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在 Webdriver 中使用 Java 创建结果 Excel 文件时出现 java.lang.NullPointerException。

创建的结果excel文件中的第一行被创建，第二行在workbook.write（）处给出“java.lang.NullPointerException”，即。wwb.write() 在我的代码中。

请找到我编写的代码和收到的错误。

public class AccProfile_Zipfield_Validations1 extends SiteSecurity_FieldValidations
{
String msg = null;
// Creating New Account Profile
@Test
public void AccountProfile_City_Validations() throws IOException, BiffException, InterruptedException, RowsExceededException, WriteException
//public static void main(String args[]) throws IOException, BiffException, InterruptedException, RowsExceededException, WriteException
{
    // creating properties files storing the ID's and xpaths
    APPLICATION_LOGS.debug("Starting the test suite");
    APPLICATION_LOGS.debug("Loading config files");
    config = new Properties();
    //FileInputStream fp = new FileInputStream("./config.properties");
    FileInputStream fp = new FileInputStream(System.getProperty("user.dir")+"\\src\\com\\ode\\utility\\config.properties");
    config.load(fp);
    APPLICATION_LOGS.debug("Loading Object XPATHS");
    OR = new Properties();
    //FileInputStream fp1 = new FileInputStream("./OR.properties");
    FileInputStream fp1 = new FileInputStream(System.getProperty("user.dir")+"\\src\\com\\ode\\utility\\OR.properties");
    OR.load(fp1);

    //Sleep Times
    long Admin_edit = Long.valueOf(config.getProperty("config_edit")); 
    long Admin_zipcode = Long.valueOf(config.getProperty("config_zipcode"));
    long Admin_cityfield = Long.valueOf(config.getProperty("config_cityfield"));    
    long Admin_screenshot = Long.valueOf(config.getProperty("config_screenshot"));
    long Admin_checkbox = Long.valueOf(config.getProperty("config_checkbox")); 
    long Admin_save = Long.valueOf(config.getProperty("config_save")); 

    //Take the data from input xls file
    //FileInputStream fi =new FileInputStream("./Credit_Admin_Login.xls");
    FileInputStream fi =new FileInputStream(System.getProperty("user.dir")+"\\src\\com\\ode\\resources\\Credit_AdminUser_Login.xls");
    Workbook wb = Workbook.getWorkbook(fi);
    Sheet sh = wb.getSheet("Credit_AdminUserLogin");

    //Take the data from input xls file
    //FileInputStream fi =new FileInputStream("./Credit_AccProfile_FV.xls");
    FileInputStream fi1 =new FileInputStream(System.getProperty("user.dir")+"\\src\\com\\ode\\resources\\Credit_AccProfile_FV.xls");
    Workbook wb1 = Workbook.getWorkbook(fi1);
    Sheet sh1 = wb1.getSheet("700Credit_FieldValidations_City");

    //Create the Result xls file
    FileOutputStream fo = new FileOutputStream("./700Credit_AccProfile_FV_"+cdate+".xls");
    WritableWorkbook wwb = Workbook.createWorkbook(fo);
    WritableSheet ws = wwb.createSheet("700Credit_FV_City_Results", 0);
    System.out.println(ws.getName());
    Thread.sleep(Admin_screenshot); 

    System.out.println("   ******** City field validations ******** "); 
    System.out.println();
    System.out.println("Random Number generated: "+Randnum);
    System.out.println("Name for Account creation: "+AccName+"_City_"+Randnum);
    System.out.println("Current Date generated: "+cdate);

    APPLICATION_LOGS.debug("Starting the driver");
    driver = new InternetExplorerDriver();

    driver.get(config.getProperty("Testwebsite"));
    driver.manage().window().maximize();
    driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);


    for (int i = 1; i < sh.getRows(); i++)
    {   
        driver.findElement(By.id(OR.getProperty("signIN_username_ID"))).clear();
        driver.findElement(By.id(OR.getProperty("signIN_username_ID"))).sendKeys(sh.getCell(0, i).getContents());
        driver.findElement(By.id(OR.getProperty("signIN_password_ID"))).clear();
        driver.findElement(By.id(OR.getProperty("signIN_password_ID"))).sendKeys(sh.getCell(1, i).getContents());
        driver.findElement(By.id(OR.getProperty("signIN_LogIN_ID"))).click();
        driver.manage().timeouts().implicitlyWait(40, TimeUnit.SECONDS);
        System.out.println("Logged in as Site Admin User");

        //Click on Add New button
        driver.findElement(By.name(OR.getProperty("AddNew_AccProf_ID"))).click();
        Thread.sleep(Admin_edit);
        System.out.println("Clicked on Add button for creating New Account");

        //Entering data in the Account Information section
        driver.findElement(By.name(OR.getProperty("AccName_Id"))).clear();
        driver.findElement(By.name(OR.getProperty("AccName_Id"))).sendKeys(AccName+"_City_"+Randnum);
        driver.findElement(By.name(OR.getProperty("AccDBA_ID"))).sendKeys("Kumar_DBA");     

