{"record":{"id":"8167a84cde9b2eca","repo":"ruvnet/ruflo","slug":"meta-proxy-v-version-did-not-become-the-effectiv","errorCode":null,"errorMessage":"Meta-Proxy v${version} did not become the effective daemon.","messagePattern":"Meta-Proxy v(.+?) did not become the effective daemon\\.","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/@claude-flow/cli/src/proxy/activation.ts","lineNumber":148,"sourceCode":"    child.unref();\n    fs.writeFileSync(proxyPidFilePath(), `${child.pid}\\n`, { mode: 0o600 });\n    return child.pid;\n  } finally { fs.closeSync(log); }\n}\n\nasync function launchAndVerify(binary: string, version: string, wait: Wait): Promise<EffectiveProxy> {\n  const pid = launch(binary);\n  for (let attempt = 0; attempt < 100; attempt++) {\n    await wait(50);\n    const current = await probeEffectiveProxy();\n    if (current?.pid === pid && current.version === version && path.resolve(current.executable) === path.resolve(binary)) return current;\n    if (current && current.pid !== pid) {\n      try { process.kill(pid, 'SIGTERM'); } catch { /* already exited */ }\n      throw new Error(`Competing Meta-Proxy pid ${current.pid} won the port with version ${current.version}.`);\n    }\n  }\n  try { process.kill(pid, 'SIGTERM'); } catch { /* already exited */ }\n  throw new Error(`Meta-Proxy v${version} did not become the effective daemon.`);\n}\n\nexport async function installAndActivateProxy(version: string, log?: (line: string) => void): Promise<InstallResult & { pid: number }> {\n  const wait = waitNormally;\n  const binary = proxyBinaryPath();\n  const manifest = proxyInstallManifestPath();\n  const binaryBackup = `${binary}.rollback`;\n  const manifestBackup = `${manifest}.rollback`;\n  let release: (() => void) | null = null;\n  let prior: EffectiveProxy | null = null;\n  try {\n    release = await acquireProxyInstallLease(wait);\n    prior = await stopEffective(wait);\n    fs.rmSync(binaryBackup, { force: true });\n    fs.rmSync(manifestBackup, { force: true });\n    if (fs.existsSync(binary)) fs.copyFileSync(binary, binaryBackup);\n    if (fs.existsSync(manifest)) fs.copyFileSync(manifest, manifestBackup);\n    const installed = await installProxy({ version, log });","sourceCodeStart":130,"sourceCodeEnd":166,"githubUrl":"https://github.com/ruvnet/ruflo/blob/29f048fc3b556f857cf2b126d2a84c19d2daa0d0/v3/@claude-flow/cli/src/proxy/activation.ts#L130-L166","documentation":"launchAndVerify() waits up to 100 × 50ms (5s) for the newly launched daemon to answer /version with the expected pid, version, and executable. If it never comes up in that window, the child is killed and this error is thrown — the new daemon failed to start or start fast enough.","triggerScenarios":"installAndActivateProxy() or effective() → launchAndVerify(): the spawned meta-proxy crashed at startup (bad config, missing permissions, port taken by something not answering /version), is slow to initialize on a loaded machine, or the probe endpoint can't reach it (e.g. unusual bind).","commonSituations":"First run on a machine with slow disk/network causing >5s startup; malformed proxy config crashing the daemon; the binary lacks execute permission or fails a dynamic-link check; SELinux/AppArmor blocking execution; port blocked by firewall for loopback HTTP probe.","solutions":["Inspect the daemon log at proxyLogFilePath() for the startup crash reason and fix it (config, permissions)","Verify the binary runs: ~/.metaharness/bin/meta-proxy (or proxyBinaryPath()) manually — check exit codes and missing shared libs (ldd)","Retry when the machine is less loaded, or increase the wait if you patched the code — the default is 5s","Confirm the bind is loopback (default 127.0.0.1:11435) and that local HTTP to that endpoint isn't blocked by security software"],"exampleFix":"// before\nchmod 644 ~/.metaharness/bin/meta-proxy   # not executable\n// after\nchmod 755 ~/.metaharness/bin/meta-proxy","handlingStrategy":"try-catch","validationCode":"// Preflight the binary can at least run before asking the library to launch it\nconst bin = proxyBinaryPath();\nfs.accessSync(bin, fs.constants.X_OK);\nconst check = spawnSync(bin, ['--version'], { timeout: 5000 });\nif (check.status !== 0) throw new Error(`meta-proxy cannot start: ${check.stderr?.toString()}`);","typeGuard":"null","tryCatchPattern":"try {\n  const res = await installAndActivateProxy(version);\n} catch (e) {\n  if (e instanceof Error && e.message.includes('did not become the effective daemon')) {\n    console.error('Check daemon log:', proxyLogFilePath());\n  } else throw e;\n}","preventionTips":["Validate the proxy config before installing — a bad config crashes the daemon at startup","Check the daemon log (proxyLogFilePath()) after any failed start","Ensure adequate permissions and no SELinux/AppArmor denial for the binary","On slow/loaded machines, expect first-start latency and retry once"],"tags":["startup","timeout","daemon","proxy"],"backgroundTag":"daemon-start-failed","analyzedSha":"29f048fc3b556f857cf2b126d2a84c19d2daa0d0","analyzedAt":"2026-09-01T11:37:30.251Z","contentChangedAt":"2026-09-01T11:37:30.251Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}