Exception in thread "MQTT Reconnect: Application" java.lang.NullPointerException: Cannot read the array length because the return value of "org.eclipse.paho.mqttv5.client.internal.ClientComms.getNetworkModules()" is null
at org.eclipse.paho.mqttv5.client.internal.ConnectActionListener.onFailure(ConnectActionListener.java:195)
at org.eclipse.paho.mqttv5.client.internal.ConnectActionListener.connect(ConnectActionListener.java:248)
at org.eclipse.paho.mqttv5.client.MqttAsyncClient.connect(MqttAsyncClient.java:783)
at org.eclipse.paho.mqttv5.client.MqttAsyncClient.attemptReconnect(MqttAsyncClient.java:1583)
at org.eclipse.paho.mqttv5.client.MqttAsyncClient.access$2(MqttAsyncClient.java:1578)
at org.eclipse.paho.mqttv5.client.MqttAsyncClient$ReconnectTask.run(MqttAsyncClient.java:1623)
at java.base/java.util.TimerThread.mainLoop(Timer.java:566)
at java.base/java.util.TimerThread.run(Timer.java:516)
Maybe close() should invoke stopReconnectCycle()?
Alternatively, ReconnectTask should not invoke attemptReconnect() if client was closed?
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Line with NPE is: https://github.com/eclipse/paho.mqtt.java/blob/master/org.eclipse.paho.mqttv5.client/src/main/java/org/eclipse/paho/mqttv5/client/internal/ConnectActionListener.java#L195
Maybe
close()
should invokestopReconnectCycle()
? Alternatively,ReconnectTask
should not invokeattemptReconnect()
if client was closed?