paperclipai/paperclip · error · Error

Daytona syncOut directory download failed for

Error message

Daytona syncOut directory download failed for ${mapping.sourcePath}: ${response?.error ?? "no response returned"}

What it means

Daytona sandbox provider error: downloading the syncOut directory from the Daytona workspace failed for the mapped source path; the message includes the provider error or notes that no response was returned.

Solutions

  1. Check the Daytona API error; verify the source directory exists and the sandbox is running, then retry.
Defensive patterns

Strategy: try-catch

When it happens

Trigger: Thrown at packages/plugins/sandbox-providers/daytona/src/file-sync.ts:964 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of paperclipai/paperclip@3f1d897a7c (2026-08-21). Data as JSON: /api/errors/017fc159c1cdf902. Report an issue: GitHub.

Appendix: source

Thrown at packages/plugins/sandbox-providers/daytona/src/file-sync.ts:1016

      const dirResult = await syncInDirectoryMapping({
        sandbox: input.sandbox,
        mapping,
        remoteDir: input.remoteDir,
        timeoutSeconds: input.timeoutSeconds,
      });
      filesTransferred += dirResult.filesTransferred;
      bytesTransferred += dirResult.bytesTransferred;
    }

    // Run the operation's ordered post-upload commands AFTER every file/directory
    // mapping of this operation has landed. Absent/empty → no extra exec.
    await runPostUploadCommands({
      sandbox: input.sandbox,
      commands: operation.postUploadCommands ?? [],
      remoteDir: input.remoteDir,
      timeoutSeconds: input.timeoutSeconds,
    });

    operations.push({ operationId: operation.operationId, filesTransferred, bytesTransferred });
  }
  return { operations };
}

// ---------------------------------------------------------------------------
// Outbound (sandbox → host)
// ---------------------------------------------------------------------------

async function syncOutFileMappings(input: {
  sandbox: Sandbox;
  mappings: PluginSyncFileMapping[];
  remoteDir: string;
  timeoutSeconds: number;
}): Promise<{ filesTransferred: number; bytesTransferred: number }> {
  const { sandbox, mappings, remoteDir, timeoutSeconds } = input;
  if (mappings.length === 0) return { filesTransferred: 0, bytesTransferred: 0 };

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