MySQL error: The maximum column size is 767 bytes

Question

When I run a program which does something with MySQL, I got this error message:

2015-06-10 15:41:12,250 ERROR app.wsutils 419 INCRON: Error: (\'HY000\

Answer 1

Just add the following options to my.cnf

[mysqld]
innodb_file_format=Barracuda
innodb_file_per_table=1
innodb_large_prefix=1

Then, restart mysql server the problem will be resolved.