Hi there,

I am using a ListenTCP to capture data coming from an Arduino on a TCP port
over WiFi. 

When there is a loss of comms over wifi for various reasons (loss of signal,
power cut), the Arduino is programmed to attempt to connect back when
connection is restored.

I am seeing at times the max connections warning as the arduino attemps to
reconnect, and it is unable to regain data flow for a long time - it seems
to be a random amount of time from a few minutes up to half an hour.

I have had a look at this article 

https://community.hortonworks.com/questions/90478/how-to-release-occupied-connections-in-listentcp-p.html

which suggests that the Arduino side should close the connection, however
during an abrupt connection loss, NiFi would not be able to detect a
closure.

Does anybody know if there is a set timeout period on the max connections
condition?

Is there a way to control how the max connection warning is triggered?

Thank you




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