为了兼容手机emoji表情，按照网上解决方案升级了mysql 数据库后设置表字段类型以及服务器字符集信息
也尝试了更换过JDBC驱动：mysql-connector-java-5.1.21.jar、mysql-connector-java-5.1.29.jar
可是问题依旧!!

错误信息
Caused by: java.sql.SQLException: Incorrect string value: “”\xF0\x9F\x8F\xAC\xF0\x9F…”” for column “”REMARKS”” at row 1

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1074)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4074)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4006)

at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2468)

at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2629)

at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2719)
—

show create table …..

CREATE TABLE `XX_DEFINE` (

`ID` bigint(20) NOT NULL AUTO_INCREMENT,

`REMARKS` varchar(4000) COLLATE utf8mb4_bin DEFAULT NULL,

PRIMARY KEY (`ID`)

) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin

—

SHOW VARIABLE ….

+–+–+

| Variable_name            | Value              |

+–+–+

| character_set_client     | utf8mb4            |

| character_set_connection | utf8mb4            |

| character_set_database   | utf8mb4            |

| character_set_filesystem | binary             |

| character_set_results    | utf8mb4            |

| character_set_server     | utf8mb4            |

| character_set_system     | utf8               |

| collation_connection     | utf8mb4_unicode_ci |

| collation_database       | utf8mb4_unicode_ci |

| collation_server         | utf8mb4_unicode_ci |

+–+–+

—

[root@localhost lib]# uname -a

Linux localhost.localdomain 2.6.32-358.18.1.el6.x86_64 #1 SMP Wed Aug 28 17:19:38 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

—

[root@localhost lib]# mysql -V

/usr/local/mysql/bin/mysql  Ver 14.14 Distrib 5.6.20, for linux-glibc2.5 (x86_64) using  EditLine wrapper