deepseek-ai/deepseek-harness · error · Error

source "${filePath}" resolves outside the workspace

Error message

source "${filePath}" resolves outside the workspace

What it means

Error "source "${filePath}" resolves outside the workspace" thrown in deepseek-ai/deepseek-harness.

Source

Thrown at packages/lsp/lsp-stdio/src/host.ts:92

  filePath: string,
  workspace: HostWorkspace,
  maxDocumentBytes: number,
  signal?: AbortSignal,
): Promise<HostSource> {
  throwIfAborted(signal)
  let target: FsTarget
  try {
    target = await fs.resolve(filePath, {
      cwd: workspace.canonicalPath,
      ...signal === undefined ? {} : { signal },
    })
  } catch (error: unknown) {
    throwIfAborted(signal)
    throw new Error(`source "${filePath}" cannot be resolved: ${messageOf(error)}`, { cause: error })
  }
  throwIfAborted(signal)
  if (!fs.contains(workspace.target, target)) {
    throw new Error(`source "${filePath}" resolves outside the workspace`)
  }
  const chunks: string[] = []
  let bytes = 0
  try {
    // XXX(lsp-source-replacement): Revisit stable-handle identity only if a real query observes
    // replacement between canonical containment and the provider opening this stream.
    const stream = await fs.streamText(target, signal)
    for await (const chunk of stream) {
      throwIfAborted(signal)
      bytes += Buffer.byteLength(chunk)
      if (bytes > maxDocumentBytes) break
      chunks.push(chunk)
    }
  } catch (error: unknown) {
    throwIfAborted(signal)
    throw new Error(`source "${filePath}" could not be read: ${messageOf(error)}`, { cause: error })
  }
  if (bytes > maxDocumentBytes) {

View on GitHub (pinned to b150a551b8)

Solutions

1. Pass only paths that resolve inside the workspace root.

When it happens

Trigger: Thrown at packages/lsp/lsp-stdio/src/host.ts:92 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/7cd1d545f8819781. Report an issue: GitHub.