Can't successfuly upload a file referenced with the file manager.

Use the bach upload section to create a batch
Go into the command section
Select the POST /site/automation/Blob.AttachOnDocument operation
Select the previously created batch
Select a document
Run the request

obtained:
com.sun.jersey.api.NotFoundException: null for uri: http://localhost:8080/nuxeo/site/automation/batch/execute

Expected: document attached on the document.