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Insert HTML into Microsoft Word Doc in Java using Aspose.Words REST API Error

Hi, i m trying to append html to my word document through rest call. However it is giving error:{
“Error”: {
“Message”: “After parsing a value an unexpected character was encountered: m. Path ‘Text’, line 3, position 11.”
“RequestId”: “Root=1-620f7e4e-083df7480d879bb065c8939f”

Kindly see the attached file for complete requesttestFiles.zip (2.8 KB)

I am getting the following error when i make the request:

500 Internal Server Error: "{ “Error”: { “Message”: “Object reference not set to an instance of an object.” }


It looks like your HTML text issue. I have logged a ticket WORDSCLOUD-1931 in our issue tracking system for further investigation. We will keep you updated about the issue resolution progress within this forum thread.

Okay, thank you. Waiting for the response


We have investigated the issue and found the issue happens because of wrong HTML passing. When we read the HTML file to a string variable as follows, it insert HTML into Microsoft Word Doc in Java using Aspose.Words REST API without any issue.
Sample.docx (11.2 KB) Sample_output.docx (10.6 KB)

Steps to Insert HTML into Microsoft Word Doc in JAVA

  1. Free sign up with aspose.cloud to get the credentials
  2. Create an new Maven Project in Java IDE and add Aspose.Words Cloud SDK for Java Maven dependency
  3. Create an instance of Aspose.Words Cloud API
  4. Read the HTML file in a string
  5. Create ReplaceWithTextRequest to Insert HTML into the Word template from cloud storage with replaceWithText API method
  6. Run the code and that’s it

Add HTML File in Word Document JAVA

import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;

import com.aspose.words.cloud.ApiClient;
import com.aspose.words.cloud.ApiException;
import com.aspose.words.cloud.api.WordsApi;
import com.aspose.words.cloud.model.DocumentResponse;
import com.aspose.words.cloud.model.ReplaceRange.TextTypeEnum;
import com.aspose.words.cloud.model.requests.ReplaceWithTextRequest;

public class ReplaceHTMLText {

	public static void main(String[] args) throws IOException, ApiException {
		// TODO Auto-generated method stub
		// Get Client ID and Secret from https://dashboard.aspose.cloud/
		// Create an instance of Aspose.Word Cloud
		WordsApi wordsApi = new WordsApi("xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx", "xxxxxxxxxxxxxxxxxxxxxx", "https://api.aspose.cloud");
		ApiClient client = wordsApi.getApiClient();
		client.setConnectTimeout(12 * 60 * 1000);
		client.setReadTimeout(12 * 60 * 1000);
		client.setWriteTimeout(12 * 60 * 1000);

		String htmlData = new String(Files.readAllBytes(Paths.get("C:\\Temp\\intialTemplate.html")));
		com.aspose.words.cloud.model.ReplaceRange requestRangeText = new com.aspose.words.cloud.model.ReplaceRange();
		try {
			ReplaceWithTextRequest request = new ReplaceWithTextRequest("Sample.docx", "id0.0.0", requestRangeText, null, null, null, null, null, null);

			DocumentResponse result = wordsApi.replaceWithText(request);
		} catch (Exception e) {



1 Like

Thank you so much for your response. That works perfectly fine

1 Like

The issues you have found earlier (filed as WORDSCLOUD-1931) have been fixed in this update. This message was posted using Bugs notification tool by Ivanov_John