deepseek-ai/deepseek-harness · error · Error

file_path must be a non-empty string

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/fs/tool-fs/src/read-image.ts:193

    parameters: {
      file_path: { type: 'string', required: true, description: 'Path to the image file, resolved by the filesystem backend.' },
    },
    output: {
      schema: {
        type: 'object',
        additionalProperties: false,
        properties: {
          path: { type: 'string', required: true },
          image: IMAGE_VALUE_SCHEMA,
        },
      },
      render: (_args, value) => imageReadContent(value),
    },
    // Content-addressed attachment writes are idempotent, so concurrent reads
    // of the same file cannot conflict.
    isConcurrencySafe: () => true,
    async execute(args, exec) {
      if (args.file_path.trim().length === 0) throw new Error('file_path must be a non-empty string')

      // Every gate runs before any filesystem I/O so a refusal never leaks
      // partial reads or attachment writes.
      const mediaType = imageMediaTypeForPath(args.file_path)
      if (mediaType === undefined) {
        throw new Error(`cannot read "${args.file_path}": read_image only accepts PNG/JPEG/WebP/GIF paths`)
      }
      const attachments = ctx.get('attachments')
      if (attachments === undefined) {
        throw new Error(`cannot read "${args.file_path}" as an image: no attachment service is mounted`)
      }
      if (!attachments.imageLimits.mediaTypes.includes(mediaType)) {
        throw new Error(`cannot read "${args.file_path}": ${mediaType} images are not accepted by this deployment`)
      }
      await assertImageCapableRoute(ctx, exec, args.file_path)

      const { target, info } = await resolveRegularReadTarget(ctx, exec, args.file_path)

View on GitHub (pinned to b150a551b8)

When it happens

Trigger: Thrown at packages/fs/tool-fs/src/read-image.ts:193 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/abc117319e47e458. Report an issue: GitHub.