        String accTaxId = OR.getProperty("AccTax_ID");
        WebElement accTaxInput = driver.findElement(By.id(accTaxId));
        accTaxInput.clear();
        accTaxInput.sendKeys(String.valueOf(12345));
        accTaxInput = driver.findElement(By.id(accTaxId));

        driver.findElement(By.name(OR.getProperty("AccAddress_ID"))).sendKeys("124 - City Cross Roads");

        String accZipID = OR.getProperty("AccZip_ID"); 
        WebElement accZipInput = driver.findElement(By.id(accZipID));
        accZipInput.clear(); 
        accZipInput.sendKeys(String.valueOf(79081));
        accZipInput = driver.findElement(By.id(accZipID));
        new Actions(driver).sendKeys(driver.findElement(By.id(OR.getProperty("AccZip_ID"))), "").perform();
        Thread.sleep(Admin_zipcode);

        //Entering data in the Main Contact Information section 
        driver.findElement(By.name(OR.getProperty("AccFName_ID"))).sendKeys("Peter");
        Thread.sleep(Admin_cityfield);

        for (int j=1; j<sh1.getRows(); j++)
        {               
            System.out.println();
            System.out.println("Test Scenario - "+sh1.getCell(3, j).getContents());
            if(j==1)
            {
                //Sending Numeric values to City Field. 
                driver.findElement(By.id(OR.getProperty("AccCity_ID"))).clear();
                driver.findElement(By.id(OR.getProperty("AccCity_ID"))).sendKeys(sh1.getCell(1, j).getContents());
                Thread.sleep(Admin_zipcode);
                //Switch the driver context to the alert
                Alert alertDialog = driver.switchTo().alert();
                //Get the alert text
                String alertText = alertDialog.getText();
                System.out.println("Message displayed on Popup Window when entered "+sh1.getCell(5, j).getContents()+" in City field: "+alertText);
                //Click the OK button on the alert.
                alertDialog.accept();
                msg = alertText;

                //Taking Screen shot of the Application
                File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
                FileUtils.copyFile(scrFile, new File("./screenshots\\Admin_AccProfile_Field_Level_Validations_"+cdate+"\\Cityfield\\Admin_AccountProfile_"+sh1.getCell(5, j).getContents()+" in City field.jpg"));
                Thread.sleep(Admin_checkbox);   
            }
            else if (j==2)
            {
                driver.findElement(By.name(OR.getProperty("AccFName_ID"))).sendKeys("Peter");
                driver.findElement(By.name(OR.getProperty("AccMName_ID"))).sendKeys("S");
                driver.findElement(By.name(OR.getProperty("AccLName_ID"))).sendKeys("Mark");

                driver.findElement(By.id(OR.getProperty("save_ID"))).click();
                Thread.sleep(Admin_cityfield);
                Alert alertDialog = driver.switchTo().alert();
                //Get the alert text
                String alertText = alertDialog.getText();
                System.out.println("Message displayed on Popup Window when City field is left blank: "+alertText);
                //Click the OK button on the alert.
                alertDialog.accept();
                msg = alertText;

                //Taking Screen shot of the Application
                File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
                FileUtils.copyFile(scrFile, new File("./screenshots\\Admin_AccProfile_Field_Level_Validations_"+cdate+"\\Cityfield\\Admin_AccountProfile_with_Cityfield_blank.jpg"));
                Thread.sleep(Admin_zipcode);        

                driver.findElement(By.id(OR.getProperty("save_ID"))).click();
                Thread.sleep(Admin_zipcode);
                alertDialog = driver.switchTo().alert();
                //Get the alert text
                alertText = alertDialog.getText();
                //Click the OK button on the alert.
                alertDialog.accept();

                //driver.findElement(By.id(OR.getProperty("AccCity_ID"))).sendKeys("GENERAL ELECTRIC");
                driver.findElement(By.id(OR.getProperty("AccCity_ID"))).sendKeys(sh1.getCell(1, j).getContents());

                //Taking Screen shot of the Application
                scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
                FileUtils.copyFile(scrFile, new File("./screenshots\\Admin_AccProfile_Field_Level_Validations_"+cdate+"\\Cityfield\\Admin_AccountProfile_with_Cityfield_other city name.jpg"));
                Thread.sleep(Admin_screenshot);

                String accOffNoID = OR.getProperty("AccOffNo_ID"); 
                WebElement accOffNoInput = driver.findElement(By.id(accOffNoID));
                accOffNoInput.clear(); 
                accOffNoInput.sendKeys(String.valueOf(9874651230L));
                accOffNoInput = driver.findElement(By.id(accOffNoID));

