As pointed out by Lin, the URL is missing a '/v3' in it.
It should be 'http://<hostip>/identity/v3/users/<userid>/projects' rather than 'http://<hostip>/identity/users/<userid>/projects'
As pointed out by Lin, the URL is missing a '/v3' in it.
It should be 'http://<hostip> /identity/ v3/users/ <userid> /projects' rather than 'http://<hostip> /identity/ users/< userid> /projects'