java.lang.NullPointerException

GitHub | miketran78727 | 4 months ago
  1. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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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