Zentyal 4.2 - Cannot login to web interface (SOGO)

[devnull]

Hi,

I have a Zentyal 4.2 with the following problem; Once upon a few days SOGO web interface stop to work. Users can't login to sogo (when they provide credentials and click "Login" nothing happens) until the sogo service is restarted. When this happen the sogo web interface looks broken (see the attachment). I have found hundreds of the following log lines in /var/log/sogo/sogo.log:

Code: [Select]

Nov 30 15:33:06 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944a69c48> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:01:35 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944942708> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:01:35 sogod [3601]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944e46a28> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:05:47 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944b5ecb8> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:14:23 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944c20a88> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:14:54 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629449e67a8> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:15:53 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629452165b8> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:25:47 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944ec8e28> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:30:53 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629448caa88> NAME:SoAuthRequired REASON:authentication required
Nov 30 18:38:26 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629448ed238> NAME:SoAuthRequired REASON:authentication required
Nov 30 19:00:38 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629449f5818> NAME:SoAuthRequired REASON:authentication required
Nov 30 19:00:40 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629452462b8> NAME:SoAuthRequired REASON:authentication required
Nov 30 20:15:00 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x56294495a878> NAME:SoAuthRequired REASON:authentication required
Nov 30 20:15:00 sogod [3601]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944f85348> NAME:SoAuthRequired REASON:authentication required
Nov 30 20:15:02 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x5629452096f8> NAME:SoAuthRequired REASON:authentication required
Nov 30 21:54:41 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944a56c18> NAME:SoAuthRequired REASON:authentication required
Nov 30 21:54:43 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562944dc0c08> NAME:SoAuthRequired REASON:authentication required
Nov 30 22:14:01 sogod [3602]: |SOGo|     handle miss error: <SoAuthRequiredException: 0x562945016f28> NAME:SoAuthRequired REASON:authentication required

Edit: Somehow I cannot add attachments on this forum so uploaded sogo screen here: https://www51.zippyshare.com/v/vQOJtPUO/file.html