Teensy 3.2 + Octows2811 adaptor - Processing error: InvocationTargetException

adds666 · November 10, 2019, 1:48am

Hello all,

New here - wanting to make an LED TV using Teensy 3.2 and ws2811 adaptor.

https://www.pjrc.com/teensy/td_libs_OctoWS2811.html#videodisplay

OS: Ubuntu 16.04 64-bit Intel® Core™ i5-2450M CPU @ 2.50GHz × 4

Got Arduino IDE 1.8.10 working after teensyduino 1.48 installer and programmed Teensy 3.2 on ttyACM0 with ‘VideoDisplay’ sketch from ws2811 examples folder.
Installed Processing 3.5.3
Loaded movie2serial.pde sketch from ws2811 examples folder.

github.com

PaulStoffregen/OctoWS2811/blob/master/extras/VideoDisplay/Processing/movie2serial.pde

/*  OctoWS2811 movie2serial.pde - Transmit video data to 1 or more
      Teensy 3.0 boards running OctoWS2811 VideoDisplay.ino
    http://www.pjrc.com/teensy/td_libs_OctoWS2811.html
    Copyright (c) 2018 Paul Stoffregen, PJRC.COM, LLC

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

This file has been truncated. show original

Experiencing the following error with no idea how to overcome - any help is appreciated
Please let me know if you require any more input

Error message:

java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
at processing.core.PApplet.runSketch(PApplet.java:108 45)
at processing.core.PApplet.main(PApplet.java:10613)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInsta nce0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInsta nce(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newI nstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Construc tor.java:423)
at processing.core.PApplet.runSketch(PApplet.java:108 39)
… 1 more
Caused by: java.lang.NullPointerException
at processing.core.PApplet.dispose(PApplet.java:3823)
at processing.core.PApplet.die(PApplet.java:3734)
at processing.core.PApplet.die(PApplet.java:3744)
at processing.video.Movie.initGStreamer(Unknown Source)
at processing.video.Movie.(Unknown Source)
at movie2serial.(movie2serial.java:63)
… 6 more
RuntimeException: java.lang.reflect.InvocationTargetException

jeremydouglass · November 10, 2019, 1:52am

This looks video / GStreamer-related – somebody may chime in on that, as those things have seen some recent changes – but possibly see also past discussions involving Teensy:

https://discourse.processing.org/search?q=teensy

adds666 · November 10, 2019, 8:22pm

Strangely, just downloaded Processing on a Macbook pro and the same sketch runs fine with no errors

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Teensy 3.2 + Octows2811 adaptor - Processing error: InvocationTargetException

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