Mht to pdf - exception - "element already exists"

Aspose.HTML Product Family
1

language java 21

library
aspose-html 25.2.2

During conversion from mht to pdf, exception is thrown “element already exists”

input file
38.zip (43.6 KB)

2

@divine1

The exception “element already exists” that you are encountering during the conversion from MHT to PDF using Aspose.HTML for Java can occur due to various reasons, such as duplicate elements in the MHT file or issues with the conversion process itself.

To help you troubleshoot this issue, here are some steps you can take:

  1. Check for Duplicate Elements: Ensure that your MHT file does not contain any duplicate elements that could cause conflicts during the conversion process. You can manually inspect the MHT file or use a tool to validate its structure.

  2. Use PdfSaveOptions: When converting MHT to PDF, you can customize the conversion process using PdfSaveOptions. This allows you to specify various parameters that might help avoid conflicts. Here’s a simple example of how to implement this:

    import com.aspose.html.converters.Converter;
import com.aspose.html.saving.PdfSaveOptions;

public class MhtToPdfConverter {
    public static void main(String[] args) {
        try (java.io.FileInputStream fileInputStream = new java.io.FileInputStream("path/to/your/file.mht")) {
            PdfSaveOptions options = new PdfSaveOptions();
            options.setJpegQuality(100); // Set JPEG quality if needed
            
            // Convert MHT to PDF
            Converter.convertMHTML(fileInputStream, options, "output.pdf");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

  3. Update Library Version: Ensure that you are using the latest version of the Aspose.HTML library. Sometimes, bugs are fixed in newer releases, so updating to the latest version may resolve the issue.

  4. Review Documentation: For more detailed information on converting MHT to PDF and handling potential issues, you can refer to the official documentation on MHT to PDF conversion with Aspose.HTML for Java. This resource provides insights into various options and best practices for successful conversions.

If the problem persists after trying these steps, consider sharing more details about your MHT file structure or any specific elements that might be causing the issue. This information can help in diagnosing the problem further.

For additional examples and guidance, you can check the following resources:

Feel free to reach out if you have any more questions or need further assistance!

3

@divine1

We have opened the following new ticket(s) in our internal issue tracking system and will deliver their fixes according to the terms mentioned in Free Support Policies.

Issue ID(s): HTMLJAVA-2004

You can obtain Paid Support Services if you need support on a priority basis, along with the direct access to our Paid Support management team.

4

this issue is not fixed in aspose-html 25.3.

5

@divine1

We are afraid that the earlier logged ticket could not get resolved yet. Once we make some progress towards its resolution, we will inform you. Please be patient and spare us some time.

We are sorry for the inconvenience.