The problem you describe isn’t specific to pcaspy, it’s the general behavior when you have multiple CA servers on the same computer.
Read
https://wiki-ext.aps.anl.gov/epics/index.php/How_to_Configure_Channel_Access
which describes "Multiple IOCs on the same computer”, note that it mentions "only the IOC started last will actually receive UDP search requests” and gives several ways to solve this.
-Kay
> On Oct 13, 2016, at 11:29 PM, lzf neu <[email protected]> wrote:
>
> They are all working. let me describe the processes in details:
> If I start pcaspy first then epics ioc, I see a warning displayed in epics as you said and camonitor cannot display the epics PV and showed the PV disconnected; If I start epics ioc first, the warning displayed in pcaspy and camonitor still cannot display epics PV and showed PV disconnected. I don't know how to solve the problems. Thanks.
>
> Zhefu
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