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Home » Newcomers » Newcomers » Paho Java client is NOT receiving MQTT events.(Intermittent, Paho java client is not receiving MQTT events even though client is connected.)
Paho Java client is NOT receiving MQTT events. [message #1819036] Mon, 06 January 2020 04:28 Go to next message
Dileep Mising name is currently offline Dileep Mising nameFriend
Messages: 1
Registered: July 2009
Junior Member
Hello All,

Issue: I am facing an intermittent issue where the MQTT subscriber failed to receive events from the broker even though the client is connected to the broker.

I have a service subscribed to the broker using MQTT paho java client 1.2.0 with durable subscription, keep-alive time as 30 seconds and turned off automatic reconnect. I have registered a callback for connection complete, connection lost and message processing.

Handling reconnection

Whenever callback is received for connection lost, my subscriber program marks the connection as failed and reconnects using reconnect API after 2 minutes.

Current Problem:
Sometimes my subscriber failed to receive events from broker even though client is connected to broker. I am verifying the client connection status using API mqttClient.isConnected().
Re: Paho Java client is NOT receiving MQTT events. [message #1819053 is a reply to message #1819036] Mon, 06 January 2020 12:17 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 33132
Registered: July 2009
Senior Member
I doubt the Paho folks will see your question here. probably better to ask on their specific forum:

Ed Merks
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