MySQL doesn't start from Terminal, Mac OS El Capitan; none of solutions found work

Question

I have read a few possible solutions on how to fix the problem with starting MySQL from the terminal. None has worked.

My system Mac OS El Capitan.

Whenever I try to start mysql from Terminal, I get this error:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

If I try to get connected via browser to phpmyadmin, I enter a correct user (root in my case) and a password, I get the following:

#2002 - No such file or directory — The server is not responding (or the local server's socket is not correctly configured).
mysqli_real_connect(): (HY000/2002): No such file or directory

Here is very briefly information on the problem, and what I have checked. Trying to solve the issue I did the following:

(1) have created /etc folder in /usr/local/mysql

(2) copied my-default.cnf in /usr/local/mysql/support-files , the copy is named my.cnf ; moved my.cnf to

/usr/local/mysql/etc
directory

but didn't change the file anyhow, didn't add anything to it manually; so it still have default configurations;

(3) ran in terminal:

netstat -na |grep 3306

tcp46      0      0  *.3306                 *.*                    LISTEN

(4) than ran:

ps aux | grep mysql

got this:

    mynamehere            2575   1.3  0.0  2444056    824 s000  S+   12:29PM   0:00.01 grep mysql
_mysql           989   0.0  0.2  2893920   8896   ??  Ss   10:21AM   0:04.62 /usr/local/mysql/bin/mysqld --user=_mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --plugin-dir=/usr/local/mysql/lib/plugin --log-error=/usr/local/mysql/data/mysqld.local.err --pid-file=/usr/local/mysql/data/mysqld.local.pid

From this I see that I have a correct user=_mysql

(5) tried again to run mysql from the terminal using mysql -v -u root –p , got the same error message:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock' (2)

(6) I still can get it running only via System Preferences .

(7) As the above revealed I have a correct user, so I didn't run sudo chown -R _mysql:_mysql /usr/local/var/mysql ; but I did run sudo chown -R _mysql data/ just for the sake of it, though it didn't change anything.

(8) went to: cd /Library/LaunchDaemons to see com.oracle.oss.mysql.mysqld.plist

sudo launchctl load -F com.oracle.oss.mysql.mysqld.plist

revealed that everything is running ok (this was when I have manually started mysql via system preferences):

/Library/LaunchDaemons/com.oracle.oss.mysql.mysqld.plist: service already loaded

(9) tried to see the contents of com.oracle.oss.mysql.mysqld.plist by

sudo nano com.oracle.oss.mysql.mysqld.plist

and this showed something bizarre (not the html content I have seen everywhere):

bplist00�^A^B^C^D^E^F^G^H
^K^L
^N^O^P^Q^Q^Q^T^P^U^V^Q^W^_[ExitTimeOut_^P^PWorkingDirectoryYGroupNameXDisabledY$

I will be truly grateful for your help! Thank you very much!

Answer 1

I had the same problem on Mac OSX Sierra. I ended up restoring my com.oracle.oss.mysql.mysqld.plist from TimeMachine which restored it to:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" 

"http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
    <key>Label</key>             <string>com.oracle.oss.mysql.mysqld</string>
    <key>ProcessType</key>       <string>Interactive</string>
    <key>Disabled</key>          <false/>
    <key>RunAtLoad</key>         <true/>
    <key>KeepAlive</key>         <true/>
    <key>SessionCreate</key>     <true/>
    <key>LaunchOnlyOnce</key>    <false/>
    <key>UserName</key>          <string>_mysql</string>
    <key>GroupName</key>         <string>_mysql</string>
    <key>ExitTimeOut</key>       <integer>600</integer>
    <key>Program</key>           <string>/usr/local/mysql/bin/mysqld</string>
    <key>ProgramArguments</key>
        <array>
            <string>/usr/local/mysql/bin/mysqld</string>
            <string>--user=_mysql</string>
            <string>--basedir=/usr/local/mysql</string>
            <string>--datadir=/usr/local/mysql/data</string>
            <string>--plugin-dir=/usr/local/mysql/lib/plugin</string>
            <string>--log-error=/usr/local/mysql/data/mysqld.local.err</string>
            <string>--pid-file=/usr/local/mysql/data/mysqld.local.pid</string>
             <string>--keyring-file-data=/usr/local/mysql/keyring/keyring</string>
             <string>--early-plugin-load=keyring_file=keyring_file.so</string>

        </array>
    <key>WorkingDirectory</key>  <string>/usr/local/mysql</string>
</dict>
</plist>

Answer 2

在com.oracle.oss.mysql.mysqld.plist RunAtLoad和KeepAlive设置为<true /> 。