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當我試圖運行此代碼時我收到org.openqa.selenium.StaleElementReferenceException：在緩存中找不到元素 - 可能是因爲查找到頁面而發生更改 命令持續時間或超時時間：10.05秒。刷新網頁時出現org.openqa.selenium.StaleElementReferenceException
基本上，我已經聲明所有webelement變量在類的開始，以減少代碼的大小。但是當頁面刷新時，StaleElementReferenceException即將到來。
package musicshop;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.support.ui.Select;
public class AddCustomerAdmin {
public void addCustomerAdmin(WebDriver driver) throws InterruptedException{
//Clicking on 'Customer' in the left side bar in admin panel
driver.findElement(By.xpath("html/body/div[2]/aside/div/section/ul/li[2]/a/span")).click();
driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
// Clicking on 'Add Customer' button
driver.findElement(By.xpath(".//*[@id='userform']/section[1]/div/div[2]/input")).click();
Thread.sleep(1000);
WebElement firstName = driver.findElement(By.id("fname"));
WebElement lastName = driver.findElement(By.id("lname"));
WebElement accountEmail = driver.findElement(By.xpath(".//*[@id='email']"));
WebElement checkbox = driver.findElement(By.id("subscribe_promo_email"));
WebElement dateOfBirth = driver.findElement(By.id("date_of_birth"));
WebElement phone = driver.findElement(By.id("phone"));
WebElement address = driver.findElement(By.id("address"));
WebElement country = driver.findElement(By.id("countryid"));
Select countryName = new Select(country);
WebElement state = driver.findElement(By.id("stateid"));
Select stateName = new Select(state);
WebElement city = driver.findElement(By.id("cityid"));
Select cityName = new Select(city);
WebElement zipcode = driver.findElement(By.id("postal_code"));
WebElement uploadImage = driver.findElement(By.id("fileupload"));
WebElement saveButton = driver.findElement(By.xpath(".//*[@id='userform']/section[1]/div/div[2]/input[2]"));
WebElement shippingAddressCheckbox = driver.findElement(By.id("shippingaddress"));
WebElement shippingAddress = driver.findElement(By.id("sh_address"));
WebElement shippingCountry = driver.findElement(By.id("sh_countryid"));
Select shippingCountryName = new Select(shippingCountry);
WebElement shippingState = driver.findElement(By.id("sh_stateid"));
Select shippingStateName = new Select(shippingState);
WebElement shippingCity = driver.findElement(By.id("sh_cityid"));
Select shippingCityName = new Select(shippingCity);
WebElement shippingZipCode = driver.findElement(By.id("sh_postal_code"));
WebElement shippingPhoneNumber = driver.findElement(By.id("sh_phone"));
// Add Customer page validation checking by keeping all fields empty and click on 'save' button
saveButton .click();
Thread.sleep(1000);
// Add Customer page validation checking by only entering first name and click on 'save' button
firstName.sendKeys("John");
saveButton .click();
Thread.sleep(500);
firstName.clear();
// Add Customer page validation checking by only entering last name and click on 'save' button
lastName.sendKeys("Smith");
saveButton.click();
Thread.sleep(500);
lastName.clear();
// Add Customer page validation checking by only entering account email and click on 'save' button
accountEmail.sendKeys("[email protected]");
saveButton.click();
Thread.sleep(500);
accountEmail.clear();
// Add Customer page validation checking by only checking the 'Promotional Newsletter' checkbox and click on 'save' button
checkbox.click();
saveButton.click();
Thread.sleep(500);
checkbox.click(); // for unchecking the checkbox
// Add Customer page validation checking by only entering date of birth in the 'Date of Birth' field and click on 'save' button
dateOfBirth.click();
for(int i=0; i<7; i++){
WebElement clickOnMonth = driver.findElement(By.xpath(".//*[@id='ui-datepicker-div']/div/a[1]/span"));
clickOnMonth.click();
}
WebElement selectDate = driver.findElement(By.linkText("9"));
selectDate.click();
selectDate.click();
for(int i = 0; i<=1; i++){
dateOfBirth.sendKeys(Keys.BACK_SPACE);
} //end of for loop
dateOfBirth.sendKeys("88");
saveButton.click();
