deepseek-ai/deepseek-harness · error · FsError

FS_IO_ERROR

FS_IO_ERROR

Error message

cannot read "${displayPath}": ${String(error)}

What it means

Error "cannot read "${displayPath}": ${String(error)}" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/e2b/fs-e2b/src/index.ts:107

function commandOpts(signal: AbortSignal | undefined): { envs: Record<string, string>; signal?: AbortSignal } {
  return { envs: e2bControlEnvs(), ...signalOpts(signal) }
}

async function openReadStream(
  sandbox: Sandbox,
  target: FsTarget,
  signal: AbortSignal | undefined,
): Promise<ReadableStream<Uint8Array>> {
  try {
    // The pinned SDK's stream overload lies for empty files: content-length 0
    // returns '' instead of a ReadableStream.
    const read = await sandbox.files.read(String(target.targetKey), { format: 'stream', ...signalOpts(signal) }) as
      ReadableStream<Uint8Array> | string
    return typeof read === 'string'
      ? new ReadableStream<Uint8Array>({ start(controller) { controller.close() } })
      : read
  } catch (error: unknown) {
    throw mapError(error, 'read', target.displayPath, signal)
  }
}

function entryType(entry: EntryInfo): FsInfo['type'] {
  switch (entry.type) {
    case FileType.FILE:
      return 'file'
    case FileType.DIR:
      return 'directory'
    default:
      return 'other'
  }
}

function entryVersion(entry: EntryInfo): ReturnType<typeof FsVersion> {
  const facts = JSON.stringify([
    entry.metadata?.[VERSION_METADATA_KEY],
    entry.path,

View on GitHub (pinned to b150a551b8)

Solutions

1. Check that the path exists in the E2B sandbox and that the sandbox is running; verify permissions.

When it happens

Trigger: Thrown at packages/e2b/fs-e2b/src/index.ts:107 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/b16e5477f1a73f24. Report an issue: GitHub.