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[Bug]: 18789 port is in use when the startup of OpenClaw 2026.4.5, when configuring the new dreaming schedule #62276

Description

@coddz

Bug type

Regression (worked before, now fails)

Beta release blocker

No

Summary

the startup of OpenClaw 2026.4.5 is failure.
After configuring the new dreaming,

Steps to reproduce

(base) PS F:\working\openclaw> openclaw gateway --port 18789
11:32:54+08:00 [plugins] [lcm] Plugin loaded (enabled=true, db=C:\Users\coddz.openclaw\lcm.db, threshold=0.75)
11:32:54+08:00 [plugins] [lcm] Compaction summarization model: (unconfigured)

🦞 OpenClaw 2026.4.5 (3e72c03) — I can't fix your code taste, but I can fix your build and your backlog.

|
o
11:32:54+08:00 [gateway] loading configuration…
11:32:54+08:00 [gateway] resolving authentication…
11:32:54+08:00 [gateway] starting...
11:32:55+08:00 [gateway] feishu_doc: Registered feishu_doc, feishu_app_scopes
11:32:55+08:00 [gateway] feishu_chat: Registered feishu_chat tool
11:32:55+08:00 [gateway] feishu_wiki: Registered feishu_wiki tool
11:32:55+08:00 [gateway] feishu_drive: Registered feishu_drive tool
11:32:55+08:00 [gateway] feishu_bitable: Registered bitable tools
11:32:55+08:00 [gateway] [lcm] Ignoring sessions matching 1 pattern(s): agent:*:cron:**
11:32:55+08:00 [gateway] starting HTTP server...
11:32:55+08:00 [canvas] host mounted at http://127.0.0.1:18789/__openclaw__/canvas/ (root C:\Users\coddz.openclaw\canvas)
11:32:57+08:00 Gateway failed to start: another gateway instance is already listening on ws://127.0.0.1:18789
If the gateway is supervised, stop it with: openclaw gateway stop
11:32:57+08:00 Port 18789 is already in use.
11:32:57+08:00 - Port is in use but process details are unavailable (install lsof or run as an admin user).
11:32:57+08:00 Gateway service appears registered. Stop it first.
11:32:57+08:00 Tip: openclaw gateway stop
11:32:57+08:00 Or: schtasks /End /TN "OpenClaw Gateway"

Expected behavior

testing dreaming schedule of OpenClaw 2026.4.5

Actual behavior

18789 port is in use when the startup of OpenClaw 2026.4.5, when configuring the new dreaming schedule

OpenClaw version

2026.4.5

Operating system

Window11

Install method

No response

Model

minimax

Provider / routing chain

openclaw-minimax

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

No response

Additional information

No response

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    P2Normal backlog priority with limited blast radius.bugSomething isn't workingclawsweeper:needs-live-reproClawSweeper needs live local, crabbox, or manual validation to confirm this issue.clawsweeper:needs-maintainer-reviewClawSweeper marked this issue as needing maintainer review before automation.clawsweeper:needs-product-decisionClawSweeper marked this issue as needing a product or behavior decision.clawsweeper:no-new-fix-prClawSweeper does not recommend queueing a new automated fix PR for this issue.impact:crash-loopCrash, hang, restart loop, or process-level availability failure.issue-rating: 🐚 platinum hermitGood issue quality with a plausible reproduction path needing some confirmation.regressionBehavior that previously worked and now failsstaleMarked as stale due to inactivity

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