[Bug 22217] New: error "Connection to the memcached servers '__MEMCACHED_SERVERS__' failed" during install
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Bug ID: 22217 Summary: error "Connection to the memcached servers '__MEMCACHED_SERVERS__' failed" during install Change sponsored?: --- Product: Koha Version: 18.11 Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P5 - low Component: Installation and upgrade (command-line installer) Assignee: koha-bugs@lists.koha-community.org Reporter: giuseppe.ciaccio@unige.it QA Contact: testopia@bugs.koha-community.org Target Milestone: --- I'm trying to install Koha on a fresh Debian 9.7 32-bit, following the instructions at https://wiki.koha-community.org/wiki/Koha_on_Debian . I work as root so I have all privileges. One of the installation steps consists of editing file /etc/koha/koha-sites.conf . Inside koha-sites.con, I find the following row: USE_MEMCACHED="yes" 1.1) start memcached in the localhost (this action is not reported in the instructions but is needed): root@myhost:~# service memcached start 1.2) ensure that memcached is indeed active and listening at port 11211 root@myhost:~# ps ax PID TTY STAT TIME COMMAND ... 16908 ? S 0:00 /usr/sbin/apache2 -k start 16909 ? S 0:00 /usr/sbin/apache2 -k start 16910 ? S 0:00 /usr/sbin/apache2 -k start 16920 ? Ssl 0:00 /usr/bin/memcached -m 64 -p 11211 -u memcache -l 127. ... 1.3) proceed with install procedure, get worrying error messages root@myhost:~# koha-create --create-db mylibrary Koha instance is empty, no staff user created. [ ok ] Starting Koha indexing daemon for mylibrary:. root@myhost:~# koha-translate --install it-IT Connection to the memcached servers '__MEMCACHED_SERVERS__' failed. Are the unix socket permissions set properly? Is the host reachable? If you ignore this warning, you will face performance issues Connection to the memcached servers '__MEMCACHED_SERVERS__' failed. Are the unix socket permissions set properly? Is the host reachable? If you ignore this warning, you will face performance issues Use of uninitialized value $pref_name in concatenation (.) or string at /usr/share/koha/misc/translator/LangInstaller.pm line 197. Use of uninitialized value $pref_name in concatenation (.) or string at /usr/share/koha/misc/translator/LangInstaller.pm line 239. 1.4) at this point, try not to use memcached and repeat the koha-translate step, get same error as before root@myhost:~# vi /etc/koha/koha-sites.conf ...set USE_MEMCACHED="no" root@myhost:~# koha-translate --update it-IT Connection to the memcached servers '__MEMCACHED_SERVERS__' failed. Are the unix socket permissions set properly? Is the host reachable? If you ignore this warning, you will face performance issues Connection to the memcached servers '__MEMCACHED_SERVERS__' failed. Are the unix socket permissions set properly? Is the host reachable? If you ignore this warning, you will face performance issues Use of uninitialized value $pref_name in concatenation (.) or string at /usr/share/koha/misc/translator/LangInstaller.pm line 197. Use of uninitialized value $pref_name in concatenation (.) or string at /usr/share/koha/misc/translator/LangInstaller.pm line 239. So it seems that I) the language installer tries to connect to memcached, no matter the value of USE_MEMCACHED II) the language installer fails to connect to memcached even if the daemon is up and listening to the right port. -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Katrin Fischer <katrin.fischer@bsz-bw.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |katrin.fischer@bsz-bw.de, | |ulrich.kleiber@bsz-bw.de -- You are receiving this mail because: You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Giuseppe Ciaccio <giuseppe.ciaccio@unige.it> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - low |P3 -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Giuseppe Ciaccio <giuseppe.ciaccio@unige.it> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |giuseppe.ciaccio@unige.it -- You are receiving this mail because: You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Claudio <costalc@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |costalc@gmail.com -- You are receiving this mail because: You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 David Cook <dcook@prosentient.com.au> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcook@prosentient.com.au --- Comment #1 from David Cook <dcook@prosentient.com.au> --- These are more so warnings than errors. I think you can safely ignore them, although Koha really should be updated to prevent the warnings from showing in the first place. -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Tomás Cohen Arazi <tomascohen@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tomascohen@gmail.com Version|18.11 |master -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 --- Comment #2 from Tomás Cohen Arazi <tomascohen@gmail.com> --- This weird warning should be removed. -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 --- Comment #3 from David Cook <dcook@prosentient.com.au> --- (In reply to Tomás Cohen Arazi from comment #2)
This weird warning should be removed.
+1 -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Jonathan Druart <jonathan.druart@bugs.koha-community.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jonathan.druart@bugs.koha-c | |ommunity.org --- Comment #4 from Jonathan Druart <jonathan.druart@bugs.koha-community.org> --- What's happening? debian/scripts/koha-translate set KOHA_CONF (for non-dev installs) to /etc/koha/koha-conf-site.xml.in, ecause our LangInstaller module needs some paths from there (like intrahtdoc). The problem is that this koha-conf does not have a valid memcached config, and so we reach Koha::Cache without correct values and get the warning. We definitively can ignore this warning, but it would be better to remove it of course. However I have no idea how to clean that. -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 --- Comment #5 from David Cook <dcook@prosentient.com.au> --- (In reply to Jonathan Druart from comment #4)
What's happening? debian/scripts/koha-translate set KOHA_CONF (for non-dev installs) to /etc/koha/koha-conf-site.xml.in, ecause our LangInstaller module needs some paths from there (like intrahtdoc). The problem is that this koha-conf does not have a valid memcached config, and so we reach Koha::Cache without correct values and get the warning.
We definitively can ignore this warning, but it would be better to remove it of course. However I have no idea how to clean that.
I've thought of a few strategies. The easiest is probably to add an environmental variable to koha-translate that can prevent L2 caching from being initialized in Koha::Cache. Alternatively: 1. Remove the dependency on C4::Context in LangInstaller, and instead pass intranetdir, opacdir, intrahtdocs, and opachtdocs as arguments to the LangInstaller constructor. 2. Customize C4::Context and Koha::Caches to pass an argument to the Koha::Cache constructor to prevent L2 (ie memcached) caching from initialising, and use this argument in koha-translate -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Jonathan Druart <jonathan.druart@bugs.koha-community.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mehmet.akgul@mirakil.com --- Comment #6 from Jonathan Druart <jonathan.druart@bugs.koha-community.org> --- *** Bug 22606 has been marked as a duplicate of this bug. *** -- You are receiving this mail because: You are the assignee for the bug. You are watching all bug changes.
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=22217 Alan <aschrock@eunc.edu> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |aschrock@eunc.edu --- Comment #7 from Alan <aschrock@eunc.edu> --- Any possibilities to get this fixed? Still getting it on 25.05 -- You are receiving this mail because: You are watching all bug changes. You are the assignee for the bug.
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