Hi, I’m having problems rebuilding my multisite discourse install. I get the errors pasted below. I’m running ./launcher rebuild app as root. git status in /var/discourse says I’m up to date with branch main. it reports running postgres 15.13: 2025-08-14 10:35:04.390 UTC [45] LOG: starting PostgreSQL 15.13 (Debian 15.13-1.pgdg120+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit I have disabled all plugins apart from docker_manager discourse-doctor doesn’t find any problems Here are the errors: I, [2025-08-14T10:35:56.213949 #1] INFO -- : > cd /var/www/discourse && su discourse -c 'find /var/www/discourse/vendor/bundle -name cache -not -path "*/gems/*" -type d -exec rm -rf {} +' I, [2025-08-14T10:35:56.325831 #1] INFO -- : I, [2025-08-14T10:35:56.325961 #1] INFO -- : > cd /var/www/discourse && su discourse -c 'find /var/www/discourse/vendor/bundle -name tmp -type d -exec rm -rf {} +' I, [2025-08-14T10:35:56.430781 #1] INFO -- : I, [2025-08-14T10:35:56.431139 #1] INFO -- : > cd /var/www/discourse && sudo -E -u discourse bundle exec rake multisite:migrate `/root` is not writable. Bundler will use `/tmp/bundler20250814-776-hjo98w776' as your home directory temporarily. 2025-08-14 10:36:05.626 UTC [872] discourse@b_discourse ERROR: permission denied to create extension "vector" 2025-08-14 10:36:05.626 UTC [872] discourse@b_discourse HINT: Must be superuser to create this extension. 2025-08-14 10:36:05.626 UTC [872] discourse@b_discourse STATEMENT: CREATE EXTENSION IF NOT EXISTS "vector" 2025-08-14 10:36:05.627 UTC [872] discourse@b_discourse ERROR: current transaction is aborted, commands ignored until end of transaction block 2025-08-14 10:36:05.627 UTC [872] discourse@b_discourse STATEMENT: SELECT 1 FROM pg_available_extensions WHERE name = 'vector'; 2025-08-14 10:36:05.753 UTC [873] discourse@c_discourse ERROR: permission denied to create extension "vector" 2025-08-14 10:36:05.753 UTC [873] discourse@c_discourse HINT: Must be superuser to create this extension. 2025-08-14 10:36:05.753 UTC [873] discourse@c_discourse STATEMENT: CREATE EXTENSION IF NOT EXISTS "vector" 2025-08-14 10:36:05.753 UTC [873] discourse@c_discourse ERROR: current transaction is aborted, commands ignored until end of transaction block 2025-08-14 10:36:05.753 UTC [873] discourse@c_discourse STATEMENT: SELECT 1 FROM pg_available_extensions WHERE name = 'vector'; 2025-08-14 10:36:05.870 UTC [874] discourse@d_discourse ERROR: permission denied to create extension "vector" 2025-08-14 10:36:05.870 UTC [874] discourse@d_discourse HINT: Must be superuser to create this extension. 2025-08-14 10:36:05.870 UTC [874] discourse@d_discourse STATEMENT: CREATE EXTENSION IF NOT EXISTS "vector" 2025-08-14 10:36:05.870 UTC [874] discourse@d_discourse ERROR: current transaction is aborted, commands ignored until end of transaction block 2025-08-14 10:36:05.870 UTC [874] discourse@d_discourse STATEMENT: SELECT 1 FROM pg_available_extensions WHERE name = 'vector'; Any help/pointers much appreciated!

I solved it in postgres (first I had to restart docker with `service restart docker`) ./launcher enter app sudo -u postgres psql then running this for each site’s database: \c b_discourse CREATE EXTENSION IF NOT EXISTS vector;

Are you doing this as a root user (ran sudo -s before this)?

Build error: permission denied to create extension "vector"

Product Support

yaxu (Alex McLean) August 14, 2025, 10:55am 3

Hi @NateDhaliwal , yes I am running as root.

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Build error: permission denied to create extension "vector"

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