Steps to reproduce,
1. Setup liferay instance, using Chinese as default language in setup wizard.
**configure MySQL as database created with utf8 character set.
2. Go to Control Panel and Server Administration.
3. Select Data Migration.
4. Fill into target database information and execute.
5. Migration itself is successfully finished, but error occurs in browser and logged into catalina.out.
Even though I got error, it works fine with connecting target database.