I am using latest version of Aspose.Slides.
I get exception in the PresentationEx constructor each time.
Stack:
java.lang.NullPointerException
at com.aspose.slides.PptxFile.for(Unknown Source)
at com.aspose.slides.PptxFile.(Unknown Source)
at com.aspose.slides.PresentationEx.int(Unknown Source)
at com.aspose.slides.PresentationEx.if(Unknown Source)
at com.aspose.slides.PresentationEx.(Unknown Source)
at com.aspose.slides.PresentationEx.(Unknown Source)