Hi Bashar,

i don't know the exact amount of links on your site, but if for example you have 150.000 links generating a whole sitemap in a single operation will result in a server error. This is normal because the script timeouts thus you receive the error.

For this reason JSitemap has the precaching AJAX generation to generate by steps giant sitemaps. This is explained in the PDF docs at the paragraph 'Precaching and AJAX generation'. This must be done to complement the export as splitted sitemap, and before of this operation.

Thus the correct steps are:

1. Generate the full sitemap with AJAX precaching
2. Export it with the splitting enabled
3. Upload all the chunks and submit the sitemap index to Google

We have generated sitemaps with 500.000 links with this technique, then splitted and exported in chunks of 40.000 links.

Best regards,

John