java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference

GitHub | rledford | 5 months ago
  1. 0

    UsbSerialDevice Null Pointer

    GitHub | 5 months ago | rledford
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference
  2. 0

    Android Question - USB 0.96 Issues | B4X Community - Android, iOS, desktop, server and IoT programming tools

    b4x.com | 9 months ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference
  3. 0

    NullPointerException in WorkerThread.run

    GitHub | 8 months ago | MarkoKatic
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference
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  5. 0

    Why aren't my objects instantiating under certain resume conditions?

    Stack Overflow | 7 months ago | Travis Dewitt
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.graphics.drawable.BitmapDrawable.setVisible(boolean, boolean)' on a null object reference
  6. 0

    Runtime error

    GitHub | 2 years ago | johnamcruz
    java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.util.concurrent.atomic.AtomicBoolean.compareAndSet(boolean, boolean)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'boolean java.nio.ByteBuffer.isDirect()' on a null object reference

      at android.hardware.usb.UsbRequest.dequeue()
    2. Android Platform
      UsbDeviceConnection.requestWait
      1. android.hardware.usb.UsbRequest.dequeue(UsbRequest.java:156)
      2. android.hardware.usb.UsbDeviceConnection.requestWait(UsbDeviceConnection.java:230)
      2 frames
    3. com.felhr.usbserial
      UsbSerialDevice$WorkerThread.run
      1. com.felhr.usbserial.UsbSerialDevice$WorkerThread.run(UsbSerialDevice.java:213)
      1 frame