Summary

"America/Montreal" is set an alias to "America/Toronto" and causes the behavior described in:

• Accessing JIRA Agile Board Configuration throws Exception: Uncaught TypeError: Cannot read property 'regionKey' of undefined

This seems to affect more timezones ID, most "Alias" listed in https://en.wikipedia.org/wiki/List_of_tz_database_time_zones is affected to the problem. https://time.is/ website is up-to-date on the latest timezone ID alias from IANA Timezone database.

Possible cause

CentOS 6 allows the use of timezone code "America/Montreal" and recognized by Jira, Upgrade to CentOS 7 and "America/Montreal" is proxied or alias to "America/Toronto"

Environment

• Verified with JIra7.7.1 and CentOS 6.4 upgraded to CentOS 7.4
• Possibly also affects other OS See:
  • https://bugs.launchpad.net/ubuntu/+source/tzdata/+bug/1245978
  • https://bitbucket.org/pellepim/jstimezonedetect/issues/153/use-only-timezones-specified-by-php

Expected Results

• Jira correctly recognizes ported Timecode from Montreal to Toronto
• Jira correctly recognize all timezone ID alias

Actual Results

"America/Montreal" does not update and stays as the deprecated value, so Loading Board with an owner still tied to "America/Montreal" Triggers

Uncaught TypeError: Cannot read property 'regionKey' of undefined

Workaround

Either:

• Have owner of Board Navigate to user preferences and change timezone to 'America/Toronto'
• Follow Workaround in:
  • Accessing JIRA Agile Board Configuration throws Exception: Uncaught TypeError: Cannot read property 'regionKey' of undefined