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NPE in Paho MQTT when using close() and autoReconnect(true) #1093

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growse opened this issue Oct 4, 2021 · 0 comments
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NPE in Paho MQTT when using close() and autoReconnect(true) #1093

growse opened this issue Oct 4, 2021 · 0 comments
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v2.4.3

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@growse
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growse commented Oct 4, 2021

From play store:

java.lang.NullPointerException: 
  at org.eclipse.paho.client.mqttv3.internal.ClientComms.setReconnectCallback (ClientComms.java:605)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.connect (MqttAsyncClient.java:749)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.attemptReconnect (MqttAsyncClient.java:1428)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.access$2 (MqttAsyncClient.java:1423)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient$ReconnectTask.run (MqttAsyncClient.java:1467)
  at java.util.TimerThread.mainLoop (Timer.java:562)
  at java.util.TimerThread.run (Timer.java:512)

java.lang.NullPointerException: 
  at org.eclipse.paho.client.mqttv3.internal.ConnectActionListener.onFailure (ConnectActionListener.java:119)
  at org.eclipse.paho.client.mqttv3.internal.ConnectActionListener.connect (ConnectActionListener.java:188)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.connect (MqttAsyncClient.java:766)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.attemptReconnect (MqttAsyncClient.java:1428)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient.access$2 (MqttAsyncClient.java:1423)
  at org.eclipse.paho.client.mqttv3.MqttAsyncClient$ReconnectTask.run (MqttAsyncClient.java:1467)
  at java.util.TimerThread.mainLoop (Timer.java:562)
  at java.util.TimerThread.run (Timer.java:512)

Think we need to disconnect() rather than close(), as close() nulls out a bunch of stuff that might be then used by the reconnect logic.
@growse growse closed this as completed in 8fc6f6b Oct 4, 2021
@growse growse added this to the v2.4.3 milestone Nov 3, 2021
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