Search Engine: Elastic

Article ID: 131951, created on Dec 21, 2017, last review on Dec 21, 2017

  • Applies to:
  • Operations Automation 7.2


Attempt to open File Manager fails with error after a few minutes of loading:

Invalid backend response. Data is not JSON


FTP server is configured to be working in passive mode. But File Manager was not and directory listing failed.


Uncomment the line 199 in file /usr/local/pem/sysvhosts/elFinder/php/elFinderVolumeFTP.class.php on File Manager node to allow the application work in passive mode:

198                 // enter passive mode if required
199                 //ftp_pasv($this->connect, $this->options['mode'] == 'passive');

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