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exacqVision Enterprise Manager Time Restricted Notifications are not received

If email notifications are not being received as expected check the Rule for any time-based restrictions such as “lasts for at least” or “lasted for at least”.  Then verify the triggering event actually was activated for the specified amount of time.   

For example, say we are using the following rule:
If “Camera disconnected” lasts for at least, 300 seconds IN any group ON any server FOR any camera send email immediately to johndoe@email.com.

We can observe the camera drop in live view, but a notification is not received. By looking at the exacqVision Server logs we find the following sequence of events

2021-06-26 16:55:51 (GMT-0700) SamsungPI Warning ELEVATOR LOBBY: stream timeout.
2021-06-26 16:55:51 (GMT-0700) SamsungPI Verbose ELEVATOR LOBBY Context 0 is NOT connected.
2021-06-26 16:56:57 (GMT-0700) SamsungPI Verbose ELEVATOR LOBBY Context 0 is connected.

In this case, a notification WOULD NOT have been sent because the camera reconnected within 300 seconds.   This would be true if any of the time related restrictions were used with a 300 second setting.

If a notification is desired for future events of this type the duration of the event i.e., 300 seconds would need to be lowered, or the time element could be removed and one of the following used instead “starts”, “stops” or “starts or stops”.

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Email Notifications Not Sent from Linux-based exacqVision Server

If you install exacqVision Server software on a Linux-based system that does not have certain Perl modules installed, email notifications can fail. This does not apply to Linux-based exacqVision systems shipped by Exacq because the Perl modules are installed on the systems when they are manufactured.

If you do not receive expected email notifications, check the Linux system log for the following message from NotifyPI:

Can’t locate method “new” via package “IO::Socket::SSL” at sendEmail.pl line 1844

The following message should also appear on the Notifications page for the system in the exacqVision Client software:

This server does not support SSL or TLS connections

To install the necessary Perl modules, type the following commands in a Terminal window:

sudo apt-get install libio-socket-ssl-perl

sudo apt-get install libnet-ssleay-perl

Alternatively, you can install the modules using the Synaptic Package Manager.

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