線程「main」中的異常org.openqa.selenium.WebDriverException：$未定義

我通過ID獲取CSS選擇器。我得到一個錯誤，當我調用getCSS方法

UpdateActualPath actualPath= new UpdateActualPath(); 
    actualPath.getCSS("https://www.google.co.in/", "a");

這裏是我的代碼：

import java.io.IOException; 

import org.jsoup.Jsoup; 
import org.jsoup.nodes.Document; 
import org.jsoup.nodes.Element; 
import org.jsoup.select.Elements; 
import org.openqa.selenium.JavascriptExecutor; 
import org.openqa.selenium.WebDriver; 
import org.openqa.selenium.firefox.FirefoxDriver; 

public class UpdateActualPath { 
    static UpdateActualPath updateObject = new UpdateActualPath(); 
    static WebDriver driver = new FirefoxDriver(); 

    public void getCSS(String url, String tagname) throws IOException { 
     // driver.get("http://scripting.jdpoweronline.com/mrIWeb/mrIWeb.dll?I.Project=T1_QTYPE&i.test=1"); 
     driver.get("file:///home/himansu/Desktop/Static.html#4"); // url 
     String jQuerySelector = "'body'"; 
     JavascriptExecutor executor = (JavascriptExecutor) driver; 
     String strJavaScript = (String) executor.executeScript("return $(" + jQuerySelector + ").html()"); 
     Document docparse = Jsoup.parse(strJavaScript); 
     Elements inputTags = docparse.select("a"); // tagname 
     if (!inputTags.isEmpty()) { 
      Element tempTag = null; 
      for (Element inputTag : inputTags) { 
       String tempString = ""; 
       tempTag = inputTag; 

       while (tempTag.tagName() != "html") { 
        String tagId = ""; 
        String tagClass = ""; 
        String tagType = ""; 
        String tagLink = ""; 
        if (tempTag.id() != "") { 
         tagId = "#" + tempTag.id() + " "; 
         tempString = tempTag.tagName() + tagId + tempString; 
         break; 
        } 

        else { 
         System.out.println("This Type Tag is Not Present in Current Web Page.....!!!!"); 
        } 
       } 
      } 
     } 
    } 

    private String findHrefAtttribute(Element tempTag, Elements tags) { 
     String tlink = tempTag.attr("href"); 
     String css = "[href='" + tlink + "']"; 
     if (updateObject.checkType(tlink, tags) == 1) 
      return css; 
     else 
      return ""; 

    } 

    public String findChekboxAtttribute(Element tag, Elements tags) { 
     String tagname = tag.attr("name"); 
     String css = "[name='" + tagname + "']"; 
     if (updateObject.checkType(tagname, tags) == 1) 
      return css; 
     else 
      return ""; 
    } 

    public String findImageAtttribute(Element tag, Elements tags) { 
     String tagalt = tag.attr("alt"); 
     String tagname = tag.attr("name"); 
     if (updateObject.checkType(tagname, tags) == 1) { 
      String css = "[alt='" + tagalt + "']" + "[name='" + tagname + "']"; 
      return css; 
     } else { 
      String css = "[alt='" + tagalt + "']"; 
      return css; 
     } 
    } 

    public int checkType(String tagname, Elements chektags) { 
     int count = 0; 
     for (Element matchInputTag : chektags) { 
      String matchtaghreftype = matchInputTag.attr("href"); 
      String matchtagtype = matchInputTag.attr("name"); 
      if (matchtagtype.compareTo(tagname) == 0) 
       count++; 
      if (matchtaghreftype.compareTo(tagname) == 0) { 
       count++; 
      } 
     } 
     return count; 
    } 

}

完整的錯誤是：

Exception in thread "main" org.openqa.selenium.WebDriverException: $ is not defined 
    Command duration or timeout: 513 milliseconds 
    Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32' 
    System info: host: 'ATMECSINDT-068', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.8.0-37-generic', java.version: '1.7.0_55' 
    Session ID: f706c2df-360d-4970-9ea7-9aa856ab32de 
    Driver info: org.openqa.selenium.firefox.FirefoxDriver 
    Capabilities [{platform=LINUX, acceptSslCerts=true, javascriptEnabled=true, cssSelectorsEnabled=true, databaseEnabled=true, browserName=firefox, handlesAlerts=true, browserConnectionEnabled=true, webStorageEnabled=true, nativeEvents=false, rotatable=false, locationContextEnabled=true, applicationCacheEnabled=true, takesScreenshot=true, version=30.0}] 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:526) 
     at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:193) 
     at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145) 
     at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595) 
     at org.openqa.selenium.remote.RemoteWebDriver.executeScript(RemoteWebDriver.java:504) 
     at publicc.UpdateActualPath.getCSS(UpdateActualPath.java:25) 
     at publicc.Test.main(Test.java:29) 
    Caused by: org.openqa.selenium.remote.ErrorHandler$UnknownServerException: $ is not defined 
    Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32' 
    System info: host: 'ATMECSINDT-068', ip: '127.0.1.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.8.0-37-generic', java.version: '1.7.0_55' 
    Driver info: driver.version: unknown 
     at <anonymous class>.anonymous(https://www.google.co.in/ line 68 > Function:1:1) 
     at <anonymous class>.handleEvaluateEvent(https://www.google.co.in/:68:1)

當我改變的URL http://stackoverflow.com它工作正常。

來源

2014-09-01 Don

您描述的問題與您正在加載的頁面上未存在jQuery一致。你可以完全避免的jQuery在getCSS改變你的第一個電話executeScript：

String strJavaScript = 
    (String) executor.executeScript("return document.body.innerHTML");

它適用於堆棧溢出，因爲堆棧溢出負荷的jQuery。

來源

2014-09-01 16:31:35 Louis

線程「main」中的異常org.openqa.selenium.WebDriverException：$未定義

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