                String accCellNoID = OR.getProperty("AccCellNo_ID"); 
                WebElement accCellNoInput = driver.findElement(By.id(accCellNoID));
                accCellNoInput.clear(); 
                accCellNoInput.sendKeys(String.valueOf(9632587110L));
                accCellNoInput = driver.findElement(By.id(accCellNoID));

                String accFaxNoID = OR.getProperty("AccFaxNo_ID"); 
                WebElement accFaxNoInput = driver.findElement(By.id(accFaxNoID));
                accFaxNoInput.clear(); 
                accFaxNoInput.sendKeys(String.valueOf(9512368741L));
                accFaxNoInput = driver.findElement(By.id(accFaxNoID));

                driver.findElement(By.name(OR.getProperty("AccEmail_ID"))).sendKeys("abc@abc.com");
                driver.findElement(By.id(OR.getProperty("txtNAD_ID"))).sendKeys("LE0472");

                System.out.println("Entered all the required information for creating the Account");

                driver.findElement(By.id(OR.getProperty("save_ID"))).click();
                Thread.sleep(Admin_save);
                System.out.println("Successfully created the Account: "+AccName+"_City_"+Randnum);

                //Taking Screen shot of the Application
                scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
                FileUtils.copyFile(scrFile, new File("./screenshots\\Admin_AccProfile_Field_Level_Validations_"+cdate+"\\Cityfield\\Admin_NewAccountCreated.jpg"));
                Thread.sleep(Admin_screenshot); 
                System.out.println();
                driver.close();
            }

            for (int k = 0; k < sh1.getColumns(); k++) 
            {
                Label lab=new Label(k,j,sh1.getCell(k, j).getContents());   
                ws.addCell(lab);
                Label result = new Label(2,j, msg);
                ws.addCell(result);
                String c2String = sh1.getCell(2, j).getContents().toString();
                if(c2String.equalsIgnoreCase(msg))
                {
                    Label status=new Label(5,j,"Pass");
                    ws.addCell(status);
                }
                else
                {
                    Label status=new Label(5,j,"Fail");
                    ws.addCell(status);
                }
            }

            //Add the 4 Labels

            Label un= new Label(0,0,"Test Data");
            Label pw= new Label(1,0,"City Code");
            Label Desc= new Label(2,0,"Error Message");
            Label st= new Label(3,0,"Scenario#");
            Label tsd = new Label(4,0,"Test Scenario Description"); 
            Label rs = new Label(5,0,"Results");
            ws.addCell(un);
            ws.addCell(pw);
            ws.addCell(Desc);
            ws.addCell(st);
            ws.addCell(tsd);
            ws.addCell(rs);
            wwb.write();
            wwb.close();
        }
    }
}
}

收到错误消息：

FAILED: AccountProfile_City_Validations
java.lang.NullPointerException
at jxl.write.biff.File.write(File.java:149)
at jxl.write.biff.WritableWorkbookImpl.write(WritableWorkbookImpl.java:697)
at com.ode.Admin.AccProfile_Zipfield_Validations1.AccountProfile_City_Validations(AccProfile_Zipfield_Validations1.java:258)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:128)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1203)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1128)
at org.testng.TestNG.run(TestNG.java:1036)
at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)

请帮我解决这个问题。帮助将不胜感激。

4

2 回答 2

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我通过移动添加单元格和标签来修改代码，并在关闭 for 循环后粘贴。然后它对我来说很好。感谢所有回答我问题的人。

移动代码：//添加标签

Label un= new Label(0,0,"Test Data");
Label pw= new Label(1,0,"City Code");
Label Desc= new Label(2,0,"Error Message");
Label st= new Label(3,0,"Scenario#");
Label tsd = new Label(4,0,"Test Scenario Description"); 
Label rs = new Label(5,0,"Results");
ws.addCell(un);
ws.addCell(pw);
ws.addCell(Desc);
ws.addCell(st);
ws.addCell(tsd);
ws.addCell(rs);
wwb.write();
wwb.close();
于 2013-07-15T05:53:31.323 回答
0

我有一个想法，也许它有帮助：

和driver.manage().timeouts().implicitlyWait(30, TimeUnit.SECONDS);其他等待功能是因为这是一个多线程环境。

在大多数情况下，等待，睡眠是好的，简单快速的解决方案就可以了，直到奇怪的行为没有发生几次，然后才检查出了什么问题。

我想建议花更多时间在代码审查上，并删除所有睡眠和等待函数，并按照多线程环境中的需要执行同步块、函数和线程连接。

可能 statement1 需要写一些东西，你说：等待 30 秒，然后你的工作簿尝试写入文件，并且只有在 30 秒过去之后才会执行 statement1 ，它应该设置一个字段值。目前，当工作簿写入文件时，没有通过 statement1 设置 field1。

其他想法：

在 line 处放置一个断点：wwb.write(); 那里调查哪个字段没有值。

我希望它有帮助

于 2013-07-12T11:13:30.187 回答