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Errors occurring sporadically:
In at least one case, I also had to restart the FESA classes on the CCCPs to make the system working again. This happens sometimes during beamtime. Or after the system was not used for a while and is started again (= the GUI was closed for a while and is started again).
Other errors which could be related:
Suggestions (Every idea to track down the problems are appreciated):
Log in the FESA classes:
Log on the generic servers (with timestamps!):
Network considerations:
Connection to the PTIF:
Have a standalone tool to see ALL system components directly: FESA server classes, CCCPs, Liberas (pingable), the gen servers (are up and running?), show error flags. It might be a good idea to have a button for each component to perform a check. E.g. perform a ping for the Liberas and CCCPs. Or perform a data query from the FESA classes. Some of this information is provided by the detailed status panel, but you have to be an expert to interpret some errors.
Yes, I think it does! (HBr)
Add logging output to all system components to know what is going on in each component for each status change. There should be a flag to en-/disable logging at startup. Provide tools to observe the health status of the system components.
Some more considerations (MSchw):