Can't start nexus as non-root user

[Kaliyug Antagonist]

nexus-3.9.0-01 on RHEL 7.

I simply unzipped the tar file and started nexus as root. It worked as expected, the log showed that nexus was started.

Now, I have a user 'nexus':

[nexus@l5109p nexus-3.9.0-01]$ id
uid=40061(nexus) gid=40061(nexus) groups=40061(nexus) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023

When I try to start nexus using this user, it doesn't start. I cannot view any errors in log as the log is not simply updated.

How shall I proceed?

Note: On another machine, I had been running nexus as root. Yesterday, I simply changed the ownership of the directories to the nexus user. Nexus now runs as it's own user on that machine, without any issues. Taking guarantees from this, I decided to start with nexus user itself on the new machine(l5109p) but now nexus doesn't start at all with it's own user.

[Brian Fox]

You need to figure out what permission is blocking it. Did you change the file ownership recursively along with the directory? Is it trying to open a port that isn't allowed by non-root on this machine?

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[Rich Seddon]

Yes, make sure the "nexus" user is the owner of both the install (nexus-3.9.0) and work directories (sonatype-work/nexus3) and everything under them.

Another thing to check... make sure the "nexus" user has a shell set, that is required for the bin/nexus startup script to be able to execute.

If you're starting this via systemd you can also run "systemctl status nexus.service"  to see log information from the console output from the last attempted startup.  Substitute nexus.service with the name you've given the service, of course.