Changing the thread title of "4D Remote hanging at 3am after upgrading to Hi 
Sierra. Need logging advice."

4D 15.4
Mac OS High Sierra Client
Windows 2008r2 Server

As noted in previous posts I now suspect that a 5am (formerly 3am) scheduled 4D 
Backup is causing 4D to 'hang'.
I checked my phone at 5:30 this morning and saw a message that our 4D-based web 
app was not responding.
Normally, this would be followed by a message that it recovered. There would 
also be messages if any action was taken to reboot 4D. There were neither.

I remotely logged into the client machine. Finder is frontmost. There are no 
error dialogs visible.
4D is running. This is an unattended client (web server) so no UI is visible.
I click on the 4D icon in the dock. A "backup is running" dialog appears in the 
lower left hand corner of the screen. Its status bar is at 1% and not moving.
I dismiss the dialog and check Activity Monitor.
4D is not responding and is consuming 99% of the CPU. Memory usage is NOT 
abnormal and much lower than many other running apps.
Click 4D again and dialog doesn't appear. Try this a few more times and can't 
make dialog reappear. I wanted to see if there has been any progress.
Recheck Activity Monitor. 4D is still not responding and is consuming 99% of 
the CPU. Force quit 4D. Scripts that monitor 4D restart 4D within a minute.

Again, this started when the client was updated to High Sierra 3 weeks ago. 
That was mandated by their institution's cybersecurity people. 4D has hung 
almost every night. Controls in place to keep 4D running stopped working after 
the upgrade.

When I first remembered the backup was running at 3am (now 5am) I ran a backup 
manually from the server admin console. It ran fine and there were no apparent 
problems. I even watched the 4D remote. Checks of the data file and indexes 
show no problems.

What should I try next? Start with a new backup? Reinstall 4D?

Thanks,

Brad Perkins


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