Could you show output of the following command?
# alternatives --config libbaccats.so
Because there is postgresql activated by default on CentOS6
# alternatives --config libbaccats.so
There are 3 programs which provide 'libbaccats.so'.
Selection Command
-----------------------------------------------
1 /usr/lib64/libbaccats-mysql.so
2 /usr/lib64/libbaccats-sqlite3.so
*+ 3 /usr/lib64/libbaccats-postgresql.so
Enter to keep the current selection[+], or type selection number: