Hi @arpitv27529355 @ka786 I have figured it out. jcr:mimeType was
incorrect on below path for generated file
stream./content/dam/myprojectfolder/mytextfile.txt/jcr:content/renditions/original/jcr:contentTo
fix this updated the code provided mimeType as "text/plain", below is
the codeAssetManager
assetManager=resourceResolver.adaptTo(AssetManager.class);assetManager.createAsset(fileName,
stream, "text/plain", true);