Hi everyone! I’m having trouble connecting to my MySQL database and keep getting error messages. The errors say things like “Connection failed to MySQL server at 127.0.0.1:3306 for user root” and “Cannot establish connection to localhost:3307”. I’ve tried looking at different guides online but nothing seems to work for me. Can someone help me understand what might be going wrong? I’m pretty new to this and would appreciate any suggestions on how to troubleshoot these connection problems. Thanks in advance!
if mysql ain’t running, that’s likely the issue. for windows, peek at services.msc and ensure it’s up. on linux, try sudo service mysql status. also, check your port settings, seeing 3306 and 3307 could be confusing.
Been there with MySQL headaches. Newer versions changed authentication methods - that’s probably what’s hitting you. Try a different user first to see if it’s just root acting up. Check your my.cnf or my.ini file for bind-address settings. Sometimes it’s locked to specific IPs only. The 3306/3307 port mix-up screams multiple MySQL instances fighting each other. If it’s auth problems, reset root password with mysqld --skip-grant-tables. Don’t forget your firewall - it’ll block connections even when everything else works fine.
Check your username and password first - wrong credentials kill most connections instantly. I’ve hit this exact issue when MySQL stopped after system updates. Run netstat -an | grep 3306 to see what port MySQL’s actually using. Those mixed ports you mentioned? Sounds like multiple installations or screwed up config files. Also check your host parameter - some apps default to ‘localhost’ when they need ‘127.0.0.1’ or the other way around. Connecting remotely? Make sure your MySQL user isn’t stuck with localhost-only permissions.
your mysql service is likely down or misconfigured. try restarting it first, then ping localhost to see if it responds. also check your db name in the connection string - typos there cause weird issues.