deepseek-ai/deepseek-harness · error · FsError

FS_NOT_FOUND

FS_NOT_FOUND

Error message

file_path must be a non-empty string

What it means

Error "file_path must be a non-empty string" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/e2b/fs-e2b/src/index.ts:178

    matches += 1
    offset = found + oldString.length
  }
  if (matches === 0) throw new FsError(`cannot edit "${displayPath}": old_string was not found`, 'FS_EDIT_NOT_FOUND')
  if (!request.replaceAll && matches !== 1) {
    throw new FsError(`cannot edit "${displayPath}": old_string matched ${matches} times`, 'FS_AMBIGUOUS_EDIT')
  }
  return request.replaceAll ? content.split(oldString).join(newString) : content.replace(oldString, newString)
}

/** Remote filesystem backend sharing the sandbox owned by `ctx.e2b`. */
export class E2BFileSystem extends FileSystem {
  static inject = ['e2b']

  private readonly locks = new Map<string, Promise<unknown>>()

  override async resolve(path: string, opts?: { cwd?: string; signal?: AbortSignal }): Promise<FsTarget> {
    assertNotAborted(opts?.signal, 'resolve')
    if (path.trim().length === 0) throw new FsError('file_path must be a non-empty string', 'FS_NOT_FOUND')
    const displayPath = posix.resolve(opts?.cwd ?? this.ctx.e2b.cwd, path)
    try {
      const sandbox = await this.ctx.e2b.getSandbox()
      const targetKey = await this.canonicalPath(sandbox, displayPath, opts?.signal)
      assertNotAborted(opts?.signal, 'resolve')
      return { targetKey: FsTargetKey(targetKey), displayPath }
    } catch (error: unknown) {
      throw mapError(error, 'resolve', displayPath, opts?.signal)
    }
  }

  override processPath(target: FsTarget): string {
    return String(target.targetKey)
  }

  override fileUrl(target: FsTarget): string {
    const path = this.processPath(target)
    if (!posix.isAbsolute(path)) throw new Error(`fs-e2b: expected an absolute process path: ${JSON.stringify(path)}`)

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/e2b/fs-e2b/src/index.ts:178 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/c2c4ac54f8341af6. Report an issue: GitHub.