deepseek-ai/deepseek-harness · error · AttachmentError

ATTACHMENT_WRITE_FAILED

ATTACHMENT_WRITE_FAILED

Error message

Unable to persist image attachment.

What it means

Error "Unable to persist image attachment." thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/attachment/attachment-local/src/store.ts:239

    // that writer reaches its own durability boundary.
    await syncDirectory(bucket)
    await syncDirectory(join(root, 'objects'))
    await unlink(temporary)
  } catch (error) {
    /* v8 ignore next -- A descriptor can remain open only when the underlying write/sync/close operation fails. */
    if (handle !== undefined) await handle.close().catch(
      /* v8 ignore next -- Close failure is superseded by the storage operation that entered cleanup. */
      () => {},
    )
    await unlink(temporary).catch(
      /* v8 ignore next -- The callback requires a second independent staging-unlink failure. */
      (cleanupError: unknown) => {
        /* v8 ignore next -- Cleanup is best-effort only for a staging file already removed by a failed operation. */
        if (!(cleanupError instanceof Error && 'code' in cleanupError && cleanupError.code === 'ENOENT')) throw cleanupError
      },
    )
    if (error instanceof AttachmentError) throw error
    throw new AttachmentError('Unable to persist image attachment.', 'ATTACHMENT_WRITE_FAILED', { cause: error })
  }
  return prepared.ref
}

/**
 * Decode and normalize one image once, then publish the prepared object.
 * @param root - absolute `DSH_HOME/attachments/v1` root.
 * @param input - submitted encoded bytes and declared media type.
 * @param limits - resolved source admission policy.
 * @param policy - resolved normalization policy.
 * @returns durable content-addressed normalized image reference.
 */
export async function saveImageFile(
  root: string,
  input: SaveImageAttachment,
  limits: ImageAttachmentLimits,
  policy: NormalizationPolicy,
): Promise<ImageAttachmentRef> {

View on GitHub (pinned to b150a551b8)

Solutions

1. Check storage permissions and free disk space, then retry persisting the image.

When it happens

Trigger: Thrown at packages/attachment/attachment-local/src/store.ts:239 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/2cd354ec759f7baa. Report an issue: GitHub.