INSTALL PLUGIN example SONAME 'ha_example.so'; ERROR HY000: Can't open shared library 'ha_example.so' (errno: 0 Loading of experimental plugin EXAMPLE is prohibited by --plugin-maturity=stable) INSTALL SONAME 'ha_example.so'; ERROR HY000: Can't open shared library 'ha_example.so' (errno: 0 Loading of experimental plugin EXAMPLE is prohibited by --plugin-maturity=stable) show warnings; Level Code Message Error 1126 Can't open shared library 'ha_example.so' (errno: 0 Loading of experimental plugin EXAMPLE is prohibited by --plugin-maturity=stable) Error 1126 Can't open shared library 'ha_example.so' (errno: 0 Loading of experimental plugin UNUSABLE is prohibited by --plugin-maturity=stable)