Javascript 无法使用HtmlUnit获取网页
我有一个我正试图从中获取的网页，我正在使用HtmlUnit，因为页面的一些元素是用javascript呈现在客户端的。这是我的密码：Javascript 无法使用HtmlUnit获取网页,javascript,java,html,htmlunit,Javascript,Java,Html,Htmlunit,我有一个我正试图从中获取的网页，我正在使用HtmlUnit，因为页面的一些元素是用javascript呈现在客户端的。这是我的密码： public static void main(String[] args) { String symbol = "MSFT"; final WebClient webClient = new WebClient(BrowserVersion.CHROME); webClient.getOptions().setUseInsecureSSL
public static void main(String[] args) {
String symbol = "MSFT";
final WebClient webClient = new WebClient(BrowserVersion.CHROME);
webClient.getOptions().setUseInsecureSSL(true);
webClient.getOptions().setThrowExceptionOnScriptError(false);
webClient.getOptions().setThrowExceptionOnFailingStatusCode(false);
webClient.setCssErrorHandler(new SilentCssErrorHandler());
HtmlPage page = null;
try {
page = webClient.getPage("http://finance.yahoo.com/quote/" + symbol + "/?p=" + symbol);
} catch (IOException ex) {
ex.printStackTrace(System.out);
} catch (FailingHttpStatusCodeException ex) {
ex.printStackTrace(System.out);
}
List<String> elements = page.getByXPath("//*[@id=\"quoteNewsStream-0-Stream\"]/ul/li[1]/div/div/div[1]/h3/a/text()");
for (String e : elements){
System.out.println(e);
}
}
publicstaticvoidmain（字符串[]args）{
String symbol=“MSFT”；
最终WebClient WebClient=新的WebClient（BrowserVersion.CHROME）；
webClient.getOptions（）.SetUseSecureSSL（true）；
webClient.getOptions（）.SetThroweExceptionOnScriptError（false）；
webClient.getOptions（）.SetThroweExceptionOnFailingStatusCode（false）；
setCssErrorHandler（新的SilentCssErrorHandler（））；
HtmlPage=null；
试一试{
page=webClient.getPage（“http://finance.yahoo.com/quote/“+symbol+”/？p=“+symbol”）；
}捕获（IOEX异常）{
例如printStackTrace（系统输出）；
}捕获（失败TTPStatusCodeException ex）{
例如printStackTrace（系统输出）；
}
List elements=page.getByXPath（“/*[@id=\”quotenewstream-0-Stream\”]/ul/li[1]/div/div/div[1]/h3/a/text（）”；
for（字符串e:元素）{
系统输出打印ln（e）；
}
}
run:
Apr 06, 2017 2:29:34 PM com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine handleJavaScriptException
INFO: Caught script exception
======= EXCEPTION START ========
EcmaError: lineNumber=[49] column=[0] lineSource=[<no source>] name=[TypeError] sourceName=[https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23] message=[TypeError: Cannot find function getOwnPropertySymbols in object function Object() { [native code] }. (https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23#49)]
com.gargoylesoftware.htmlunit.ScriptException: TypeError: Cannot find function getOwnPropertySymbols in object function Object() { [native code] }. (https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23#49)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:898)
at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:637)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:518)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:778)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:754)
at com.gargoylesoftware.htmlunit.html.HtmlPage.loadExternalJavaScriptFile(HtmlPage.java:980)
at com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded(HtmlScript.java:352)
at com.gargoylesoftware.htmlunit.html.HtmlScript$2.execute(HtmlScript.java:239)
at com.gargoylesoftware.htmlunit.html.HtmlScript.onAllChildrenAddedToPage(HtmlScript.java:258)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:781)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:738)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.callEndElement(HTMLTagBalancer.java:1243)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.endElement(HTMLTagBalancer.java:1143)
at net.sourceforge.htmlunit.cyberneko.filters.DefaultFilter.endElement(DefaultFilter.java:226)
at net.sourceforge.htmlunit.cyberneko.filters.NamespaceBinder.endElement(NamespaceBinder.java:345)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scanEndElement(HTMLScanner.java:3154)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2117)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner.scanDocument(HTMLScanner.java:945)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:521)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:472)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.parse(HTMLParser.java:988)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java:246)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java:188)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java:272)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java:160)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:520)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:394)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:311)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:459)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:444)
at htmlunittest.HtmlUnitTest.main(HtmlUnitTest.java:40)
Caused by: net.sourceforge.htmlunit.corejs.javascript.EcmaError: TypeError: Cannot find function getOwnPropertySymbols in object function Object() { [native code] }. (https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23#49)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3915)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3899)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError(ScriptRuntime.java:3924)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError2(ScriptRuntime.java:3940)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.notFunctionError(ScriptRuntime.java:4007)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThisHelper(ScriptRuntime.java:2402)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThis(ScriptRuntime.java:2384)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpretLoop(Interpreter.java:1342)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpret(Interpreter.java:800)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:105)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.doTopCall(ContextFactory.java:416)
