deepseek-ai/deepseek-harness · error · FsError

FS_NOT_DIRECTORY

FS_NOT_DIRECTORY

Error message

cannot list "${target.displayPath}": not a directory

What it means

Error "cannot list "${target.displayPath}": not a directory" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/fs/fs-local/src/fsio.ts:291

/**
 * List direct children of a directory in stable name order. Each child includes
 * a resolved target plus stat metadata when still available; file contents are
 * never read.
 * @param target - the resolved directory to list; a missing or non-directory target throws.
 * @param signal - aborts the listing, checked between children (`FS_ABORTED`).
 * @returns one entry per direct child, sorted by name.
 */
export async function listDirectory(target: LocalTarget, signal?: AbortSignal): Promise<LocalDirEntry[]> {
  throwIfAborted(signal, 'list')
  let info: PathInfo | null
  try {
    info = await probe(target.targetKey)
  } catch (error: unknown) {
    throw listingIoError(target.displayPath, error)
  }
  if (!info) throw new FsError(`cannot list "${target.displayPath}": not found`, 'FS_NOT_FOUND')
  if (info.type !== 'directory') throw new FsError(`cannot list "${target.displayPath}": not a directory`, 'FS_NOT_DIRECTORY')

  let entries: Dirent[]
  try {
    entries = await readdir(target.targetKey, { withFileTypes: true, encoding: 'utf8' })
  } catch (error: unknown) {
    /* v8 ignore next -- requires permission/kernel failure from readdir after a successful directory stat. */
    throw listingIoError(target.displayPath, error)
  }
  throwIfAborted(signal, 'list')

  const result: LocalDirEntry[] = []
  for (const entry of entries.sort((left, right) => left.name.localeCompare(right.name))) {
    throwIfAborted(signal, 'list')
    try {
      const childTarget = await resolveListedChildTarget(target, entry.name)
      const childInfo = await probe(childTarget.targetKey)
      result.push({
        name: entry.name,

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/fs/fs-local/src/fsio.ts:291 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/c0ad48c82e30de7b. Report an issue: GitHub.