Cannot save snapshot. Invalid response from server

Modified on: Wed, 5 Feb, 2020 at 9:39 PM

Operations Automation Operations Automation:6.0 Operations Automation:6.x

Symptoms

Cannot save/list the snapshots in WPB editor:
```
error: Invalid response from server
```

The log of Presence Builder (sitebuilder.log) contain the error messages (can also be found with firebug):

2017-01-05T17:16:28+01:00       [EMERG] /JsonApi/       Base_SyntaxException: DOMDocument::loadXML(): Empty string supplied as input

Shanpshot file(s) have zero size, and WPB cannot interpret it when the list of snapshots is requested.

Find and remove empty snapshot files from the folder (replace the webspace it with actual one):

find /var/www/vhosts/1/101101/webspace/siteapps/ParallelsPresenceBuilder-282832/htdocs/data/snapshots/ -type f -size 0 | xargs rm

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