SOLO-4005

InvalidPortNumberError

Description

Thrown while validating a port value supplied through a CLI flag or configuration field, when the value does not denote a usable TCP/UDP port: it is not an integer, or it falls outside the valid range of 1–65535. The error message echoes the offending value. This is raised before solo tries to bind, forward, or configure the port, so it reflects bad input (a typo, a non-numeric string, or 0/a negative/too-large number) rather than a port that is already in use.

Troubleshooting Steps

1. Port numbers must be integers between 1 and 65535