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java.lang.NoClassDefFoundError: Could not initialize class 
javax.imageio.ImageIO	at io.lumify.opencvObjectDetector.OpenCVObjectDetectorPropertyWorker.execute(OpenCVObjectDetectorPropertyWorker.java:110)	at io.lumify.core.ingest.graphProperty.GraphPropertyThreadedWrapper.run(GraphPropertyThreadedWrapper.java:63)	at java.lang.Thread.run(Thread.java:745)