Thread.sleep(500);
dateOfBirth.clear();
// Add Customer page validation checking by only entering phone number in the 'Phone' field and click on 'save' button
phone.sendKeys("9999999999");
saveButton.click();
Thread.sleep(500);
phone.clear();
// Add Customer page validation checking by only entering address in the 'Address' field and click on 'save' button
address.sendKeys("Minerva Garden, Joka, Kolkata");
saveButton.click();
Thread.sleep(500);
address.clear();
// Add Customer page validation checking by only entering country in the 'Country' field and click on 'save' button
countryName.selectByVisibleText("India");
saveButton.click();
Thread.sleep(500);
// Add Customer page validation checking by only entering country and state in the 'Country' and 'State' field and click on 'save' button
stateName.selectByValue("41");
saveButton.click();
Thread.sleep(500);
// Add Customer page validation checking by only entering country, state, and city in the 'Country', 'State', and 'City' field and click on 'save' button
cityName.selectByVisibleText("Kolkata");
saveButton.click();
Thread.sleep(500);
//deselecting City, State and Country fields
cityName.selectByValue("");
stateName.selectByValue("");
countryName.selectByValue("");
// Add Customer page validation checking by only entering zipcode in the 'ZIP/PIN' field and click on 'save' button
zipcode.sendKeys("222222");
saveButton.click();
Thread.sleep(500);
zipcode.clear();
/*----------------####@@@@****@@@@####----------------------------*/
//Profile image upload where image height and width is less than 300px
((JavascriptExecutor) driver).executeScript("scroll(0,-400)"); // scrolling up the page
driver.findElement(By.className("col-md-3")).click();
Thread.sleep(1000);
uploadImage.sendKeys("C:\\Users\\QA-02\\Desktop\\rose3.jpg");
Alert alert = driver.switchTo().alert();
String comingAlertMessage = alert.getText(); // for capturing the alert message
String alertMessageShouldDisplay = "image height or width cannot be less then 300px.";
System.out.println(comingAlertMessage); // for displaying alert message
if(comingAlertMessage.equals(alertMessageShouldDisplay)){
System.out.println("Proper validation message is displaying");
}else{
System.out.println("Proper validation message is not displaying");
}
Thread.sleep(1000);
alert.accept();
/*------------------------###@@@@****@@@@####---------------------------*/
//Profile image upload where image height and width is more than 300px
Thread.sleep(1000);
uploadImage.sendKeys("C:\\Users\\QA-02\\Desktop\\rose2.jpg");
//Profile image changing where image height and width is more than 300px
Thread.sleep(1000);
uploadImage.sendKeys("C:\\Users\\QA-02\\Desktop\\scene1.jpg");
System.out.println("Profile image has changed successfully");
//'Add Customer' page refresh
driver.navigate().refresh();
/*-------------------------------####@@@@****@@@@####--------------------------------------*/
//Test the validation message of each mandatory field
for(int i=1; i<=11; i++){
if (i!=1){
firstName.sendKeys("John");
Thread.sleep(500);
}
if (i!=2){
lastName.sendKeys("Smith");
Thread.sleep(500);
}
if (i!=3){
accountEmail.sendKeys("[email protected]");
Thread.sleep(500);
}
if (i!=4){
checkbox.click();
Thread.sleep(500);
}
if (i!=5){
dateOfBirth.sendKeys("05/13/1987");
Thread.sleep(500);
}
if (i!=6){
phone.sendKeys("9999999999");
Thread.sleep(500);
}
if (i!=7){
address.sendKeys("Tangra, Park Circus");
Thread.sleep(500);
}
if (i!=8){
countryName.selectByVisibleText("India");
Thread.sleep(500);
}
if (i!=8 && i!=9){
stateName.selectByVisibleText("West Bengal");
Thread.sleep(500);
}
if (i!=8 && i!=9 && i!=10){
cityName.selectByVisibleText("Kolkata");
Thread.sleep(500);
}
if (i!=11){
zipcode.sendKeys("222222");
Thread.sleep(500);
}
saveButton.click();
((JavascriptExecutor) driver).executeScript("scroll(0,-400)"); //scrolling up the page
Thread.sleep(1000);
((JavascriptExecutor) driver).executeScript("scroll(0,400)"); // scrolling down the page
