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unknown / Miniflare

Calling Miniflare#dispose() a second time rejects with ERR_SERVER_NOT_RUNNING, causing skipped cleanup steps.

Calling Miniflare#dispose() a second time rejects with ERR_SERVER_NOT_RUNNING, causing skipped cleanup steps.

Problem statement normalized from the linked evidence
CANDIDATE VIEW · NOT A PUBLISHED OPPORTUNITY
01

Qualification checklist

Gate decision: Aug 15, 2026

×
At least 3 independent users2 / 3
NOT MET
×
At least 2 independent discussions1 / 2
NOT MET
×
At least 1 supporting signal1 Workarounds
NOT MET
02

Observed signals

Users2
Discussions1
Mentions2
Active days1
Source coverageGitHub
TrendUNKNOWN
First seenAug 09, 2026
Last seenAug 09, 2026

Why the gate is holding

  • Fewer than 3 independent users
  • Fewer than 2 independent discussions
  • No supporting growth, persistence, intent, workaround, alternative, blocked-workflow, or cross-source signal

Competition research, commercial scoring, and Build Gap analysis do not run until this gate passes.

03

Source evidence

2 evidence records

github · MEDIUM · Aug 09, 2026

cloudflare/workers-sdk

> [!NOTE] > This is an automated, advisory triage report generated by workers-devprod. It is not an official maintainer response — a maintainer will follow up. 🤖 Automated triage report # Issue Triage: cloudflare/workers-sdk#15097 ## Summary `Miniflare#dispose()` is not idempotent: a second call rejects with `ERR_SERVER_NOT_RUNNING` and aborts the rest of the teardown, leaking the dev registry file watcher, Hyperdrive proxy servers, and the instance registry entry. ## Classification - **Type:** Bug - **Component:*…
BUG

workers-devprod · cloudflare/workers-sdk

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github · HIGH · Aug 09, 2026

Miniflare#dispose() rejects with ERR_SERVER_NOT_RUNNING when called twice, skipping the rest of its cleanup

### What versions & operating system are you using? `miniflare` 5.20260801.1-alpha (reproduced against `main` @ 6dbd192f1), Node v24.14.1, macOS 15. ### Please provide a link to a minimal reproduction Inline below — six lines, no config or account needed. ### Describe the Bug Calling `Miniflare#dispose()` a second time rejects with `ERR_SERVER_NOT_RUNNING` ("Server is not running."). `dispose()` has no "already disposed" guard, so a second call re-runs the whole teardown sequence. Two of those steps close a Node HT…
BUG

LeSingh1 · cloudflare/workers-sdk

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