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Maniphest T141351

Internal Server Error
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Description

On responding to a ticket (any ticket), the following error is presented in the -Reply- pop up:

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at webmaster@wikimedia.org to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Date/Time: 26/7/2016 @ 11:19 UTC
Browser: Firefox 48.0b10
OS: Windows 10 Pro

Event Timeline

TheresNoTime created this task.Jul 26 2016, 11:20 AM
Restricted Application added subscribers: TerraCodes, Matthewrbowker, Rjd0060 and 2 others. · View Herald TranscriptJul 26 2016, 11:20 AM
pajz triaged this task as High priority.Jul 26 2016, 11:29 AM
pajz added subscribers: akosiaris, Krd, pajz.

Can confirm (tested for several queues, including info-de, and for different response templates, including "empty answer").

TheresNoTime closed this task as Resolved.Jul 26 2016, 11:29 AM
TheresNoTime claimed this task.

Transient issue, resolved at 11:29 UTC - might be worth checking out anyway

TheresNoTime reopened this task as Open.Jul 26 2016, 11:30 AM

Re-opening, hadn't seen previous reply - feel free to claim

TheresNoTime removed TheresNoTime as the assignee of this task.Jul 26 2016, 11:30 AM
pajz added a comment.EditedJul 26 2016, 11:39 AM

Indeed, looks like the error has resolved itself. Seems to work fine again. I'll check again in a few minutes.

pajz closed this task as Resolved.Jul 26 2016, 12:04 PM
pajz claimed this task.

Still looks fine. Closing ...

akosiaris added a comment.Jul 26 2016, 1:53 PM

There seems there has been some transient issue in the [Tue Jul 26 11:12:28.018820 2016] to [Tue Jul 26 11:46:39.031559 2016] time window. Logs were not indicative of a definite failure. Mostly lines of the sort

Can't locate object method "new" via package "Net::DNS::DomainName1035" at /usr/lib/x86_64-linux-gnu/perl5/5.20/Net/DNS/Question.pm line 80

Still investigating.

akosiaris added a comment.Jul 26 2016, 2:15 PM

So there was a libnet-dns-perl upgrade on mendelevium that likely caused this. Most likely apache mod_perl children kept a open reference to the old perl module and could not find it after the upgrade. It was fixed by the dying apache children being restarted and reloading the code along with the upgraded perl module. I 'll be monitoring in case it manifests again and orchestrating the perl upgrades on mendelevium a bit better.

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