at com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:292)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3264)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.exec(InterpretedFunction.java:115)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$3.doRun(JavaScriptEngine.java:769)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:883)
... 32 more
Enclosed exception:
net.sourceforge.htmlunit.corejs.javascript.EcmaError: TypeError: Cannot find function getOwnPropertySymbols in object function Object() { [native code] }. (https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23#49)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3915)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3899)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError(ScriptRuntime.java:3924)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError2(ScriptRuntime.java:3940)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.notFunctionError(ScriptRuntime.java:4007)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThisHelper(ScriptRuntime.java:2402)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThis(ScriptRuntime.java:2384)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpretLoop(Interpreter.java:1342)
at script(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script.e(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script.e(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script.a(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at script(https://www.yahoo.com/polyfill.min.js?features=locale-data-en-us%2Cpromise%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperty%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23:49)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpret(Interpreter.java:800)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:105)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.doTopCall(ContextFactory.java:416)
at com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:292)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3264)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.exec(InterpretedFunction.java:115)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$3.doRun(JavaScriptEngine.java:769)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:883)
at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:637)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:518)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:778)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:754)
at com.gargoylesoftware.htmlunit.html.HtmlPage.loadExternalJavaScriptFile(HtmlPage.java:980)
at com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded(HtmlScript.java:352)
at com.gargoylesoftware.htmlunit.html.HtmlScript$2.execute(HtmlScript.java:239)
at com.gargoylesoftware.htmlunit.html.HtmlScript.onAllChildrenAddedToPage(HtmlScript.java:258)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:781)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:738)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.callEndElement(HTMLTagBalancer.java:1243)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.endElement(HTMLTagBalancer.java:1143)
at net.sourceforge.htmlunit.cyberneko.filters.DefaultFilter.endElement(DefaultFilter.java:226)
at net.sourceforge.htmlunit.cyberneko.filters.NamespaceBinder.endElement(NamespaceBinder.java:345)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scanEndElement(HTMLScanner.java:3154)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2117)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner.scanDocument(HTMLScanner.java:945)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:521)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:472)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.parse(HTMLParser.java:988)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java:246)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java:188)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java:272)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java:160)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:520)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:394)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:311)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:459)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:444)
at htmlunittest.HtmlUnitTest.main(HtmlUnitTest.java:40)
======= EXCEPTION END ========
Apr 06, 2017 2:29:36 PM com.gargoylesoftware.htmlunit.IncorrectnessListenerImpl notify
WARNING: Obsolete content type encountered: 'text/javascript'.
Apr 06, 2017 2:29:36 PM com.gargoylesoftware.htmlunit.IncorrectnessListenerImpl notify
WARNING: Obsolete content type encountered: 'application/x-javascript'.
Apr 06, 2017 2:29:37 PM com.gargoylesoftware.htmlunit.IncorrectnessListenerImpl notify
WARNING: set-cookie http-equiv meta tag: invalid cookie 'rx= ; path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=;'; reason: 'Blank or null value for domain attribute'.
Apr 06, 2017 2:29:37 PM com.gargoylesoftware.htmlunit.html.HtmlScript isExecutionNeeded
WARNING: Script is not JavaScript (type: text/x-safeframe, language: ). Skipping execution.
Apr 06, 2017 2:29:39 PM com.gargoylesoftware.htmlunit.IncorrectnessListenerImpl notify
WARNING: Obsolete content type encountered: 'application/x-javascript'.
