Can't Save or open in Source mode a large document

Steps to reproduce:

1. Configure the standard wiki with LibreOffice (6.2.4.2 used in this case)
2. Create a new page selecting Type - Page from Office
3. Select the attached document (003-[FREE]-French-Sanskrit-Tables-NoHeader-250Pages-DOC.doc)
4. Import (Can have the Filter style selected or deselected)
5. Access the page
6. Edit in WYSIWYG
7. Click on Source
8. Make any change
9. Save & View the page

Expected results: The doc is imported properly and can be accessed and Edited.

Actual results: The doc is imported but can't be edited or accessed in Source mode.
In the wiki console:

2019-06-20 17:02:21.808:WARN:oejs.HttpChannel:qtp17081105-18: /xwiki/bin/get/LibreOffice/Word%20docs%20with%20no%20filters/3/ org.eclipse.jetty.http.BadMessageException: 400: Unable to parse form content
2019-06-20 17:03:26.913:WARN:oejs.HttpChannel:qtp17081105-13: /xwiki/bin/preview/LibreOffice/Word%20docs%20with%20no%20filters/3/WebHome org.eclipse.jetty.http.BadMessageException: 400: Unable to parse form content