deepseek-ai/deepseek-harness · error · FsError

FS_NOT_REGULAR_FILE

FS_NOT_REGULAR_FILE

Error message

The path ${target.displayPath} is a directory and only the `view` command can be used on directories

What it means

Error "The path ${target.displayPath} is a directory and only the `view` command can be used on directories" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/fs/tool-str-replace-editor/src/index.ts:115

  return ctx.fs.resolve(path, { signal })
}

async function statExisting(
  ctx: Context,
  target: FsTarget,
  command: 'view' | 'str_replace' | 'insert',
  exec: ToolRunContext,
): Promise<FsInfo> {
  const info = await ctx.fs.stat(target, exec.signal)
  if (info === undefined) {
    ctx.emit('fs/observed', target, { kind: 'absent' }, exec)
    throw new FsError(
      `The path ${target.displayPath} does not exist. Please provide a valid path.`,
      'FS_NOT_FOUND',
    )
  }
  if (info.type === 'directory' && command !== 'view') {
    throw new FsError(
      `The path ${target.displayPath} is a directory and only the \`view\` command can be used on directories`,
      'FS_NOT_REGULAR_FILE',
    )
  }
  return info
}

function requiredForCommand(
  value: string | undefined,
  parameter: string,
  command: string,
  allowEmpty = true,
): string {
  if (value === undefined) throw new Error(`Parameter \`${parameter}\` is required for command: ${command}`)
  if (!allowEmpty && value.length === 0) {
    throw new Error(`Parameter \`${parameter}\` is empty for command: ${command}`)
  }
  return value

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/fs/tool-str-replace-editor/src/index.ts:115 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/63a67f05953c6d21. Report an issue: GitHub.