PHP Warning mysqli connect HY000 2002 Connection refused

Question

I am using PHP 5 5 and MAMP  downloaded from here    I have a basic script like this    lt  php  servername    127 0 0 1    username    root    password    root       Create connection  conn   mysqli connect  servername   username   password       Check connection if    conn        die  Connection failed      mysqli connect error       echo  Connected successfully     gt    and when I run this script I get this error   PHP Warning   mysqli connect     HY000 2002   Connection refused in  Applications MAMP htdocs test test php on line 7   Is there some configuration issue that I need to set up within MAMP or PHP

User · Accepted Answer

In case anyone else comes by this issue  the default port on MAMP for mysql is 8889  but the port that php expects to use for mysql is 3306  So you need to open MAMP  go to preferences  and change the MAMP mysql port to 3306  then restart the mysql server  Now the connection should be successful with host localhost  user root  pass root

User · Answer

For me to make it work again I just deleted the files      ib logfile0   and      ib logfile1      from      Applications MAMP db mysql56 ib logfile0    Mac 10 13 3  MAMP Version 4 3  853

User · Answer

In my case I was using XAMPP  and there was a log that told me the error  To find it  go to the XAMPP control panel  and click  Configure  for MySQL  then click on  Open Log    The most current data of the log is at the bottom  and the log is organized by date  time  some number  and text in brackets that may say  Note  or  Error   One that says  Error  is likely causing the issue   For me  my error was a tablespace that was causing an issue  so I deleted the database files at the given location   Note  The tablespace files for your installation of XAMPP may be at a different location  but they were in  opt lampp var mysql for me  I think that s typical of XAMPP on Debian-based distributions  Also  my instructions on what to click in the control panel to see the log may be a bit different for you because I m running XAMPP on an Ubuntu-based distribution of Linux  Feren OS

User · Answer

In WAMP  right click on WAMP tray icon then change the port from 3308 to 3306 like this

User · Answer

You have to change the mamp Mysql Database port into 8889

User · Answer

Sometimes you need to include mysql db port id in the server like so    serverName    127 0 0 1 3307

[php] PHP Warning: mysqli_connect(): (HY000/2002): Connection refused

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