mqtt/subscriber: FIX: update README file

README file now has a Troubleshooting section. It could be useful during
tests.

Change-Id: I925812b9bd62ac00a2f404939c1c0b7d9cf4dfd2
Signed-off-by: Flavio Santes <flavio.santes@intel.com>
This commit is contained in:
Flavio Santes 2016-08-03 19:26:23 -05:00 committed by Inaky Perez-Gonzalez
commit 6503654e75

View file

@ -100,3 +100,22 @@ Usage
mosquitto_pub -t "sensors" -m "DOOR:OPEN" -q 0
For QoS 2, just change "-q 0" for "-q 2"
Troubleshooting
---------------
If the screen terminal window shows the following:
--------------------------------
Pingreq, rc: ERROR
--------------------------------
It may be caused by:
* A message was received while processing a PING handshake
with the server. This is the expected behavior.
* A network error. Check the LAN or the mosquitto server.