonl transcript:

mkdir -p ~/.Trash/openclaw-locks
mv /Users/carbon/.openclaw/agents/main/sessions/d175e891-c441-4bad-98bd-c56608b150d3.jsonl.lock ~/.Trash/openclaw-locks/
openclaw gateway restart

For config edits, use the CLI config command rather than hand-editing when possible:

hallow oakBOT May 27, 2026, 4:08 AM

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slow vine 04:03:15+00:00 error diagnostic {"subsystem":"diagnostic"} lane task error: lane...

openclaw config file
openclaw config get agents.defaults.workspace
openclaw config set gateway.port 18789 --strict-json
openclaw config validate

Docs: https://docs.openclaw.ai/help/faq and https://docs.openclaw.ai/cli/config

hallow oakBOT May 27, 2026, 4:08 AM

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slow vine 🦞 OpenClaw 2026.5.22 (a374c3a) ⏱️ Uptime: gateway 9h 9m · system 2d 20h 🧠 Mode...

That status is useful: the gateway is alive, queue depth is 0, and the session updated just now, so this may already have recovered after the lock timeout.

If it still fails on the next Telegram message, run this exact sequence:

ps -p 91423 -o pid,ppid,etime,command
openclaw doctor --fix
openclaw gateway restart
openclaw status --all

If ps shows pid 91423 is gone, doctor --fix should remove the stale session lock. If pid 91423 is still alive and looks like an OpenClaw/Node process, the lock is probably from an active or wedged run, so restart the gateway instead of manually deleting the lock.

Also worth noting: you’re on 2026.5.22. If this repeats after the restart, update before digging too deep, then rerun openclaw doctor --fix and openclaw status --all.

Docs for the debug flow: https://docs.openclaw.ai/help/faq

slow vine May 27, 2026, 4:11 AM

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PID PPID ELAPSED COMMAND
91423 1 09:12:56 /opt/homebrew/opt/node/bin/node /opt/homebrew/lib/node_modules/openclaw/dist/index.js gateway --po
│
◇

🦞 OpenClaw 2026.5.22 (a374c3a) — I'm not AI-powered, I'm AI-possessed. Big difference.

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🦞 OPENCLAW 🦞

┌ OpenClaw doctor
│
◇ OpenCode ────────────────────────────────────────────────────────────────────────────────╮
│ │
│ - models.providers.opencode-go is set; this overrides the built-in OpenCode Go catalog. │
│ - Remove these entries to restore per-model API routing + costs (then re-run setup if │
│ needed). │
│ │
├───────────────────────────────────────────────────────────────────────────────────────────╯
│
◇ Doctor changes ───────────────────────────╮
│ │
│ Disabled unavailable skill bird-twitter. │
│ Disabled unavailable skill xurl. │
│ │
├────────────────────────────────────────────╯
│
◇ Plugin registry ───────────────────────────────────────────╮
│ │
│ Plugin registry refreshed: 65/93 enabled plugins indexed. │
│ │
├─────────────────────────────────────────────────────────────╯
│
◆ Archive 10 orphan transcript files in ~/.openclaw/agents/main/sessions? This only renames them to
│ *.deleted.<timestamp>.
│ ○ Yes / ● No

^^ delete or no?

hallow oakBOT May 27, 2026, 4:11 AM

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slow vine PID PPID ELAPSED COMMAND 91423 1 09:12:56 /opt/homebrew/opt/node/bin/node ...

Choose No for that prompt for now. It’s only archiving orphan transcript files, and it’s not the thing blocking this lock.

The important bit is that pid 91423 is your live gateway process and it has been running 9h, so the lock is owned by the gateway itself. Do this next:

openclaw gateway restart
openclaw doctor --fix
openclaw status --all

After restart, if doctor asks again about orphan transcripts, it’s usually safe because it renames them to *.deleted.<timestamp>, but I’d first confirm the session lock error is gone. If it still repeats on 2026.5.22 after restart, update OpenClaw and rerun doctor.

slow vine May 27, 2026, 4:12 AM

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why is session lock exists?

hallow oakBOT May 27, 2026, 4:12 AM

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slow vine why is session lock exists?

A session lock exists to prevent two writers from modifying the same session transcript at the same time.

