当我尝试像这样实例化 IEDriverServer 3.12.0 时：
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
public class StartInternetExplorer {
public static void main(String[] args) {
// Add to Windows PATH variable: C:\IEDriverServer_Win32_3.12.0\;
String executable = "C:\\IEDriverServer_Win32_3.12.0\\IEDriverServer.exe";
System.setProperty("webdriver.ie.driver", executable);
WebDriver driver = new InternetExplorerDriver();
driver.get("https://www.google.com");
driver.quit();
}
}
我看到这个异常堆栈跟踪：
Started InternetExplorerDriver server (32-bit)
3.12.0.0
Listening on port 46039
Only local connections are allowed
Exception in thread "main" org.openqa.selenium.InvalidArgumentException: All firstMatch elements failed validation
Invalid capabilities in firstMatch element 0: unknown capability named ensureCleanSession
Build info: version: '3.12.0', revision: '7c6e0b3', time: '2018-05-08T14:04:26.12Z'
System info: host: 'XXXXXXXX', ip: '127.0.0.1', os.name: 'Windows 10', os.arch: 'amd64', os.version: '10.0', java.version: '1.8.0_161'
Driver info: driver.version: InternetExplorerDriver
remote stacktrace:
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$new$0(W3CHandshakeResponse.java:57)
at org.openqa.selenium.remote.W3CHandshakeResponse.lambda$getResponseFunction$2(W3CHandshakeResponse.java:104)
at org.openqa.selenium.remote.ProtocolHandshake.lambda$createSession$0(ProtocolHandshake.java:123)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958)
at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:498)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:485)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:126)
at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:73)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:136)
at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:83)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:545)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:209)
at org.openqa.selenium.ie.InternetExplorerDriver.run(InternetExplorerDriver.java:223)
at org.openqa.selenium.ie.InternetExplorerDriver.<init>(InternetExplorerDriver.java:215)
at org.openqa.selenium.ie.InternetExplorerDriver.<init>(InternetExplorerDriver.java:152)
at app.StartInternetExplorer.main(StartInternetExplorer.java:11)
我不知道“ensureCleanSession”参数从何而来，所以我不知道这是否意味着 3.12.0 中存在错误，或者我没有正确实例化 IEDriverServer。
我无法在 3.14.0 版中复制此内容 - 解决方案是等待新版本。
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.ie.InternetExplorerDriver;
public class StartInternetExplorer {
public static void main(String[] args) {
// Add to Windows PATH variable: C:\IEDriverServer_Win32_3.14.0\;
String executable = "C:\\IEDriverServer_Win32_3.14.0\\IEDriverServer.exe";
System.setProperty("webdriver.ie.driver", executable);
WebDriver driver = new InternetExplorerDriver();
driver.get("https://www.google.com");
driver.quit();
}
}
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