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這個程序從Excel有以下的列在一個特定的順序讀取數據：ORA-00957：重複列名，同時將數據從Excel到Oracle DB
號碼，簡短說明，優先級，狀態，類別，子類別，分辨率錯誤，分辨率類型，待處理原因，事件結束時間，事件開始時間，活動，已關閉，評論和工作記錄，已創建，創建者，影響，事件的配置項目，分配組，打開，更新，打開開始時間，事件的狀態，由開業，分配組，解決時間，解決，解決的日期，時間分辨，在級別，嚴重性，LOB，接觸式解決
private static SimpleDateFormat inputSdf=new SimpleDateFormat("dd-MMM-yyyy");//MM/dd/yyyy hh:mm:ss aaa
private static SimpleDateFormat outputSdf=new SimpleDateFormat("yyyy-MM-dd");
private static String query=null;
private static String checkQuery=null;
private static String delQuery=null;
private static String maxIdQuery=null;
static{
String tableName="SUPPORT_NEW";
StringBuffer buffer=new StringBuffer();
buffer.append("INSERT INTO "+tableName+" (");
buffer.append(" SPRT_ID, SPRT_NBR, SPRT_DESC, PRTY_TXT, ST_TXT, ");
buffer.append(" CTGY_TXT, SCTGY_TXT, CONF_ITEM_TXT, ASGMT_GRP_TXT, OPENED_TMSTP, ");
buffer.append(" UPDATED_TMSTP, OPENED_BY_TXT, RES_NOTE_TXT, RES_ERROR_TXT, RES_TYPE_TXT, ");
buffer.append(" PEND_RESN_TXT, EVENT_END_TM, EVENT_START_TM, ACT_TXT, ");
buffer.append(" CLOSED_TMSTP, COM_AND_WORK_NOTE_TXT, CREATED_TM, CREATED_BY_TXT, IMPACT_TXT, ");
buffer.append(" INCDT_START_TM, INCDT_ST_TXT, OPEN_BY_GRP_TXT, RESLV_TM, RESLV_DT, "); //RESOLVED=RESLV_DT
buffer.append(" RESLV_TM, RESLV_AT_LEVEL_TXT, SVRTY_TXT, LOB_TXT, "); //Resolved_Date=null
buffer.append(" SLA_TXT, MONIT_TYPE_TXT ");
buffer.append(") VALUES (");
buffer.append(" ?,?,?,?,?, ?,?,?,?,?, ?,?,?,?,?, ?,?,?,?, ?,?,?,?,?, ?,?,?,?,?, ?,?,?,?, ?,?");
buffer.append(") ");
query=buffer.toString();
checkQuery = " SELECT SPRT_ID FROM "+tableName+" WHERE SPRT_NBR = ? ";
delQuery = " DELETE FROM "+tableName+" WHERE SPRT_NBR = ? ";
maxIdQuery = " SELECT MAX(SPRT_ID) FROM "+tableName;
}
public static void insertToDB(String[][] data) throws Exception{
Connection dbConnection=null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
dbConnection = DriverManager.getConnection( "jdbc:oracle:thin:@192.168.7.39:1521:ORCL","DASHBOARD","DASHBOARD");
PreparedStatement preparedStatement = dbConnection.prepareStatement(query);
PreparedStatement checkStatement = dbConnection.prepareStatement(checkQuery);
PreparedStatement delStatement = dbConnection.prepareStatement(delQuery);
PreparedStatement maxIdStatement = dbConnection.prepareStatement(maxIdQuery);
ResultSet rs1;
ResultSet rs2;
long id=0;
for (int i=1;i<data.length;i++) {
String col[]=data[i];
System.out.print("\n Preparing Record "+i+"@= PDMS_ID="+col[0]+";id="+id);
checkStatement.setString(1, col[0]);
rs1=checkStatement.executeQuery();
if(rs1.next()){
delStatement.setString(1, col[0]);
delStatement.executeUpdate();
System.out.print("=>ID Exists hence updating ");
}else{
System.out.print("=>Fresh record ");
}
System.out.println();
rs2=maxIdStatement.executeQuery();
while(rs2.next()){
id=rs2.getLong(1);
}
id++;
preparedStatement.setLong(1, id); //id
preparedStatement.setString(2, col[0]); //pdsm_number
((OraclePreparedStatement) preparedStatement).setStringForClob(3, col[1]);//Description
preparedStatement.setString(4, col[2]); //Priority
preparedStatement.setString(5, col[3]); //State
preparedStatement.setString(6, col[4]); //Category
preparedStatement.setString(7, col[5]); //Subcategory
preparedStatement.setString(8, col[6]); //Configuration_item
