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Unable to create a backup or restore Web Presence Builder snapshot in Plesk for Windows: Invalid Snapshot

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Ivan Kamnev
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Plesk for Windows kb: bug

Applicable to:

  • Plesk for Windows

Symptoms

  • Unable to create a backup or restore Web Presence Builder snapshot in Plesk for Windows, the process fails with the error:

    PLESK_ERROR: Invalid Snapshot

    PLESK_ERROR: Unable to restore website

  • The following error can be found in the %plesk_dir%admin\logs\plesklog_sitebuilder.log file:

    CONFIG_TEXT: [EMERG] /sitebuilder/JsonApi/ PleskUtilException: filemng failed:
    Unexpected error at execute "C:\Program Files (x86)\Parallels\Plesk\admin\bin\filemng.exe" u0088675 base64 C:\inetpub\vhosts\example.com\httpdocs\data/snapshots/6e6c622a415484ff7a23038329113589.php(RunTime::RunAsUser::run line 221)(Error code 1)file: C:\Program Files (x86)\Parallels\Plesk\admin\plib\Service\Agent.phpline: 243code: 0

    CONFIG_TEXT: ERR [1] Exception: PHP Warning: filesize(): stat failed for C:/Program Files (x86)/Parallels/Plesk/PrivateTemp/sb94E3.tmp.zip; File: C:\Program Files (x86)\Parallels\Plesk\admin\plib\Service\Driver\Filesystem\Plesk\Windows.php, Line: 271file: C:\Program Files (x86)\Parallels\Plesk\admin\plib\Smb\Exception\Syntax.phpline: 57code: 0

    CONFIG_TEXT: [EMERG] /sitebuilder/JsonApi/ SB_Site_Snapshot_Exception: invalidSnapshot
    file: C:\Program Files (x86)\Plesk\sb\include\SB\Site\Snapshot.php
    line: 258
    code: 0 203.0.13.2 https://example.com:8443/sitebuilder/Editor

Cause

The issue is caused by product bugs #PPPM-3483 and #PPPM-4869.

Resolution

Apply one of the solution below depending of the using Plesk version:

Warning: before applying the solution below, verify that website on which snapshot is tried to be restored is available via HTTP.

For Plesk Obsidian
  1. Log into the server via RDP.

  2. Press here to download the archive that contains a fix.

  3. Unpack the downloaded archive.

  4. Create a backup of the original file Target.php located in %plesk_dir%sb\include\SB\Extension\PP directory.

  5. Copy the Target.php file from the step №3 to %plesk_dir%sb\include\SB\Extension\PP folder.

  6. Create a backup or restore a snapshot again.

For Plesk Onyx
  1. Log into the server via RDP.
  2. Press here to download the archive that contains a fix.
  3. Unpack the downloaded archive.

  4. Create a backup of the original file Target.php located in %plesk_dir%sb\include\SB\Extension\PP directory.

  5. Copy the Target.php file from the step №3 to %plesk_dir%sb\include\SB\Extension\PP folder.

  6. Create a backup or restore a snapshot again.

Comments

1 comment

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  • Avatar
    Andor Admiraal (Edited )

    I have tried to use the file for Plesk Onyx to solve this same issue on Plesk Obsidian - and it seems to work.

    I did needed to make some more changes though, but that might be particular to my installation. Changing to PHP 8.0 Fast CGI eventually solved the issue, I think WPB's failure to download or restore a snapshot was linked to a specific PHP configuration setting. But in any case, using the solution for Onyx does not seem to hurt Obsidian.

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