{"record":{"id":"32be48d64f1cce48","repo":"davila7/claude-code-templates","slug":"warning-error-closing-watcher","errorCode":null,"errorMessage":"Warning: Error closing watcher:","messagePattern":"Warning: Error closing watcher:","errorType":"console","errorClass":null,"httpStatus":null,"severity":"info","filePath":"cli-tool/src/analytics/core/FileWatcher.js","lineNumber":334,"sourceCode":"        this.claudeDir, \n        this.dataRefreshCallback, \n        this.processRefreshCallback\n      );\n    }\n  }\n\n  /**\n   * Stop and cleanup all watchers and intervals\n   */\n  stop() {\n    console.log(chalk.red('🛑 Stopping file watchers...'));\n\n    // Close all watchers\n    this.watchers.forEach(watcher => {\n      try {\n        watcher.close();\n      } catch (error) {\n        console.warn(chalk.yellow('Warning: Error closing watcher:'), error.message);\n      }\n    });\n\n    // Clear all intervals\n    this.intervals.forEach(intervalId => {\n      clearInterval(intervalId);\n    });\n\n    // Reset arrays\n    this.watchers = [];\n    this.intervals = [];\n    this.isActive = false;\n  }\n\n  /**\n   * Get watcher status\n   * @returns {Object} Status information\n   */","sourceCodeStart":316,"sourceCodeEnd":352,"githubUrl":"https://github.com/davila7/claude-code-templates/blob/a0851ed10c7c60463dac8cfaaca124cf32d5804d/cli-tool/src/analytics/core/FileWatcher.js#L316-L352","documentation":"FileWatcher.stop() warns when closing an individual fs.FSWatcher throws. Watchers are iterated and each close() is wrapped in try/catch so one failing close doesn't abort shutdown of the rest.","triggerScenarios":"watcher.close() throwing on an already-closed or invalidated watcher (EBADF), or on some platforms when the watched directory was removed before close.","commonSituations":"Watched project directories deleted or renamed before stop(); rapid start/stop cycles (resume calls stop) closing watchers twice; platform quirks on Windows/network mounts.","solutions":["Ignore — the watcher is being torn down anyway; the warning is cosmetic","Avoid double-stop: guard stop() with a running flag","Ensure watched directories still exist before stop, or detach deletions first","Upgrade the CLI if double-close was fixed in a newer version"],"exampleFix":"// before\nstop() {\n  this.watchers.forEach(w => w.close());\n}\n// after — idempotent stop\nstop() {\n  this.watchers.forEach(w => { try { w.close(); } catch {} });\n  this.watchers.clear();\n  this.running = false;\n}","handlingStrategy":"try-catch","validationCode":"// Make close idempotent so double-stop never throws\nif (!this.running) return;","typeGuard":null,"tryCatchPattern":"this.watchers.forEach(w => { try { w.close(); } catch (e) { /* swallow: teardown */ } });\nthis.watchers.clear();","preventionTips":["Track a running flag to prevent double stop/resume cycles","Clear the watcher set after closing","Treat watcher-close warnings as cosmetic noise"],"tags":["file-watcher","shutdown","idempotent"],"backgroundTag":"watcher-close-error","analyzedSha":"a0851ed10c7c60463dac8cfaaca124cf32d5804d","analyzedAt":"2026-08-28T14:11:56.058Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}