Presence Builder does not redirect to correct URL when the session in browser is expired: Unable to connect to Web Presence Builder server

Symptoms

• The redirect_url options in /usr/local/sb/config do not work:

  • unauthorized_access_redirect_url
  • session_expired_redirect_url
  • removed_site_redirect_url
• The following error may appear in Presence Builder interface when session in browser expires:

  CONFIG_TEXT: Unable to connect to Web Presence Builder server. Please contact the server administrator.

  

• The following error can be found in /var/log/httpd/sitebuilder_error.log.ssl:

  CONFIG_TEXT: [Tue Jan 01 04:39:00 2018] [warn] [client 192.0.2.2] mod_fcgid: stderr: PHP Fatal error: Call to a member function setStreamContext() on a non-object in /usr/local/sb/include/SB/ErrorsReport.php on line 51, referer: https://sitebuilder.example.wpb.tld/Editor

Cause

This is a bug with ID #PPB-4565.

Resolution

There are 2 workarounds for the issue.

Workaround 1.

1. Connect to the server with SSH
2. Add the following line to [internal] section in /usr/local/sb/config:

   CONFIG_TEXT: [internal]
   ...
   send_errors = false

Workaround 2.

1. Connect to the server with SSH

2. Back up /usr/local/sb/include/Zend/Http/Client.php:

   # cp /usr/local/sb/include/Zend/Http/Client.php{,.orig}

3. Download the attached file Client.tar.gz to your server:

   # cd /tmp && wget https://support.plesk.com/hc/en-us/article_attachments/360005115934/Client.tar.gz

4. Extract the downloaded file:

   # tar -xvf Client.tar.gz

5. Replace the original file Client.php file with the extracted one and set correct file permissions:

   # mv /tmp/Client.php /usr/local/sb/include/Zend/Http/Client.php && chmod 755 /usr/local/sb/include/Zend/Http/Client.php