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groups is not a SCO command (at least not that I can see).
I am not familiar enough with SCO to know what the equivalent is. Google is not helpful. Is there another command that I could run to...

The problem is that I am not sure what's causing the issue. I can run my app fine when I am logged in as root but not when I am logged in as me.
I was really just running this as a test to see...

No. Logins are disabled for these ports.

---------- Post updated at 01:32 PM ---------- Previous update was at 11:25 AM ----------

I tried setting java to run asroot, but this did not work....

I had it print the name of the ports and the list is as expected (tty1a, tty1A, tty2a, tty2A). I also changed the owner and group of every file and directory associated with the JRE. I still get...

I'm pretty sure it's not the SerialDemo code as I have created a very simple app that does nothing but scroll through the list of ports and attempt to open them.
Here's the code (hand-typed so...

I promise to never use 777 willy-nilly again.
I ran the SerialDemo and the only thing I see using ps is 'java SerialDemo'. I do not see the JVM or any other java process.

I'm not worried about someone changing any binaries (unless that someone is me). It's a demo box and I'm the only one on it.

Excuse my ignorance, but I'm a windows guy and my unix person is out...

Thanks Corona but I guess I am not as familiar with SCO as I should be. How would I go about changing the permissions for the JVM? Is it simply a matter of finding the .exe file and changing it's...

I changed the owner to the user logged in.
I changed the group to a group that user has access to.
The permissions read crw-rw-rw-
No luck.

Also, I no longer believe this is a java issue. I...

After further testing, I am able to open the Serial Port while logged in as root, but not logged in as a user. Any help would be appreciated.
Thanks.

Using JRE 1.4.2_12 on SCO OpenServer 5.0.7, I was able to use the Java Comm Api to open and close serial ports. After upgrading to JRE 1.4.2_19, the Java Comm Api complains that the ports are in...