Experimental Physics and Industrial Control System
Marty,
Thanks. That works. It is a much better workaround than any of mine.
Cheers,
Nick Rees
Principal Software Engineer Phone: +44 (0)1235-778430
Diamond Light Source Fax: +44 (0)1235-446713
> -----Original Message-----
> From: Marty Smith [mailto:[email protected]]
> Sent: 06 December 2006 12:29
> To: Rees, NP (Nick)
> Cc: EPICS tech-talk; Matej Sekoranja; Yuan, F (Fajin)
> Subject: Re: JCA, Gateways and EPICS_CA_ADDR_LIST
>
>
> Hi Nick,
>
> Have you tried using the subnet broadcast IP in the addr_list rather
> than specific IPs ?
>
> Marty Smith
> APS Controls Group
>
>
> Rees, NP (Nick) wrote:
> > We have just encountered what seems to be a significant bug in the
> > interaction between CAJ and the CAGateways. I am not sure
> whether this
> > has been reported before, but I assume someone else must
> have seen it.
> >
> > The problem is:
> >
> > - If you set
> com.cosylab.epics.caj.CAJContext.auto_addr_list to TRUE
> > it will not resolve PV's being serviced by a local
> gateway, but will
> > resolve PV's from a normal local IOC.
> >
> > - If you set auto_addr_list to false and define an
> explicit addr_list
> > then it works, but then addr_list has to contain the
> addresses of all
> >
> > your IOC's (plus the gateway) - and this is impossible to manage.
> >
> > - If you set auto_addr_list to true and addr_list to just
> the gateway,
> > this would be a workaround in the C environment but
> doesn't work in
> > the
> > CAJ environment.
> >
> > Hence, the only way to get PV's from both gateways and
> local IOC's is
> > via the second option, and that requires long, unmanageable
> IOC lists
> > that are different on every subnet.
> >
> > Has this been seen by anyone? I get the same problems with
> > caj-1.0.4+jca-2.1.6 and caj-1.1.2:jca-2.3.0. The caget test
> program is
> > attached. Any help would be appreciated.
> >
> > Cheers,
> >
> > Nick Rees
> > Principal Software Engineer Phone: +44 (0)1235-778430
> > Diamond Light Source Fax: +44 (0)1235-446713
> >
>
>
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