There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • java.lang.NullPointerException at org.eclipse.paho.client.mqttv3.MqttTopic.validate( at org.eclipse.paho.client.mqttv3.MqttAsyncClient.unsubscribe( at org.eclipse.paho.client.mqttv3.MqttAsyncClient.unsubscribe( at at$ManagedDeviceClient.unsubscribe( at at at at at at org.apache.jmeter.engine.StandardJMeterEngine.notifyTestListenersOfEnd( at at Source)
No Bugmate found.