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Article ID: 130115, created on Jan 5, 2017, last review on Jan 5, 2017

  • Applies to:
  • Operations Automation 6.0


  1. Cannot save/list the snapshots in WPB editor:

    error: Invalid response from server
  2. 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 

5356b422f65bdad1c3e9edca5d74a1ae caea8340e2d186a540518d08602aa065 e12cea1d47a3125d335d68e6d4e15e07 956c448bddc7e1f3585373687602379f 6f1456866eed87488c0f02b298a741c0

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