[Koha-bugs] [Bug 17998] New: Notice ISSUEQSLIP changes do not take effect consistently

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=17998

            Bug ID: 17998
           Summary: Notice ISSUEQSLIP changes do not take effect
                    consistently
 Change sponsored?: ---
           Product: Koha
           Version: 3.22
          Hardware: All
                OS: All
            Status: NEW
          Severity: minor
          Priority: P5 - low
         Component: Notices
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: arm at hanover.ca
        QA Contact: testopia at bugs.koha-community.org

Changes made the the ISSUEQSLIP template text may eventually happen but not
quickly. When the slip is printed, for some time older versions appear instead.
This might not happen in later versions, tested in 3.22.
We have not tested this in any other notice templates - only ISSUEQSLIP.
Details:
I make a change (in the 'email' tab), submit, and then open another tab to view
or print the change in patron checkout, and my changes are not there.
After making several changes to the layout in the 'email' tab, and then
attempting to print the slip - newest changes are not there in the print for
some time and the preceding versions continue to appear - not the same older
version every time but alternating different versions.
I did this all in both our 'sandbox' test system, and in our live system.
Eventually got the layout I wanted in the test system and copied it to the live
system, but still changes did not happen once submitted.
I also created a Hanover Library rule (as opposed to the 'all libraries' one),
and that seemed to make things worse. I have deleted it.
I tried closing browser, using a different browser... and still I would get the
version before last or the one before that instead of the most recently
submitted.
I tried submitting, closing the edit page, waiting, opening and submitting
again three times.

John at Equinox tested the issue and reported that:
I was able to duplicate the issue you described, although this is the first
I've heard of it.

Some things I found while examining this:
1) the changes do register immediately in the database where the templates are
stored.
2) In my testing, every other time I printed a quick slip it would reflect the
change, until eventually it would show the change every time.
3) Different browsers made no difference.
4) Restarting Apache between changes appeared to make no difference either.
5) I was not able to duplicate it on 16.05 system
It does seem like this is a bug.

Katrin asked whether we are using Plack (yes) and caching (I don't know), and
she asked that we submit a new bug for this.

If anyone could test it on your local 16.05 setup and report whether this can
be duplicated, or comment on whether it is related to Plack or caching setup
that would be great. 
We will hope that it is gone in the next release but provide this information
for anyone who might run into it or in case it indicates a larger underlying
issue.

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