windmill-labs/windmill · error

Failed to upload scripts to temp storage (backend may be too

Error message

Failed to upload scripts to temp storage (backend may be too old): ${e}. Locks will be generated using deployed script versions only — locally modified relative imports may not be reflected.

What it means

Error "Failed to upload scripts to temp storage (backend may be too old): ${e}. Locks will be generated using deployed script versions only — locally modified relative imports may not be reflected." thrown in windmill-labs/windmill.

Source

Thrown at cli/src/commands/sync/sync.ts:5072

      true,
      true,
      tree,
    );
    if (!autoRegenerate && stale) {
      staleApps.push(stale as string);
    }
  }

  if (autoRegenerate && tree) {
    // Propagate staleness through imports + upload script content to
    // raw_script_temp so the dep job can resolve cross-folder relative imports
    // via temp_script_refs (instead of hitting 404s for not-yet-deployed
    // scripts and recording lock_error_logs).
    tree.propagateStaleness();
    try {
      await uploadScripts(tree, workspace);
    } catch (e) {
      log.warn(
        colors.yellow(
          `Failed to upload scripts to temp storage (backend may be too old): ${e}. ` +
            `Locks will be generated using deployed script versions only — locally modified ` +
            `relative imports may not be reflected.`,
        ),
      );
    }

    // Pass 2: actually generate metadata/locks. Threading `tree` makes
    // generateScriptMetadataInternal include temp_script_refs in the
    // dependencies_async request so the dep job resolves relative imports
    // against raw_script_temp.
    for (const change of tracker.scripts) {
      const generated = await generateScriptMetadataInternal(
        change,
        workspace,
        opts,
        false,

View on GitHub (pinned to e474e8803c)

Solutions

  1. Upgrade the backend so it supports raw_script_temp uploads
  2. Deploy the imported scripts first, then push the lock regeneration
  3. Accept the degraded locks and re-run generate-metadata after the referenced scripts are deployed
Defensive patterns

Strategy: fallback

When it happens

Trigger: Thrown at cli/src/commands/sync/sync.ts:5072 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of windmill-labs/windmill@e474e8803c (2026-09-03). Data as JSON: /api/errors/336e0b6db326d885. Report an issue: GitHub.