The Capability for Java Components(Aspose.Slides for Java 16.1.0)


There is a big issue that we just have met

It only takes 7.6 seconds when we use .net to convert ppt(55.7MB) into html ,but it takes 300 seconds to convert by Java

Meanwhile, the use of computer resoure is very high when we use java component to convert the text.
Comparation(Platform:Windows 8)
.NET: CPU 25%, Memery 200MB
Java: CPU 79%, Memery 7.75GB/8GB

Even, it is slower when we run it on Linux Platform.

The software version is Aspose.Slides for Java 16.1.0

Souce code:
Presentation pres = new Presentation("C:\\Users\\jinn\\Desktop\\这九年,我们的内容管理.pptx");"C:\\Users\\jinn\\Desktop\\pdf.html",com.aspose.slides.SaveFormat.Html);

MeanWhile,is there any special settings that we do not know. Would you please help us to solve this issue.

We shall aprreciate it very much if you can help us to fix issue or response us as soon as possible

Thank you!

Best Wishes!

by Jin


Hi Jin,

Thank you for your interest in Aspose.Slides.

I have observed your comments and like to request you to please share with us the source file to reproduce the issue so that we may investigate it further to help you out.

Best Regards,


Sorry,we can’t attach the source file(50.7MB) because of "Server Error

404 - File or directory not found.
The resource you are looking for might have been removed, had its name changed, or is temporarily unavailable."

Could you choose a ppt( more than 20MB) to have a try? It always happen when we use Java components.

We provide a new ppt(17.3) for you:
(Platformwindows 8).NET Component: 15.9s
(Platformwindows 8)Java Component: 35.7s
(Platdorm:Linux)Java Component: 113s(It is just we need to oem, too slowly)


Hi Jin,

I have observed your comments and like to share with you that, for quality assurance purpose, we need the files to be shared by you. You may share with us a file by uploading it to any free file hosting service like Google Drive, One drive, Dropbox etc, so that we may proceed further to help you out.

Best Regards,


We have already post a pptx(aaa.pptx) for you last reply(700820 in reply to 700766)

Would you please locate and track our issue beyond the information and feedback to us as soon as possible.

It is the decisive factor for us to make decision to change the license(from JAVA to .NET ) or abandon Aspose service in the later 2 days .

Thank you very much.


Hi Jin,

I have observed your comments and like to share with you that we requested for the file having size more than 20 MB as mentioned by you. However, with the file that you have shared (aaa.pptx), a performance issue with ID SLIDESJAVA-35289 has been logged in our issue management system for further investigation and resolution. This thread has been linked with the issue so that you may be notified as soon as the issue will be resolved.

We are sorry for your inconvenience,


Thank you for your help.

Unfortunately, we can’t wait for you to solve the issue. We have used the license of .NET instead of java to solve our issue because of our business.

But we will continue to follow the solution to this issue until it is resolved. Maybe we will use the Java component again at that time。

Best Wishes & Waiting for your good news!


Hi Jin,

I have observed your comments and like to share with you that we understand your concerns and owing to acuteness of this issue, it has been scheduled for investigations in current week. We will keep you posted about our findings.

Best Regards,


The issues you have found earlier (filed as SLIDESJAVA-35289) have been fixed in this update.