DB Error: connect failed

[robertece]

DB Error in /var/www/html/roundcube/program/include/rcube_db.inc (105): DB Error: connect failed

Warning: Cannot modify header information - headers already sent in /var/www/html/roundcube/program/include/rcube_shared.inc on line 13

SERVICE CURRENTLY NOT AVAILABLE!
DB Error: connect failed

Permision of db.inc.php
-----------------------
-rw-r--r-- 1 qmaill 80 2140 Oct 16 11:58 db.inc.php

My db.inc.php configuration
--------------------------

/*
 +-----------------------------------------------------------------------+
 | Configuration file for database access                |
 |                                    |
 | This file is part of the RoundCube Webmail client           |
 | Copyright (C) 2005, RoundCube Dev. - Switzerland           |
 | Licensed under the GNU GPL                      |
 |                                    |
 +-----------------------------------------------------------------------+

*/

$rcmail_config = array();

// PEAR database DSN for read/write operations
// format is db_provider://user:password@host/databse
// currentyl suported db_providers: mysql, sqlite

$rcmail_config['db_dsnw'] = 'mysql://roundcube:*******@localhost/roundcube';
// postgres example: 'pgsql://roundcube:pass@localhost/roundcubemail';
// sqlite example: 'sqlite://./sqlite.db?mode=0646';

// PEAR database DSN for read only operations (if empty write database will be used)
// useful for database replication
$rcmail_config['db_dsnr'] = '';

// database backend to use (only db or mdb2 are supported)
$rcmail_config['db_backend'] = 'db';

// maximum length of a query in bytes
$rcmail_config['db_max_length'] = 512000; // 500K

// use persistent db-connections
$rcmail_config['db_persistent'] = TRUE;


// you can define specific table names used to store webmail data
$rcmail_config['db_table_users'] = 'users';

$rcmail_config['db_table_identities'] = 'identities';

$rcmail_config['db_table_contacts'] = 'contacts';

$rcmail_config['db_table_session'] = 'session';

$rcmail_config['db_table_cache'] = 'cache';

$rcmail_config['db_table_messages'] = 'messages';


// you can define specific sequence names used in PostgreSQL
$rcmail_config['db_sequence_users'] = 'user_ids';

$rcmail_config['db_sequence_identities'] = 'identity_ids';

$rcmail_config['db_sequence_contacts'] = 'contact_ids';

$rcmail_config['db_sequence_cache'] = 'cache_ids';

$rcmail_config['db_sequence_messages'] = 'message_ids';


// end db config file
?>

Please let me know how to fix this error, I tried a lot whether i need to install any any packages.

Thanks in advance for the help!!

[daashag]

check this thread.

http://roundcubeforum.net/forum/index.php?topic=644.0