System.setProperty("webdriver.firefox.bin",?"C:/Program?Files?(x86)/Mozilla?Firefox/firefox.exe");

加入這行代碼后，運行時報錯：java.lang.IllegalStateException: The path to the driver executable must be set by the webdriver.gecko.driver system property; for more information, see https://github.com/mozilla/geckodriver. The latest version can be downloaded from https://github.com/mozilla/geckodriver/releases
?? ?at com.google.common.base.Preconditions.checkState(Preconditions.java:738)
?? ?at org.openqa.selenium.remote.service.DriverService.findExecutable(DriverService.java:111)
?? ?at org.openqa.selenium.firefox.GeckoDriverService.access$100(GeckoDriverService.java:38)
?? ?at org.openqa.selenium.firefox.GeckoDriverService$Builder.findDefaultExecutable(GeckoDriverService.java:112)
?? ?at org.openqa.selenium.remote.service.DriverService$Builder.build(DriverService.java:302)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.toExecutor(FirefoxDriver.java:233)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:125)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:121)
?? ?at com.selenium.seleniumIDETest.setUp(seleniumIDETest.java:22)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
?? ?at java.lang.reflect.Method.invoke(Unknown Source)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
?? ?at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
?? ?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
?? ?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?? ?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

java.lang.NullPointerException
?? ?at com.selenium.seleniumIDETest.tearDown(seleniumIDETest.java:38)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
?? ?at java.lang.reflect.Method.invoke(Unknown Source)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
?? ?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
?? ?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?? ?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

System.setProperty("webdriver.gecko.driver",?"D:/FireFox/geckodriver-v0.17.0-win64/geckodriver.exe");
??????System.setProperty("webdriver.firefox.bin",?"C:/Program?Files?(x86)/Mozilla?Firefox/firefox.exe");

加入這行代碼后，打開了火狐瀏覽器，但是不能進行其他操作，報錯：org.openqa.selenium.SessionNotCreatedException: Unable to create new remote session. desired capabilities = Capabilities [{moz:firefoxOptions={binary=Optional.empty, args=[], legacy=null, logLevel=null, prefs={}, profile=null}}], required capabilities = Capabilities [{moz:firefoxOptions={binary=Optional.empty, args=[], legacy=null, logLevel=null, prefs={}, profile=null}}]
Build info: version: 'unknown', revision: '5234b32', time: '2017-03-10 09:00:17 -0800'
System info: host: '46455B3D079EFCB', ip: '172.22.180.157', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.8.0_131'
Driver info: driver.version: FirefoxDriver
?? ?at org.openqa.selenium.remote.ProtocolHandshake.createSession(ProtocolHandshake.java:126)
?? ?at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:141)
?? ?at org.openqa.selenium.remote.service.DriverCommandExecutor.execute(DriverCommandExecutor.java:82)
?? ?at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:604)
?? ?at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:244)
?? ?at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:131)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:218)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:125)
?? ?at org.openqa.selenium.firefox.FirefoxDriver.<init>(FirefoxDriver.java:121)
?? ?at com.selenium.seleniumIDETest.setUp(seleniumIDETest.java:22)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
?? ?at java.lang.reflect.Method.invoke(Unknown Source)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
?? ?at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
?? ?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
?? ?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?? ?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

java.lang.NullPointerException
?? ?at com.selenium.seleniumIDETest.tearDown(seleniumIDETest.java:38)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?? ?at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
?? ?at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
?? ?at java.lang.reflect.Method.invoke(Unknown Source)
?? ?at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
?? ?at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
?? ?at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
?? ?at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:33)
?? ?at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
?? ?at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
?? ?at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
?? ?at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
?? ?at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
?? ?at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
?? ?at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
?? ?at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
?? ?at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
?? ?at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:678)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
?? ?at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)


請大神幫忙解答?。。「懔艘徽麄€下午，無解