OpenClaw stores the conversation in a .jsonl session file. When the gateway is running an agent turn, compacting, rewriting, or appending to that transcript, it creates:

<session>.jsonl.lock

That lock is normal while work is active. It becomes a problem when another run waits 60s and still can’t get the lock, which usually means one of these:

a long or wedged agent run is still holding it
the gateway was interrupted and didn’t release it cleanly
two paths tried to write the same transcript at once
an older version has a lock cleanup/concurrency bug

In your case the lock owner pid is the live gateway process, so don’t manually delete it while that process is running. Restarting the gateway is the clean fix because it releases in-process locks and lets startup cleanup stale lock files.

slow vine May 27, 2026, 4:13 AM

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how do i prevent this error from occuring in the future

hallow oakBOT May 27, 2026, 4:13 AM

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slow vine how do i prevent this error from occuring in the future

To reduce the chance of it happening again:

Update OpenClaw. You’re on 2026.5.22; session lock handling has had recent fixes. After updating, run:
```
openclaw doctor --fix
openclaw gateway restart
```
Avoid running two gateways against the same ~/.openclaw state dir. One daemon + one manual openclaw gateway ... can fight over the same session files.
Restart cleanly instead of force-killing when possible:
```
openclaw gateway restart
```
Hard kills can leave lock files behind until doctor/startup cleanup catches them.
Don’t spam the same stuck session with repeated messages while it is still thinking/tooling. The queue should serialize, but a wedged run can keep the transcript lock held.
Keep sessions from getting huge. Your context was already ~70k/128k. If one Telegram thread gets long, start a fresh session or reset/archive old context.
If it repeats, capture:

hallow oakBOT May 27, 2026, 4:13 AM

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slow vine how do i prevent this error from occuring in the future

  openclaw status --all
  openclaw logs --max-bytes 200000

and file it as a GitHub issue: https://github.com/openclaw/openclaw/issues

The main prevention is: update, don’t run duplicate gateways, and let doctor --fix clean stale session locks after abnormal shutdowns.

slow vine May 27, 2026, 4:14 AM

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if i do a new session wont it lose its context and the conversation we've had?

hallow oakBOT May 27, 2026, 4:14 AM

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slow vine if i do a new session wont it lose its context and the conversation we've had?

Yes, a fresh session won’t automatically carry the full chat transcript with it. That’s the tradeoff: it avoids dragging a huge or wedged transcript forward, but the new session starts with less conversational context.

Practical way to do it without losing the important parts:

Ask the old session for a short handoff summary before resetting, if it still responds:

Summarize the important context, decisions, current goals, and any config details I should carry into a new session.

Start the new session.
Paste that summary as the first message.

Durable files like memory/workspace notes may still be available depending on your setup, but the exact turn-by-turn conversation history is session-specific. For long troubleshooting threads, a summary handoff is usually cleaner than keeping a 70k-token session alive forever.

slow vine May 27, 2026, 4:16 AM

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question, is it possible to have an auto-fixer for openclaw, like when an error happens it will search the web and docs, fix it automatically and independantly?

hallow oakBOT May 27, 2026, 4:16 AM

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slow vine question, is it possible to have an auto-fixer for openclaw, like when an error ...

Possible, yes. Fully automatic and independent, I’d be careful.

OpenClaw already has the safer version of this idea in pieces:

openclaw doctor / openclaw doctor --fix for known repairable problems
openclaw status --all for collecting useful diagnostics
scheduled/cron agents for periodic checks
tools that can read docs/web/logs and suggest fixes

The risky part is “fix it automatically.” Some fixes are safe, like removing stale lock files, validating config, or disabling unavailable skills. Others can break auth, delete useful state, expose secrets, restart services at a bad time, or rewrite config incorrectly. So the best design is probably:

detect the error from logs/status
search local docs first, then web/docs if needed
propose a small fix with exact commands
auto-apply only low-risk allowlisted repairs
ask before restarts, deletes, auth/config rewrites, installs, or anything destructive

hallow oakBOT May 27, 2026, 4:16 AM

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slow vine question, is it possible to have an auto-fixer for openclaw, like when an error ...

So: yes, an “auto-triage + safe autofix” agent is realistic. A “do anything independently” repair bot is the part I would not trust without guardrails. For OpenClaw itself, that kind of improvement would be a good feature request/issue if you want to describe the workflow: https://github.com/openclaw/openclaw/issues

Docs starting points: https://docs.openclaw.ai/help/faq and https://docs.openclaw.ai/gateway/doctor

#session locked