Magnus Hagander schrieb am 15.10.2020 um 12:26:
> Note that PostgreSQL 9.4 is *not* a supported version. Whether it's
> supported by Atlassian or not is a different question, but it's not a
> supported version of PosgreSQL.
According to their manual, the supported Postgres versions are 9.6, 10 and 11
https://confluence.atlassian.com/adminjiraserver/supported-platforms-938846830.html#Supportedplatforms-Databases