WebGUI login not working: returns to login screen after authorizing credentials

  • I can no longer login to the WebGUI. The login page loads, when credentials are entered I see it working ("please wait", then "loading please wait"), then it just returns to the login page.


    OMV is still functioning and I can access the device through SSH. The credentials must be correct because the system log shows it was authorized and shows no errors:

    openmediavault-webgui[13987]: Authorized login from ::ffff:192.168.2.8 [username=admin, user-agent=Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:74.0) Gecko/20100101 Firefox/74.0]


    The disks/partitions are nowhere near full (df -h). I can't find any errors in logs. The issue persists after rebooting the device through SSH.


    This started a few days ago after installing upgrades and rebooting, as I do every few weeks.


    Any hints?

  • I am experiencing the same problem. The login accepts my credentials (on three separate accounts) and sometimes even notifies me by email about a "successful login". The WebGUI simply reloads the login page in a loop.


    I have access to SSH, tons of space (over 80% free on both attached drives). Shares work fine and I can even update/upgrade via SSH - but no WebGUI.


    Running on RaspberryPi4.

  • Same timeline here.


    I just seem to have made my situation worse: I noticed there was an update for omv flash plugin so I installed it and rebooted over SSH. Now I can't log in with SSH anymore and the WebGUI login page doesn't come up at all. I can still get ping responses to the device though.

    I hope this can be salvaged!?

  • I too have the GUI doesn't load problem. My response is as follows after I enter admin and password: Maybe some one can decipher this, and come up with a repair/fix.

    Error #0:

    OMV\Exception: File '/var/cache/openmediavault/cache.omv\controlpanel\administration_admin_js.json' contains invalid JSON: No content in /usr/share/php/openmediavault/json/file.inc:219

    Stack trace:

    #0 /usr/share/php/openmediavault/controlpanel/controlpanelabstract.inc(172): OMV\Json\File->read()

    #1 /var/www/openmediavault/index.php(41): OMV\ControlPanel\ControlPanelAbstract->render()

    #2 {main}

  • I changed the permissions with chmod 777 /var/lib/php/sessions by putting the SD card into another device. I still can't log in or even load the login page anymore. SSH also won't connect with "connection refused".


    Whatever happened after that last flashmemory update (to 4.2.2 I think) and reboot made things a lot worse. Any suggestions on what to try?


    I can edit files by using the SD card on another machine, but it looks like I've lost all access to my OMV device.

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