preparedStatement.setString(9, col[7]); //Assignment_group
//preparedStatement.setDate(10, (java.sql.Date)sdf.parse(col[9])); //Opened
((OraclePreparedStatement) preparedStatement).setDate(10, formateDate(col[8]));
((OraclePreparedStatement) preparedStatement).setDate(11, formateDate(col[9])); //Updated
preparedStatement.setString(12, col[10]); //Opened_by
((OraclePreparedStatement)preparedStatement).setStringForClob(13, col[11]);//Resolution_notes
preparedStatement.setString(14, col[12]); //Resolution_Error
preparedStatement.setString(15, col[13]); //Resolution_Type
preparedStatement.setString(16, col[14]); //Pending_Reason
((OraclePreparedStatement) preparedStatement).setDate(17, formateDate(col[15]));; //Event_End_Time
((OraclePreparedStatement) preparedStatement).setDate(18, formateDate(col[16]));; //Event_Start_Time
//preparedStatement.setString(19, col[18]); //Action
preparedStatement.setString(19, col[17]); //Active
((OraclePreparedStatement) preparedStatement).setDate(20, formateDate(col[18]));; //Closed
((OraclePreparedStatement)preparedStatement).setStringForClob(21, col[19]);//Comments_and_Work_notes
((OraclePreparedStatement) preparedStatement).setDate(22, formateDate(col[20]));; //Created
preparedStatement.setString(23, col[21]); //Created_by
preparedStatement.setString(24, col[22]); //Impact
((OraclePreparedStatement) preparedStatement).setDate(25, formateDate(col[23])); //Incident_Start_Time
preparedStatement.setString(26, col[24]); //Incident_state
preparedStatement.setString(27, col[25]); //Opened_by_Assignment_Group
preparedStatement.setString(28, col[26]); //Resolve_time
((OraclePreparedStatement) preparedStatement).setDate(29, formateDate(col[27])); //Resolved
//preparedStatement.setString(30, null); //Resolved_Date
preparedStatement.setString(30, col[29]); //Resolved_Time
preparedStatement.setString(31, col[30]); //Resolved_at_Level
preparedStatement.setString(32, col[31]); //Severity
if("APAC Supply Chain".equalsIgnoreCase(col[32].trim())){ //LOB
preparedStatement.setString(33, "APAC");
}else{
preparedStatement.setString(33, "US");
}
//SLA
if(col[15]!=null && !col[15].trim().equals("") && col[23]!=null && !col[23].trim().equals("")){
long interval=formateDate(col[15]).getTime()- formateDate(col[23]).getTime();
long p1 = 60*60*1000;//P1 – 1 Hour
long p2 = 2*60*10*1000;//P2 – 2 Hours
long p3 = 24*60*10*1000;//P3 – 24 Hours
long p4 = 21*24*60*10*1000;//P3 – 21 days
if("1-Critical".equalsIgnoreCase(col[2])){//P1
preparedStatement.setString(34, (interval>p1)?"BREACHED":"ADHERED");
}else if("2-High".equalsIgnoreCase(col[2])){//P2
preparedStatement.setString(34, (interval>p2)?"BREACHED":"ADHERED");
}else if("3-Moderate".equalsIgnoreCase(col[2])){//P3
preparedStatement.setString(34, (interval>p3)?"BREACHED":"ADHERED");
}else if("4-Low".equalsIgnoreCase(col[2])){//P4
preparedStatement.setString(34, (interval>p4)?"BREACHED":"ADHERED");
}
}else{
preparedStatement.setString(34, "ADHERED");
}
if(col[33].equalsIgnoreCase("Monitoring")){//MONITOR_TYPE
preparedStatement.setString(35, "System Generated");
}else{
preparedStatement.setString(35, "User Generated");
}
preparedStatement.execute();
/*preparedStatement.addBatch();
if (i % 100 == 0 || (i+1) == data.length) {
System.out.println("Batch update @"+i);
preparedStatement.executeBatch(); // Execute every 100 items.
