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v3.10.3 Realtime upload stops

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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sutne
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v3.10.3 Realtime upload stops

Post by sutne »

i noticed that the realtime upload to website had stopped today at 22:19.
There were no more messages in the diag-file so I turned on Debug.
Then there was a message

Code: Select all

2021-03-21 22:37:54.093 Realtime[131]: Warning, a previous cycle is still trying to connect to FTP server, skip count = 5
I tried Filezilla and had no problems uploading files.

stop and start of CumulusMX solved the problem, but what had happened?

Enclosed is the diag-file.
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mcrossley
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Re: v3.10.3 Realtime upload stops

Post by mcrossley »

Odd, the real time uploads stopped, but did not error or timeout. Normally you would expect it to return some sort of error even if the session hangs as it would then timeout.

As you real time interval is very long (3 minutes), it had only missed 6 attempts by the time you stopped it.

I could probably add an additional check to abort the session and restart after a period of time of failed attempts to catch this sort of issue.

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Re: v3.10.3 Realtime upload stops

Post by euphbass »

A catch to "reboot" the FTP connection would be good if possible, as you suggest - I've had this happen quite a few times with this error, both with 3.10 and 3.11 builds (including the latest). It seems to get stuck.

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mcrossley
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Re: v3.10.3 Realtime upload stops

Post by mcrossley »

Well, it does catch this already and restart the FTP, it is just because you have such a long real time interval that the existing mechanism will take quite a long time to kick in as it is based on the number of failed real time cycles.

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