deepseek-ai/deepseek-harness · error

settings: a settings/updated listener for "%s" failed

Error message

settings: a settings/updated listener for "%s" failed

What it means

Error "settings: a settings/updated listener for "%s" failed" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/settings/settings/src/index.ts:809

        if ((error as { code?: unknown } | null)?.code === 'INVARIANT') {
          invariantFailure ??= error
          continue
        }
        this.warnListenerFailure(registration.ns, error)
      }
    }
    if (invariantFailure !== undefined) throw invariantFailure as Error
  }

  /** Contained-watcher diagnostic shared by the sync and async failure paths. */
  private warnWatcherFailure(ns: SettingsNamespace, error: unknown): void {
    this.ctx.logger.warn('settings: watcher for "%s" failed', ns)
    this.ctx.logger.warn(error)
  }

  /** Contained-listener diagnostic shared by the sync and async failure paths. */
  private warnListenerFailure(ns: SettingsNamespace, error: unknown): void {
    this.ctx.logger.warn('settings: a settings/updated listener for "%s" failed', ns)
    this.ctx.logger.warn(error)
  }
}

/**
 * Value mirror of the `FiberState` members {@link isUnloading} compares
 * against: a const enum has no runtime object to import, and the value is
 * needed at runtime (same rationale as the CLI boot driver's mirror).
 */
const FIBER_DISPOSED = 4
const FIBER_UNLOADING = 5

/** Whether the consumer's own fiber is tearing down (not just losing the settings service). */
function isUnloading(ctx: Context): boolean {
  const state: number = ctx.fiber.state
  return state === FIBER_UNLOADING || state === FIBER_DISPOSED
}

View on GitHub (pinned to b150a551b8)

Solutions

1. Fix the throwing settings/updated listener for the named key; its exception is caught and logged.

When it happens

Trigger: Thrown at packages/settings/settings/src/index.ts:809 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of deepseek-ai/deepseek-harness@b150a551b8 (2026-08-24). Data as JSON: /api/errors/f159fe55352f1407. Report an issue: GitHub.