我的机器环境是WIN7，IE8，JDK1.5.0，Selenium2.19.0版本，在调试WEB自动化测试过程中，遇到Firfox启动正常，但是IE8却启动报如下的错误：
java.lang.RuntimeException: org.openqa.selenium.WebDriverException: Unexpected error launching Internet Explorer. Protected Mode must be set to the same value (enabled or disabled) for all zones. (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 215 milliseconds Build info: version: '2.19.0', revision: '15848', time: '2012-02-08 16:25:03' System info: os.name: 'Windows Vista', os.arch: 'x86', os.version: '6.1', java.version: '1.5.0_11' Driver info: driver.version: InternetExplorerDriver at com.ygsoft.soaware.test.selenium.WebDriverFactory.getWebDriver(WebDriverFactory.java:32) at com.ygsoft.soaware.test.selenium.WebDriverFactory.getWebDriver(WebDriverFactory.java:49) at com.ygsoft.soaware.test.selenium.LoginDemoTest.testLoginSuccess(LoginDemoTest.java:30) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at junit.framework.TestCase.runTest(TestCase.java:168) at junit.framework.TestCase.runBare(TestCase.java:134) at org.springframework.test.ConditionalTestCase.runBare(ConditionalTestCase.java:76) at junit.framework.TestResult$1.protect(TestResult.java:110) at junit.framework.TestResult.runProtected(TestResult.java:128) at junit.framework.TestResult.run(TestResult.java:113) at junit.framework.TestCase.run(TestCase.java:124) at junit.framework.TestSuite.runTest(TestSuite.java:232) at junit.framework.TestSuite.run(TestSuite.java:227) at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:79) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197) Caused by: org.openqa.selenium.WebDriverException: Unexpected error launching Internet Explorer. Protected Mode must be set to the same value (enabled or disabled) for all zones. (WARNING: The server did not provide any stacktrace information) Command duration or timeout: 215 milliseconds Build info: version: '2.19.0', revision: '15848', time: '2012-02-08 16:25:03' System info: os.name: 'Windows Vista', os.arch: 'x86', os.version: '6.1', java.version: '1.5.0_11' Driver info: driver.version: InternetExplorerDriver at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at org.openqa.selenium.remote.ErrorHandler.createThrowable(ErrorHandler.java:170) at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:123) at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:439) at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:139) at org.openqa.selenium.ie.InternetExplorerDriver.setup(InternetExplorerDriver.java:91) at org.openqa.selenium.ie.InternetExplorerDriver.(InternetExplorerDriver.java:48) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:494) at java.lang.Class.newInstance0(Class.java:350) at java.lang.Class.newInstance(Class.java:303) at com.ygsoft.soaware.test.selenium.WebDriverFactory.getWebDriver(WebDriverFactory.java:30) ... 22 more
找了一圈的Google，有些是说要去掉浏览器的安全模式选择，但是发现没有用。
于是对代码进行了修改如下：
DesiredCapabilities ieCapabilities = DesiredCapabilities.internetExplorer();
ieCapabilities.setCapability
(InternetExplorerDriver.INTRODUCE_FLAKINESS_BY_IGNORING_SECURITY_DOMAINS,true);
driver = new InternetExplorerDriver(ieCapabilities);