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Intermittent Realtime FTP connection problem causing shutdown

From build 3044 the development baton passed to Mark Crossley. Mark has been responsible for all the Builds since. He has made the code available on GitHub. It is Mark's hope that others will join in this development, but at the very least he welcomes your ideas for future developments (see Cumulus MX Development suggestions).

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andersondj
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Intermittent Realtime FTP connection problem causing shutdown

Post by andersondj »

I am experiencing interrmittent daily shutdowns from what appears to be FTP Reatime connection problems. I attach a logfile showing events leading upto shutdown. Any help would be appreciated.
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andersondj
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Re: Intermittent Realtime FTP connection problem causing shutdown

Post by andersondj »

It appears that the 10s interval Realtime uploads appear to be causing the Cumulusmx shutdowns during the change of day routines. The first shutdown usually happens around 23.30. If I do an immediate re-start of Cumulmx I get another shutdown around 00.15 whereas if I postpone the restart until aound 00.30 I do not get a further shutdown until the following evening. Is there any setting that allows Realtime uploads to be suppressed during the period that the change of day routines are being processed? If not does anyone have any suggestions how I can prevent these end of day shutdowns I am experiencing?
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mcrossley
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Re: Intermittent Realtime FTP connection problem causing shutdown

Post by mcrossley »

Could you post the full log file please?
andersondj
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Re: Intermittent Realtime FTP connection problem causing shutdown

Post by andersondj »

Attached is a Zip File of 2 logs containing sessions with a) Realtime enabled and b) Realtime disabled. Both logs contain events causing CumulusMX to terminate.
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mcrossley
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Re: Intermittent Realtime FTP connection problem causing shutdown

Post by mcrossley »

OK, two issues at play here.

The first is that the realtime fix in b3152 only got applied to FTP(S) and needs applying to SFTP as well.

Second is the unhandled exception.

I'll work on fixing both these issues for the next release.
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mcrossley
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Re: Intermittent Realtime FTP connection problem causing shutdown

Post by mcrossley »

Regarding when this issues occur, it does not appear to be anything to do with MX, the SFTP sessions seem to be getting closed by the server. Is there some server housekeeping going on at those times?
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