Viewing category won’t show up Custom post type posts

by

Blockquote

Taxonomy category with a term with id 9 dosen’t have a posts with post type blog.

Are you sure that you using native category taxonomy for CPT blogs posts?

function query_report($sql){
    var_dump($sql);
    echo '<hr>';
    return $sql;
}
add_filter('query', 'query_report');
query_posts($your_arguments);
remove_filter('query', 'query_report');