Warning: mysqli_connect(): (HY000/2002): Connection refused in /var/www/paduc.hu/Classes/CurDB.class.php on line 49

Warning: mysqli_thread_id() expects parameter 1 to be mysqli, boolean given in /var/www/paduc.hu/Classes/CurDB.class.php on line 123

Warning: mysqli_errno() expects parameter 1 to be mysqli, boolean given in /var/www/paduc.hu/Classes/CurDB.class.php on line 65

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /var/www/paduc.hu/Classes/CurDB.class.php on line 76

Error :-(

Database error on connection : Cannot execute query. in /var/www/paduc.hu/Classes/CurDB.class.php at line #94

trace:
#0 /var/www/paduc.hu/Classes/Page.php(88): CurDB::executeQuery('SELECT page_id ...')
#1 /var/www/paduc.hu/rewriterules.php(23): Page::emulateRequestBySEOURL('sitema')
#2 /var/www/paduc.hu/rewriterules.php(16): RewriteRute->searchSeoUrl()
#3 /var/www/paduc.hu/rewriterules.php(35): RewriteRute->__construct('sitema')
#4 /var/www/paduc.hu/index.php(8): require('/var/www/paduc....')
#5 {main}

__toString():
Error of type CurDBQueryException occured. The request cannot be completed at the moment.

dump:
CurDBQueryException Object
(
    [params] => Array
        (
            [sent_sql] => SELECT page_id FROM page WHERE seourl="" LIMIT 1
            [server_response] => 
        )

    [message:protected] => Database error on connection : Cannot execute query.
    [string:Exception:private] => 
    [code:protected] => 0
    [file:protected] => /var/www/paduc.hu/Classes/CurDB.class.php
    [line:protected] => 94
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /var/www/paduc.hu/Classes/Page.php
                    [line] => 88
                    [function] => executeQuery
                    [class] => CurDB
                    [type] => ::
                    [args] => Array
                        (
                            [0] => SELECT page_id FROM page WHERE seourl="" LIMIT 1
                        )

                )

            [1] => Array
                (
                    [file] => /var/www/paduc.hu/rewriterules.php
                    [line] => 23
                    [function] => emulateRequestBySEOURL
                    [class] => Page
                    [type] => ::
                    [args] => Array
                        (
                            [0] => sitema
                        )

                )

            [2] => Array
                (
                    [file] => /var/www/paduc.hu/rewriterules.php
                    [line] => 16
                    [function] => searchSeoUrl
                    [class] => RewriteRute
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [3] => Array
                (
                    [file] => /var/www/paduc.hu/rewriterules.php
                    [line] => 35
                    [function] => __construct
                    [class] => RewriteRute
                    [type] => ->
                    [args] => Array
                        (
                            [0] => sitema
                        )

                )

            [4] => Array
                (
                    [file] => /var/www/paduc.hu/index.php
                    [line] => 8
                    [args] => Array
                        (
                            [0] => /var/www/paduc.hu/rewriterules.php
                        )

                    [function] => require
                )

        )

    [previous:Exception:private] => 
)