mysql出现 Specified key was too long; max key length is 1000 bytes

往MySQL导入数据时遇到

　　Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Specified key was too long; max key length is 1000 bytes

解决方法：

　　修改mysql默认存储引擎

修改mysql配置文件

default-storage-engine=INNODB