Postgresql post_parse_analyze_hook not getting triggered for COMMIT command

Connection conn = null;
PreparedStatement pstmt = null;
        ResultSet rs = null;// insert an actor into the actor table
String SQLInsertActor = "INSERT INTO actor(first_name,last_name) VALUES(?,?)";try {
    // connect to the database
    conn = connect();
    conn.setAutoCommit(false);
    int i=0;    while (i < 5) {
        // add actor
        pstmt = conn.prepareStatement(SQLInsertActor, Statement.RETURN_GENERATED_KEYS);
        pstmt.setString(1, actor.getFirstName());
        pstmt.setString(2, actor.getLastName());
        pstmt.executeUpdate();        // commit the transaction if everything is fine
        conn.commit();
        i++;
    }
}