Fatal error: Uncaught MongoDB\Driver\Exception\ConnectionTimeoutException: No suitable servers found (`serverSelectionTryOnce` set): [connection refused calling hello on 'localhost:27017'] in /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/mongo/vendor/mongodb/mongodb/src/Collection.php:612
Stack trace:
#0 /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/mongo/vendor/mongodb/mongodb/src/Collection.php(612): MongoDB\Driver\Manager->selectServer()
#1 /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/components/khanguyen.com.php(14): MongoDB\Collection->find()
#2 /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/components/khanguyen.com.php(42): loadModule->getCategory()
#3 /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/modules/index.php(10): loadModule->initCategory()
#4 /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/news.php(5): include_once('/home/thanhloc/...')
#5 {main}
thrown in /home/thanhloc/domains/thpt-thanhloc-tphcm.edu.vn/public_html/mongo/vendor/mongodb/mongodb/src/Collection.php on line 612