org.nuxeo.ecm.platform.webapp.base.properties Properties controlling Drag&Drop behaviors:

• org.nuxeo.dnd.upload.timeout: maximum time for uploading a file via Drag&Drop to the server.
• org.nuxeo.dnd.exec.timeout: maximum time for executing import of files uploaded via Drag&and Drop
• org.nuxeo.dnd.extendedmode.timeout: mouse over time before switching to extended mode UI (setting to -1 disables the extended mode)

30000 30000 2000