I am trying to upload a document which is originally created in powerpoint 2003. To save the document, i am using the following code where is is the Inputstream object.
InputStream is = "some input strem input"
PresentationEx pres = new PresentationEx(is);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
pres.save(baos, SaveFormat.PPTX);
This step results in the following error:
java.lang.IllegalArgumentException: a:extLst
at com.aspose.slides.obfuscated.dx.byte(SourceFile:677)
at com.aspose.slides.obfuscated.dx.try(SourceFile:708)
at com.aspose.slides.obfuscated.azk.do(SourceFile:15)
at com.aspose.slides.obfuscated.bap.void(SourceFile:63)
at com.aspose.slides.obfuscated.azn.void(SourceFile:62)
at com.aspose.slides.obfuscated.azn.void(SourceFile:62)
at com.aspose.slides.obfuscated.azn.void(SourceFile:62)
at com.aspose.slides.obfuscated.azn.void(SourceFile:62)
at com.aspose.slides.obfuscated.azm.h(SourceFile:161)
at com.aspose.slides.pptx.PresentationEx.do(SourceFile:941)
at com.aspose.slides.pptx.PresentationEx.do(SourceFile:952)
at com.aspose.slides.pptx.PresentationEx.do(SourceFile:772)
at com.aspose.slides.pptx.PresentationEx.write(SourceFile:1209)
at com.aspose.slides.pptx.PresentationEx.save(SourceFile:1815)
at com.aspose.slides.pptx.PresentationEx.save(SourceFile:1766)
Any opinion about the issue will certainly help.
Thanks