Error dropping database

MySQL: ERROR 1010 (HY000): Error dropping database (can't rmdir './sampledb', errno: 39)

Error:

          mysql> drop database sampledb;
          ERROR 1010 (HY000): Error dropping database (can't rmdir './sampledb', errno: 39)

Solution:

Open new terminal
         # cd /var/lib/mysql
         var/lib/mysql# ls
                         sampledb
/var/lib/mysql# rm -fr sampledb

Open MySQL

       mysql> drop database sampledb;
           ERROR 1008 (HY000): Can't drop database 'foodb'; database doesn't exist
      mysql> create database sampledb;
           Query OK, 1 row affected (0.00 sec)
      mysql> drop database sampledb;
           Query OK, 0 rows affected (3.38 sec)