org.bytedeco.javacv.FrameGrabber$Exception: read() Error: Could not read frame in start().

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    Root Cause Analysis

    1. org.bytedeco.javacv.FrameGrabber$Exception

      read() Error: Could not read frame in start().

      at org.bytedeco.javacv.OpenCVFrameGrabber.start()
    2. org.bytedeco.javacv
      OpenCVFrameGrabber.start
      1. org.bytedeco.javacv.OpenCVFrameGrabber.start(OpenCVFrameGrabber.java:211)
      1 frame
    3. org.bytedeco.procamcalib
      CalibrationWorker.doInBackground
      1. org.bytedeco.procamcalib.CalibrationWorker.doInBackground(CalibrationWorker.java:197)
      1 frame
    4. Java RT
      Thread.run
      1. javax.swing.SwingWorker$1.call(SwingWorker.java:296)
      2. java.util.concurrent.FutureTask.run(FutureTask.java:262)
      3. javax.swing.SwingWorker.run(SwingWorker.java:335)
      4. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      5. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      6. java.lang.Thread.run(Thread.java:745)
      6 frames