PM2 fails in cluster mode for localhost because it defaults to IPv6 over IPv4 #4960
Description
Describe the bug
If you follow the DSpace installation instructions, that includes a PM2 snippet to run PM2 in cluster mode, it doesn't work.
To Reproduce
Steps to reproduce the behavior:
- Install DSpace 10 bleeding edge front & back end (including Angular 20)
- Run angular with pm2 start ... with pm2 in cluster mode
Expected behavior
It should work
Observed behaviour
The pm2 logs have various flavours of no _links section found errors
Cause
In a localhost setup, where tomcat is only listening on ipv4, Angular can't connect because it's trying over IPv6
Related work
This appears since Angular 17: nodejs/node#40537