java.lang.NullPointerException

GitHub | miketran78727 | 7 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at org.eclipse.paho.client.mqttv3.MqttTopic.validate()
  2. org.eclipse.paho
    MqttAsyncClient.unsubscribe
    1. org.eclipse.paho.client.mqttv3.MqttTopic.validate(MqttTopic.java:147)
    2. org.eclipse.paho.client.mqttv3.MqttAsyncClient.unsubscribe(MqttAsyncClient.java:917)
    3. org.eclipse.paho.client.mqttv3.MqttAsyncClient.unsubscribe(MqttAsyncClient.java:898)
    3 frames
  3. com.ibm.iotf
    ManagedDevice$ManagedDeviceClient.unsubscribe
    1. com.ibm.iotf.devicemgmt.device.ManagedDevice.unsubscribe(ManagedDevice.java:636)
    2. com.ibm.iotf.devicemgmt.device.ManagedDevice$ManagedDeviceClient.unsubscribe(ManagedDevice.java:977)
    2 frames
  4. com.ibm.internal
    DMRequestHandler.clearRequestHandlers
    1. com.ibm.internal.iotf.devicemgmt.handler.DMRequestHandler.clearRequestHandlers(DMRequestHandler.java:239)
    1 frame
  5. com.ibm.iotf
    ManagedDevice.sendUnmanageRequest
    1. com.ibm.iotf.devicemgmt.device.ManagedDevice.sendUnmanageRequest(ManagedDevice.java:530)
    1 frame
  6. com.ibm.iotcloud
    FirmwareActions.teardownTest
    1. com.ibm.iotcloud.test.jmeter.sampler.dm.FirmwareActions.deleteDevice(FirmwareActions.java:193)
    2. com.ibm.iotcloud.test.jmeter.sampler.dm.FirmwareActions.teardownTest(FirmwareActions.java:256)
    2 frames
  7. Apache JMeter Java
    JavaSampler.testEnded
    1. org.apache.jmeter.protocol.java.sampler.JavaSampler.testEnded(JavaSampler.java:292)
    1 frame
  8. Apache JMeter Core
    StandardJMeterEngine.run
    1. org.apache.jmeter.engine.StandardJMeterEngine.notifyTestListenersOfEnd(StandardJMeterEngine.java:215)
    2. org.apache.jmeter.engine.StandardJMeterEngine.run(StandardJMeterEngine.java:436)
    2 frames
  9. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame