Recreate

• Start creating a page
• Add a office doc to the page
• Wait for previewer to get polled
• Save page
• Now you can see that the document is back to it's thumbnail
• Check the server, the conversion is saved for the draft page, and for the saved page.

Server
Conversion are saved in <CONFLUENCE_HOME>/shared-home

> find . -name *<attachment_id>*
./dcl-thumbnail/74/24/2524324/2524323_1mime
./dcl-thumbnail/74/24/2524324/2524323_1
./dcl-thumbnail/72/24/2524322/2524323_1mime
./dcl-thumbnail/72/24/2524322/2524323_1
./dcl-document/74/24/2524324/2524323_1mime
./dcl-document/74/24/2524324/2524323_1
./dcl-document/72/24/2524322/2524323_1mime
./dcl-document/72/24/2524322/2524323_1

2524322 = Drafts page
2524324 = Saved page

Solutions

• Transfer conversions from drafts to saved page
  or
• Do not start conversion for the draft, it's a waste of time/cpu/power