Hi guys,

any idea where this comes from

root@kopano:~# cat server.log* | grep timeout | wc
1096514 13158168 89253631

Tue Oct  3 08:30:34 2017: [info   ] End of session (timeout) 13205597762435054060
Tue Oct  3 08:30:34 2017: [info   ] End of session (timeout) 9265234635141161649
Tue Oct  3 08:30:34 2017: [info   ] End of session (timeout) 11148597421092226498
Tue Oct  3 08:30:34 2017: [info   ] End of session (timeout) 6748081490221059671
Tue Oct  3 08:30:34 2017: [info   ] End of session (timeout) 10990012429364630204
Tue Oct  3 08:30:39 2017: [info   ] End of session (timeout) 8205198213884093940
Tue Oct  3 08:30:39 2017: [info   ] En^C

When these start occurring I have several clients that get the message in webapp ‘lost connection to server’ popup at the top of the screen, and then 2 seconds later in the lower right corner ‘connection re-established’. This behavior pingpongs about every 2 seconds, to the point that only a reboot of the server fixes the problem.

versions :

root@kopano:~# more /etc/issue
Ubuntu 16.04.2 LTS \n \l

gsoap-kopano2.8.43-3.1
gsoap-kopano-dbg2.8.43-3.1
gsoap-kopano-dev2.8.43-3.1
gsoap-kopano-doc2.8.43-3.1
kopano-archiver8.3.0~1042-2.1
kopano-backup8.3.0~1042-2.1
kopano-bash-completion8.3.0~1042-2.1
kopano-client8.3.0~1042-2.1
kopano-common8.3.0~1042-2.1
kopano-contacts8.3.0~1042-2.1
kopano-dagent8.3.0~1042-2.1
kopano-dbg8.3.0~1042-2.1
kopano-dev8.3.0~1042-2.1
kopano-gateway8.3.0~1042-2.1
kopano-ical8.3.0~1042-2.1
kopano-lang8.3.0~1042-2.1
kopano-migration-imap8.3.0~1042-2.1
kopano-migration-pst8.3.0~1042-2.1
kopano-monitor8.3.0~1042-2.1
kopano-presence8.3.0~1042-2.1
kopano-search8.3.0~1042-2.1
kopano-server8.3.0~1042-2.1
kopano-server-packages8.3.0~1042-2.1
kopano-spooler8.3.0~1042-2.1
kopano-utils8.3.0~1042-2.1
kopano-webapp3.3.0.610-25.1
kopano-webapp-plugin-contactfax3.3.0.610-25.1
kopano-webapp-plugin-desktopnotifications2.0.0.7-8.1
kopano-webapp-plugin-filepreviewer2.0.0.5-7.1
kopano-webapp-plugin-files2.0.0.57-5.1
kopano-webapp-plugin-filesbackend-owncloud2.0.0.17-3.1
kopano-webapp-plugin-filesbackend-smb2.0.0.17-5.1
kopano-webapp-plugin-folderwidgets3.3.0.610-25.1
kopano-webapp-plugin-gmaps3.3.0.610-25.1
kopano-webapp-plugin-intranet0.1-3.1
kopano-webapp-plugin-mdm2.0.1.0-21.1
kopano-webapp-plugin-meetings2.0.0.1463488995.966141b
kopano-webapp-plugin-pimfolder3.3.0.610-25.1
kopano-webapp-plugin-quickitems3.3.0.610-25.1
kopano-webapp-plugin-smime2.1.1.28-6.1
kopano-webapp-plugin-spell2.0.0.0-7.1
kopano-webapp-plugin-spell-de-at2.0.0.0-5.1
kopano-webapp-plugin-spell-de-ch2.0.0.0-5.1
kopano-webapp-plugin-spell-de-de2.0.0.0-5.1
kopano-webapp-plugin-spell-en2.0.0.0-5.1
kopano-webapp-plugin-spell-en-gb2.0.0.0-5.1
kopano-webapp-plugin-spell-es2.0.0.0-5.1
kopano-webapp-plugin-spell-fr2.0.0.0-5.1
kopano-webapp-plugin-spell-it1.0.0-1.1
kopano-webapp-plugin-spell-nl2.0.0.0-5.1
kopano-webapp-plugin-spell-pl-pl2.0.0.0-4.1
kopano-webapp-plugin-titlecounter3.3.0.610-25.1
kopano-webapp-plugin-webappmanual3.3.0.610-25.1
kopano-webapp-plugin-zdeveloper3.3.0.610-25.1
kopano-webmeetings0.24.13-1
libgsoap-kopano-2-8-432.8.43-3.1
libgsoap-kopano-dbg2.8.43-3.1
libvmime-kopano-dev0.9.2-9.1
libvmime-kopano10.9.2-9.1
python-kopano8.3.0~1042-2.1

regards,