当我将pdf.js mozilla库与QT webkit集成时，当pdf有jpeg图像时它没有显示图像时出现错误
pdf.viewer.js calling readFromStorage function and runhandlers function of pdf.viewer.js javascript and show warnings/errors which are listed below :
Warning: Load test font never loaded.
Warning: Error during JPEG image loading
Warning: Dependent image isn't ready yet
Warning: Unhandled rejection: TypeError: null is not an object (evaluating 'localStorage.getItem')