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hbz / lobid-resources

Transformation, web frontend, and API for the hbz catalog as LOD
http://lobid.org/resources
Eclipse Public License 2.0
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Play apps crashed, monit silently unmonitors #1264

Closed dr0i closed 3 years ago

dr0i commented 3 years ago

Today we discovered that the play app of lobid-resources at quaoar1 and weywot2 couldn't be launched and was silently unmonitored, resulting in a downtime of lobid-resources and consecutive apps like nwbib.

One issue is that while the restart.sh script already removes the RUNNING_PID the monit_restart.sh script does not. As monit uses monit_restart.sh play refuses to restart the web app because the RUNNING_PID still exists sometimes (even when the app is crashed). So the solution is to to

It would also be nice to

(We don't need to be informed when monit restarts a process because that is done once a month (via crontab) for almost all web apps and is not a problem in itself because the High Available Proxy of Apache redirects to the spare server. We don't want to get too many emails because that would be too noisy.)

dr0i commented 3 years ago

Closing in favour of the proper repo, see https://github.com/hbz/lobid/issues/465.