mysql - Application closing when Activating the Connection on FireDAC -


i developed application uses firedac connect mysql database. when try open on workstation, @ moment set connected := true; on tfdconnection, application closes without showing exception. surrounded try...except, still doesn't show no error message @ all. here's code i'm using set connection:

procedure tfrmservidor.confconnection; begin   conmysql begin     drivername := lexml.strings[5];     params.add('server=' + lexml.strings[3]);     params.add('port=' + lexml.strings[4]);     params.add('database=' + lexml.strings[0]);     params.add('user_name=' + lexml.strings[1]);     params.add('password=' + lexml.strings[2]);     showmessage(params.text);   end;    try      conmysql.connected := true;   except      on e : exception        showmessage(e.message);   end; end;

where lexml function reads xml file properties , returns values on tstringlist.
i'm doing wrong? showmessage params text returns following: 

[window title] servidor  [content] driverid=mysql server=10.1.1.16 port=3306 database=treinamentos user_name=treinamentos password=masterkey   [ok]

can help?


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