Apr 06, 2017 2:29:40 PM com.gargoylesoftware.htmlunit.WebConsole error
SEVERE: Rehydrate returned error null
Apr 06, 2017 2:29:40 PM com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine handleJavaScriptException
INFO: Caught script exception
======= EXCEPTION START ========
EcmaError: lineNumber=[1] column=[0] lineSource=[<no source>] name=[TypeError] sourceName=[https://s.yimg.com/os/finance/dd-site/js/main.bc645a6f594da6a2c95e.js] message=[TypeError: Cannot call method "getComponentContext" of undefined (https://s.yimg.com/os/finance/dd-site/js/main.bc645a6f594da6a2c95e.js#1)]
com.gargoylesoftware.htmlunit.ScriptException: TypeError: Cannot call method "getComponentContext" of undefined (https://s.yimg.com/os/finance/dd-site/js/main.bc645a6f594da6a2c95e.js#1)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:898)
at net.sourceforge.htmlunit.corejs.javascript.Context.call(Context.java:637)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call(ContextFactory.java:518)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:778)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute(JavaScriptEngine.java:754)
at com.gargoylesoftware.htmlunit.html.HtmlPage.loadExternalJavaScriptFile(HtmlPage.java:980)
at com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded(HtmlScript.java:352)
at com.gargoylesoftware.htmlunit.html.HtmlScript$2.execute(HtmlScript.java:239)
at com.gargoylesoftware.htmlunit.html.HtmlScript.onAllChildrenAddedToPage(HtmlScript.java:258)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:781)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement(HTMLParser.java:738)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.callEndElement(HTMLTagBalancer.java:1243)
at net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.endElement(HTMLTagBalancer.java:1143)
at net.sourceforge.htmlunit.cyberneko.filters.DefaultFilter.endElement(DefaultFilter.java:226)
at net.sourceforge.htmlunit.cyberneko.filters.NamespaceBinder.endElement(NamespaceBinder.java:345)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scanEndElement(HTMLScanner.java:3154)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scan(HTMLScanner.java:2117)
at net.sourceforge.htmlunit.cyberneko.HTMLScanner.scanDocument(HTMLScanner.java:945)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:521)
at net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse(HTMLConfiguration.java:472)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.parse(HTMLParser.java:988)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parse(HTMLParser.java:246)
at com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml(HTMLParser.java:188)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage(DefaultPageCreator.java:272)
at com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage(DefaultPageCreator.java:160)
at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto(WebClient.java:520)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:394)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:311)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:459)
at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:444)
at htmlunittest.HtmlUnitTest.main(HtmlUnitTest.java:40)
Caused by: net.sourceforge.htmlunit.corejs.javascript.EcmaError: TypeError: Cannot call method "getComponentContext" of undefined (https://s.yimg.com/os/finance/dd-site/js/main.bc645a6f594da6a2c95e.js#1)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3915)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.constructError(ScriptRuntime.java:3899)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError(ScriptRuntime.java:3924)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.typeError2(ScriptRuntime.java:3940)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.undefCallError(ScriptRuntime.java:3956)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThisHelper(ScriptRuntime.java:2390)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.getPropFunctionAndThis(ScriptRuntime.java:2384)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpretLoop(Interpreter.java:1342)
at net.sourceforge.htmlunit.corejs.javascript.Interpreter.interpret(Interpreter.java:800)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:105)
at net.sourceforge.htmlunit.corejs.javascript.ContextFactory.doTopCall(ContextFactory.java:416)
at com.gargoylesoftware.htmlunit.javascript.HtmlUnitContextFactory.doTopCall(HtmlUnitContextFactory.java:292)
at net.sourceforge.htmlunit.corejs.javascript.ScriptRuntime.doTopCall(ScriptRuntime.java:3264)
at net.sourceforge.htmlunit.corejs.javascript.InterpretedFunction.call(InterpretedFunction.java:103)
