Experimental Physics and
Industrial Control System

Matej Sekoranja <[email protected]> · Thu, 29 Nov 2012 22:30:55 +0100

>> The method CAJ uses to get hostname is (or was in 2006) not
>> deterministic - it can return long or short name. There is an JVM
>> "-DCAJ_STRIP_HOSTNAME" option to strip SHN from possibly returned FQDN
>> (e.g. alma.hq.eso.org -> alma).
>
> Would an EPICS Base developer be willing to comment on this?  What is
> the correct behavior, or is it unspecified?

Sorry, I was not clear. In certain OS+network configuration
combinations Java returned FQDN where SHN was expected.

CA expects SHN.

Matej

>
> The EPICS Application Developer's Guide for 3.14.12 doesn't explicitly
> say (from what I can tell based on a quick skim), but the examples seem
> to all use short hostnames.
>
> The guide also says, "For vxWorks clients, the host name is usually
> taken from the target name of the boot parameters."  I would bet a
> number of vxWorks IOCs have their target name set to just the short
> hostname.
>
> Thanks,
>
> Lewis

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System