Thread.sleep(1000);
driver.navigate().refresh();
} //end of for loop
/*----------------------------------------------------------------------------------*/
// Test 'Add Customer' by entering improper email id
for(int i = 1; i<=3; i++){
firstName.sendKeys("John");
lastName.sendKeys("Smith");
//for improper email id
if(i==1){
accountEmail.sendKeys("frontendwebtesting");
}
else{
accountEmail.sendKeys("[email protected]");
}
/*-----------------------##@@**@@##---------------------*/
checkbox.click();
// for improper date of birth - will check it later
/*
if(i==2){
dateOfBirth click();
driver.findElement(By.xpath(".//*[@id='ui-datepicker-div']/table/tbody/tr[4]/td[3]/a")).click();
for(int j=1; j<=8; j++){
dob.sendKeys(Keys.BACK_SPACE);
}
dob.sendKeys("777");
} // end of if
*/
//else{
dateOfBirth.sendKeys("05/13/1987");
//}
/*---------------------------------------------------------------------*/
//for improper phone number
if(i==2){
phone.sendKeys("66");
}
//else if(i==3){
//driver.findElement(By.id("phone")).sendKeys("1111222233334444");
//}
else{
phone.sendKeys("9999999999");
}
//-----------------------------------------------------------------//
address.sendKeys("Tangra, Park Circus");
countryName.selectByVisibleText("India");
stateName.selectByVisibleText("West Bengal");
cityName.selectByVisibleText("Kolkata");
zipcode.sendKeys("222222");
if(i==3){
shippingAddressCheckbox.click();
((JavascriptExecutor) driver).executeScript("scroll(0,600)");
Thread.sleep(500);
String shAddress = shippingAddress.getAttribute("value");
String defaultAddress = address.getAttribute("value");
if (defaultAddress.equals(shAddress)){
System.out.println("Deault Address and Shipping Address is same");
}else{
System.out.println(" ");
System.out.println("Deault Address and Shipping Address is not same");
}
String shCountry = shippingCountryName.getFirstSelectedOption().getText();
String defaultCountry = countryName.getFirstSelectedOption().getText();
if(defaultCountry.equals(shCountry)){
System.out.println(" ");
System.out.println("Deault country and Shipping country is same");
}else{
System.out.println("Deault country and Shipping country is not same");
}
String shState = shippingStateName.getFirstSelectedOption().getText();
String defaultState = stateName.getFirstSelectedOption().getText();
if(defaultState.equals(shState)){
System.out.println(" ");
System.out.println("Deault state and Shipping state is same");
}else{
System.out.println("Deault state and Shipping state is not same");
}
String shCity = shippingCityName.getFirstSelectedOption().getText();
String defaultCity = cityName.getFirstSelectedOption().getText();
if(defaultCity.equals(shCity)){
System.out.println(" ");
System.out.println("Deault city and Shipping city is same");
}else{
System.out.println("Deault city and Shipping city is not same");
}
String shZip = shippingZipCode.getAttribute("value");
String defaultZip = zipcode.getAttribute("value");
if(defaultZip.equals(shZip)){
System.out.println(" ");
System.out.println("Deault zipcode and Shipping zipcode is same");
}else{
System.out.println("Deault zipcode and Shipping zipcode is not same");
}
shippingAddress.click();;
shippingAddress.clear();
Thread.sleep(500);
shippingCountryName.selectByValue("");
Thread.sleep(500);
shippingCityName.selectByValue("");
Thread.sleep(500);
shippingZipCode.click();
shippingZipCode.clear();
Thread.sleep(500);
shippingPhoneNumber.click();
shippingPhoneNumber.clear();
Thread.sleep(500);
}
saveButton.click();
Thread.sleep(1000);
if (driver.getTitle().contains("Database Error")){
Thread.sleep(500);
driver.navigate().to("http://lab-1.sketchdemos.com/musicshop/stores/musicshop/admin/customer.html");
}
driver.navigate().refresh();
} // end of for loop
}
}
請仔細閱讀[問]和[多少研究工作，預計？（https://meta.stackoverflow.com/questions/261592/how-much-研究工作是預期的堆棧溢出用戶）請提供你已經嘗試過的代碼和執行結果，包括任何錯誤消息等。對SO提出一個好問題的一個要求是提供一個[mcve] 。傾倒100行代碼並詢問問題是不是一個合理或負責任的提問方式。您需要花費一些時間搜索陳舊的元素異常，縮小代碼中的實際問題，並嘗試不同的解決方案 – JeffC