at com.gargoylesoftware.htmlunit.javascript.host.Promise$2.execute(Promise.java:272)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.doProcessPostponedActions(JavaScriptEngine.java:949)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.access$2(JavaScriptEngine.java:919)
at com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run(JavaScriptEngine.java:893)
... 32 more
运行：
2017年4月6日下午2:29:34 com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine handleJavaScriptException
信息：捕获到脚本异常
======异常开始========
EcmaError:lineNumber=[49]column=[0]lineSource=[]name=[TypeError]sourceName=[https://www.yahoo.com/polyfill.min.js?features=locale-数据源代码%2C承诺%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperties%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23]消息=[TypeError:在对象函数对象（）中找不到函数getOwnPropertySymbols{[本机代码]}。(https://www.yahoo.com/polyfill.min.js?features=locale-数据源代码%2C承诺%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperties%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23#49）]
com.gargoylesoftware.htmlunit.ScriptException:类型错误：在对象函数object（）{[本机代码]}中找不到函数getOwnPropertySymbols。(https://www.yahoo.com/polyfill.min.js?features=locale-数据源代码%2C承诺%2Carray.isarray%2Carray.prototype.every%2Carray.prototype.foreach%2Carray.prototype.indexof%2Carray.prototype.map%2Cdate.now%2Cfunction.prototype.bind%2Cobject.keys%2Cstring.prototype.trim%2Cobject.defineproperties%2Cobject.defineproperties%2Cobject.create%2Cobject.freeze%2Carray.prototype.filter%2Carray.prototype.reduce%2Cobject.assign%2Crequestanimationframe%2Cintl&version=2.1.23（49）
在com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine$HtmlUnitContextAction.run（JavaScriptEngine.java:898）
位于net.sourceforge.htmlunit.corejs.javascript.Context.call（Context.java:637）
位于net.sourceforge.htmlunit.corejs.javascript.ContextFactory.call（ContextFactory.java:518）
位于com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute（JavaScriptEngine.java:778）
位于com.gargoylesoftware.htmlunit.javascript.JavaScriptEngine.execute（JavaScriptEngine.java:754）
在com.gargoylesoftware.htmlunit.html.HtmlPage.loadExternalJavaScriptFile（HtmlPage.java:980）上
在com.gargoylesoftware.htmlunit.html.HtmlScript.executeScriptIfNeeded上（HtmlScript.java:352）
位于com.gargoylesoftware.htmlunit.html.HtmlScript$2.execute（HtmlScript.java:239）
在com.gargoylesoftware.htmlunit.html.HtmlScript.onAllChildrenAddedToPage上（HtmlScript.java:258）
位于com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement（HTMLParser.java:781）
位于org.apache.xerces.parsers.AbstractSAXParser.endElement（未知源）
位于com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.endElement（HTMLParser.java:738）
位于net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.callendement（HTMLTagBalancer.java:1243）
位于net.sourceforge.htmlunit.cyberneko.HTMLTagBalancer.endElement（HTMLTagBalancer.java:1143）
位于net.sourceforge.htmlunit.cyberneko.filters.DefaultFilter.endElement（DefaultFilter.java:226）
位于net.sourceforge.htmlunit.cyberneko.filters.NamespaceBinder.endElement（NamespaceBinder.java:345）
位于net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scanEndElement（HTMLScanner.java:3154）
位于net.sourceforge.htmlunit.cyberneko.HTMLScanner$ContentScanner.scan（HTMLScanner.java:2117）
位于net.sourceforge.htmlunit.cyberneko.HTMLScanner.scanDocument（HTMLScanner.java:945）
位于net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse（HTMLConfiguration.java:521）
位于net.sourceforge.htmlunit.cyberneko.HTMLConfiguration.parse（HTMLConfiguration.java:472）
位于org.apache.xerces.parsers.XMLParser.parse（未知源）
位于com.gargoylesoftware.htmlunit.html.HTMLParser$HtmlUnitDOMBuilder.parse（HTMLParser.java:988）
位于com.gargoylesoftware.htmlunit.html.HTMLParser.parse（HTMLParser.java:246）
位于com.gargoylesoftware.htmlunit.html.HTMLParser.parseHtml（HTMLParser.java:188）
在com.gargoylesoftware.htmlunit.DefaultPageCreator.createHtmlPage上（DefaultPageCreator.java:272）
在com.gargoylesoftware.htmlunit.DefaultPageCreator.createPage（DefaultPageCreator.java:160）
在com.gargoylesoftware.htmlunit.WebClient.loadWebResponseInto（WebClient.java:520）上
在com.gargoylesoftware.htmlunit.WebClient.getPage（WebClient.java:394）上
在com.gargoylesoftware.htmlunit.WebClient.getPage（WebClient.java:311）上
在com.gargoylesoftware.htmlunit.WebClient.getPage（WebClient.java:459）上
在com.gargoylesoftware.htmlunit.WebClient.getPage（WebCl
List<String> elements = page.getByXPath("//*[@id=\"quoteNewsStream-0-Stream\"]/ul/li[1]/div/div/div[1]/h3/a/text()");
for (String e : elements) {
System.out.println(e);
}
List<DomText> elements = page.getByXPath("//*[@id=\"quoteNewsStream-0-Stream\"]/ul/li[1]/div/div/div[1]/h3/a/text()");
for (DomText e : elements) {
System.out.println(e.asText());
}