问Selenium Webdriver - findElement原子问题

EN

driver.findElement(By.linkText("Previous orders")).click();

> Started InternetExplorerDriver server (32-bit)
2.50.0.0
Listening on port 25630
Only local connections are allowed
Exception in thread "main" org.openqa.selenium.WebDriverException: A JavaScript error was encountered executing the findElement atom. (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 46 milliseconds
Build info: version: '2.50.1', revision: 'd7fc91b', time: '2016-01-29 19:04:49'
System info: host: 'ABC598-L1BCDL9', ip: 'xxx.xxx.xxx.xxx', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_71'
Driver info: org.openqa.selenium.ie.InternetExplorerDriver
Capabilities [{browserAttachTimeout=0, enablePersistentHover=true, ie.forceCreateProcessApi=false, pageLoadStrategy=normal, ie.usePerProcessProxy=false, ignoreZoomSetting=false, handlesAlerts=true, version=11, platform=WINDOWS, nativeEvents=true, ie.ensureCleanSession=false, elementScrollBehavior=0, ie.browserCommandLineSwitches=, requireWindowFocus=false, browserName=internet explorer, initialBrowserUrl=http://localhost:25630/, takesScreenshot=true, javascriptEnabled=true, ignoreProtectedModeSettings=false, enableElementCacheCleanup=true, cssSelectorsEnabled=true, unexpectedAlertBehaviour=dismiss}]
Session ID: 9865fcae-fa06-46b5-a621-d8390978c515
*** Element info: {Using=link text, value=Previous orders}
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:206)
    at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
    at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:678)
    at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:363)
    at org.openqa.selenium.remote.RemoteWebDriver.findElementByLinkText(RemoteWebDriver.java:428)
    at org.openqa.selenium.By$ByLinkText.findElement(By.java:246)
    at org.openqa.selenium.remote.RemoteWebDriver.findElement(RemoteWebDriver.java:355)
    at Test.main(Test.java:27)

import java.util.concurrent.TimeUnit;
import javax.swing.JOptionPane;
import org.openqa.selenium.Alert;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.security.UserAndPassword;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.Select;
import org.openqa.selenium.support.ui.WebDriverWait;

public class Test {

    public static void main(String[] args) throws InterruptedException {

        String cartId = JOptionPane.showInputDialog("Type the Cart ID:");

        System.setProperty("webdriver.ie.driver",
                "C:\\Users\\USER_ADMIN\\Downloads\\Selenium Webdriver\\IEDriverServer.exe");
        DesiredCapabilities returnCapabilities = DesiredCapabilities.internetExplorer();
        returnCapabilities.setCapability(InternetExplorerDriver.ENABLE_PERSISTENT_HOVERING, false);
        WebDriver driver = new InternetExplorerDriver(returnCapabilities);
        driver.manage().timeouts().implicitlyWait(120, TimeUnit.SECONDS);
        driver.get("https://k06proxy012.sby.com/procurement/buyondemand/common/enUS/index.html");
        driver.findElement(By.linkText("Log in to Buy on demand (Bond)")).click();

        login(driver);

        // START
        driver.findElement(By.linkText("Previous orders")).click();
        driver.findElement(By.linkText("Search previous orders")).click();
        new Select(driver.findElement(By.id("FIELD1"))).selectByVisibleText("Cart ID");
        driver.findElement(By.id("VALUE1")).clear();
        driver.findElement(By.id("VALUE1")).sendKeys(cartId);
        driver.quit();

    }

    public static void login(WebDriver driver) {
        WebDriverWait wait = new WebDriverWait(driver, 10);
        Alert alert = wait.until(ExpectedConditions.alertIsPresent());
        alert.authenticateUsing(new UserAndPassword("user", "pass"));
    }
}