deepseek-ai/deepseek-harness · error · Error

agent "${ownerId}" is not the registered agent instance (bac

Error message

agent "${ownerId}" is not the registered agent instance (background job owner must be live)

What it means

Error "agent "${ownerId}" is not the registered agent instance (background job owner must be live)" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/jobs/jobs-local/src/index.ts:455

        this.selfCtx.logger.warn(`jobs: onJobDone listener threw for ${job.id}: ${String(error)}`)
      }
    }
  }

  /**
   * Attach one awaited cleanup through the exact owner's scope. This survives
   * producer reloads and joins agent quiescence; the retained disposer lets
   * service teardown detach the cross-fiber effect. Fails when the registry is
   * absent or the owner is not its currently registered instance.
   */
  private ensureOwnerCleanup(owner: Agent): void {
    const ownerId = owner.id
    const agents = this.selfCtx.get('agents')
    if (agents === undefined) {
      throw new Error('background job ownership requires the agent registry (load @deepseek-ai/dsh-agent)')
    }
    if (agents.get(ownerId) !== owner) {
      throw new Error(`agent "${ownerId}" is not the registered agent instance (background job owner must be live)`)
    }
    if (this.ownerCleanups.has(owner)) return
    // Record only after attach succeeds; a disposing scope rejects new effects.
    const detach = owner.ctx.effect(() => async () => {
      this.ownerCleanups.delete(owner)
      await this.disposeOwned(owner)
    }, 'jobs.ownerCleanup()')
    this.ownerCleanups.set(owner, detach)
  }

  /** Cancel, await terminal records, and drop every job owned by one exact agent lifecycle. */
  private async disposeOwned(owner: Agent): Promise<void> {
    const owned = [...this.store.values()].filter(job => job.owner === owner)
    this.cancelForTeardown(owned, 'owner disposed')
    await Promise.all(owned.map(job => job.settled))
    for (const job of owned) this.store.delete(job.id)
    // Removal is the one visible-set change no per-job record carries, so it
    // must be announced here or an observer keeps the dropped rows forever.

View on GitHub (pinned to b150a551b8)

Solutions

1. Start the job from the live registered agent instance for that owner id.

When it happens

Trigger: Thrown at packages/jobs/jobs-local/src/index.ts:455 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/c71916c7886c631d. Report an issue: GitHub.