[root@test62 ~]# cat /etc/my.cnf | grep utf8
character-set-server=utf8
collation-server=utf8_unicode_ci

[root@test62 data]# cat ./data.properties | grep db.url
db.url=jdbc:mysql://127.0.0.1/bgbilling?useUnicode=true&characterEncoding=UTF-8&allowUrlInLocalInfile=true&zeroDateTimeBehavior=convertToNull&jdbcCompliantTruncation=false&elideSetAutoCommits=true&cachePrepStmts=true&useCursorFetch=true&queryTimeoutKillsConnection=true&connectTimeout=1000

http://10.0.6.152:8080/bgbilling/executer?BGBillingSecret=bldKF1hltExrdvEWLLuSdQ4o&labelIds=&showUsed=2&contractCount=true&pageIndex=1&module=tariff&action=ListTariffPlans&pageSize=999&titleMask=%D0%BF%D0%BE%D0%B4%D0%BD%D0%B5%D0%B2%D0%BD%D0%BE%D0%B9&moduleId=&

show create table tariff_plan

mysql> show create table tariff_plan;
+-------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table       | Create Table                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
+-------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| tariff_plan | CREATE TABLE tariff_plan (
  id int(11) NOT NULL AUTO_INCREMENT,
  title varchar(200) COLLATE utf8_unicode_ci NOT NULL DEFAULT '',
  title_web varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  lm datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
  actual int(11) NOT NULL DEFAULT '0',
  gr bigint(20) NOT NULL,
  pattern varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
  face tinyint(4) DEFAULT NULL,
  tree_id int(11) NOT NULL,
  PRIMARY KEY (id)
) ENGINE=InnoDB AUTO_INCREMENT=1051 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci |
+-------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)

mysql>

bgbilling   CREATE DATABASE `bgbilling` /*!40100 DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci */

character_set_client   utf8
character_set_connection   utf8
character_set_database   utf8
character_set_filesystem   binary
character_set_results   
character_set_server   utf8
character_set_system   utf8
character_sets_dir   /usr/share/percona-server/charsets/

collation_connection   utf8_general_ci
collation_database   utf8_unicode_ci
collation_server   utf8_unicode_ci

bgbilling   CREATE DATABASE `bgbilling` /*!40100 DEFAULT CHARACTER SET cp1251 */

character_set_client   utf8
character_set_connection   utf8
character_set_database   cp1251
character_set_filesystem   binary
character_set_results   
character_set_server   utf8
character_set_system   utf8
character_sets_dir   /usr/share/mysql/charsets/

collation_connection   utf8_unicode_ci
collation_database   cp1251_general_ci
collation_server   utf8_unicode_ci

/bgbilling?useUnicode=true&characterEncoding=UTF-8&connectionCollation=utf8_unicode_ci&allowUrlInLocalInfile=true&zeroDateTimeBehavior=convertToNull&jdbcCompliantTruncation=false&elideSetAutoCommits=true&cachePrepStmts=true&useCursorFetch=true&queryTimeoutKillsConnection=true&connectTimeout=1000

ALTER DATABASE databasename CHARACTER SET utf8 COLLATE utf8_unicode_ci;

ALTER DATABASE bgbilling CHARACTER SET utf8 COLLATE utf8_unicode_ci;