获取陈旧元素参考异常：陈旧元素参考：元素未附加到页面文档

Question

获取陈旧元素参考异常：陈旧元素参考：元素未附加到页面文档

public void selectabc（WebDriver driver，String abc）引发InterruptedException                     {

                    clickabc();
                    Thread.sleep(3000);
                    WebElement select = driver.findElement(By.xpath("//div[@class='mat-select-content ng-trigger ng-trigger-fadeInContent']"));
                    java.util.List<WebElement> options = select.findElements(By.xpath("//div[@class='mat-select-content ng-trigger ng-trigger-fadeInContent']/mat-option/span"));
                    for (WebElement option : options) { 
                    boolean StaleStatement=true;    
                    if (option.getText().equals(abc)) {
                        try {
                            option.click();  
                             System.out.println("Selected abc: " +abc);
                             Thread.sleep(3000);
                             StaleStatement=false;

                        } catch (StaleElementReferenceException e) 
                        {
                             StaleStatement=true;
                        }

                    }
                    }
                }   

org.openqa.selenium.StaleElementReferenceException：陈旧元素引用：元素未附加到页面文档