}*/
}
} catch (Exception ex) {
throw ex;
} finally{
try{
if(dbConnection!=null && !dbConnection.isClosed()){
dbConnection.close();
}
}catch(Exception ex){
ex.printStackTrace();
}
}
}
public static void main(String[] args) {
try{
System.out.println("Reading Data from XLS");
List<String[][]> xlsData=ReadXLGeneric.readExcelData("D:/DASHBOARD_WORKSPACE/data/latest-pdsm.xlsx");
//"D:/Duke/0/projects/vmo/dbDump/PDSMDumps/PDSMData/Feb.xlsx
System.out.println("Inserting into DB");
insertToDB(xlsData.get(0));
}catch(Exception e){
e.printStackTrace();
}
}
public static java.sql.Date formateDate(String input)throws Exception{
try {
if(input!=null && !input.equals("") && !input.equals("UNDEFINED")){
return java.sql.Date.valueOf(outputSdf.format(inputSdf.parse(input)));
}
return null;
} catch (ParseException e) {
throw e;
}
}
public static List<String[][]> readExcelData(String fileName) {
List<List<List<String>>> sheetList=new ArrayList<List<List<String>>>();
List<List<String>> strTable=new ArrayList<List<String>>();
List<String> strList=new ArrayList<String>();
Cell cell=null;
try {
FileInputStream fis = new FileInputStream(fileName);
Workbook workbook = null;
if(fileName.toLowerCase().endsWith("xlsx")){
workbook = new XSSFWorkbook(fis);
}else if(fileName.toLowerCase().endsWith("xls")){
workbook = new HSSFWorkbook(fis);
}else{
throw new IllegalArgumentException("Invalid formate should be xls or xlsx");
}
//loop through each of the sheets
for(int i=0; i < workbook.getNumberOfSheets(); i++){
Sheet sheet = workbook.getSheetAt(i);
Iterator<Row> rowIterator = sheet.iterator();
strTable=new ArrayList<List<String>>();
while (rowIterator.hasNext())
{
Row row = rowIterator.next();
Iterator<Cell> cellIterator = row.cellIterator();
strList=new ArrayList<String>();
while (cellIterator.hasNext())
{
cell=cellIterator.next();
switch (cell.getCellType()) {
case Cell.CELL_TYPE_BLANK:
strList.add("");
break;
case Cell.CELL_TYPE_STRING:
strList.add(cell.getStringCellValue());
break;
case Cell.CELL_TYPE_NUMERIC:
if(cell.toString().contains("-")){
strList.add(cell.toString());
}else{
strList.add(Double.toString(cell.getNumericCellValue()));
}
break;
case Cell.CELL_TYPE_FORMULA:
//System.out.println("Formula is " + cell.getCellFormula());
switch(cell.getCachedFormulaResultType()) {
case Cell.CELL_TYPE_NUMERIC:
//System.out.println("Last evaluated as: " + cell.getNumericCellValue());
strList.add(Double.toString(cell.getNumericCellValue()));
break;
case Cell.CELL_TYPE_STRING:
// System.out.println("Last evaluated as \"" + cell.getRichStringCellValue() + "\"");
strList.add(cell.getRichStringCellValue().toString());
break;
}
break;
default:
strList.add("UNDEFINED");
}
}
strTable.add(strList);
}
sheetList.add(strTable);
}
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
return getAsSheetList(sheetList);
}
在運行這個程序，我得到以下異常
下面是數據要傳送的數據庫模型。 
如何解決這個問題？