实例化bean失败；嵌套的异常是org.springframework.beans.BeanInstantiationException：无法实例化

Question

测试时，得到所需的输出。代码中也没有错误。

但是，当我启动程序时，当我单击“创建”按钮（触发检查主机方法的位置）时，出现此异常：

   public String[] hostGame()  throws SQLException {

            FS = "FinancialSector_".trim() + gameName.trim();

                    System.out.println("Insert recode to main table");
                    st = con.createStatement();
                    String queryq = "insert into StorkMgame (GameName,PlayerName,GameStatus) VALUE ('" + gameName + "','" + name + "',FALSE);";//game name
                    st.executeUpdate(queryq);

                    System.out.println("Creating table for game");
                    st = con.createStatement();
                    String query2 = "CREATE TABLE " + gameName + " (PlayerNumber INTEGER  NOT NULL AUTO_INCREMENT , PlayerName VARCHAR(20),GameName VARCHAR(20),GameStatus INTEGER,PRIMARY KEY (PlayerNumber))";//Game name insert
                    st.executeUpdate(query2);

                    st = con.createStatement();
                    String query = "insert into " + gameName + " (PlayerName,GameStatus) VALUE ('" + name + "',FALSE);";
                    st.executeUpdate(query);

                    st = con.createStatement();
                    String query4 = "CREATE TABLE " + FS + "(number INTEGER  NOT NULL AUTO_INCREMENT ,GameName VARCHAR(20),Sector VARCHAR(20),comapanyName VARCHAR(20),newnominalValue float(20),oldnominalValue float(20),numberOfShares INTEGER(20),PLock INTEGER(5), PRIMARY KEY (Number))";
                    st.executeUpdate(query4);



                    int[] list = {1, 2, 3,4,5,6,7,8,9,10};
                    Random random = new Random();
                    int arrayElement = random.nextInt(list.length);

                    System.out.println(arrayElement);
                    if (arrayElement == 0) {
                        findIndex = 1;
                        list = removeTheElement(list, arrayElement);
                    } else {
                        findIndex = arrayElement;
                        list = removeTheElement(list, arrayElement - 1);

                    }

                    System.out.println(arrayElement);


                    System.out.println("Resultant Array: " + Arrays.toString(list));
                    for (int i = 0; i < 4; i++) //need to run 4 times
                    {

                        st = con.createStatement();
                        rs = st.executeQuery("SELECT * FROM financialSector_main WHERE Number= '" + findIndex + "';");//selecte data to each sector
                        while (rs.next()) {
                            String CM = rs.getString("comapanyName");
                            String CV = rs.getString("nominalValue");
                            String NS = rs.getString("numberOfShares");
                            System.out.print(CM);

                            st = con.createStatement();
                            String query0 = "insert into " + FS + " (GameName,Sector,comapanyName,newnominalValue,oldnominalValue,numberOfShares,PLock) VALUE ('" + gameName + "','Financial','" + CM + "','" + CV + "', 0 ,'" + NS + "',0)";
                            st.executeUpdate(query0);
                        }
                        }

                    }

                //Generate Random Market
                Integer[] Values = {-2, -1, 0, 1, 2};
                Random rand = new Random();
                int n;
                int nominalvalue;
                int newnominalvalue;
                int randNum;
                int T;
                for (int i = 0; i < 4; i++) {//need to run 4 times

                    for (int c = 1; c <= 12; c++) {


                        //return T;

                        st = con.createStatement();
                        rs = st.executeQuery("SELECT * FROM financialSector_main WHERE Number= '" + findIndex + "';");//select data for each sector
                        while (rs.next()) {
                            String CMF = rs.getString("comapanyName");
                            String CVF = rs.getString("nominalValue");
                            // String NS = rs.getString("numberOfShares");
                            System.out.print(CMF);
                            nominalvalue = Integer.parseInt(CVF);
                            System.out.println(nominalvalue);
                            n = rand.nextInt(5);
                            randNum = Values[n];
                            //System.out.println(Values[n]);
                            //System.out.println(randNum);
                            //System.out.println(c);
                            //int nv = 1;
                            T = randNum * nominalvalue;
                            newnominalvalue = nominalvalue - T;
                            System.out.println(newnominalvalue);

                            st = con.createStatement();
                            String query0 = "insert into " + FS + " (comapanyName,newnominalValue,PLock) VALUE ('" + gameName + "','Financial','" + CMF + "','" + CVF + "', 0 )";
                            st.executeUpdate(query0);
                        }


                                    }

                                }
                            //}