import java

java.lang.Class.forName('org.postgresql.Driver')

try:
    con= java.sql.DriverManager.getConnection('jdbc:postgresql:skdb', 'admin', '')
    # raise an SQLException because I have no postgres server
except java.sql.SQLException, e:
    print 'Caught SQLException'
    print 'Class:', e.getClass().getName()     # print Class: org.postgresql.util.PSQLException
    print 'Base class:', e.getClass().getSuperclass().getName()   # print Base class: java.sql.SQLException
else:
    print 'UnCaught'