title: org.openqa.selenium.SessionNotCreatedException: A new session could not be created. (Original error: Requested a new session but one was in progress)
body: <p>I am using Appium 1.4.8 for iOS . I have build the code in simulator using xcode and successfully able to launch the server as well as Appium Inspector. But while running my code it is throwing the below error.</p>
  
  <p>My capabilities are 
  @BeforeMethod
  public void setUp() throws MalformedURLException{</p>
  
  <pre><code>DesiredCapabilities capabilities = new DesiredCapabilities();
  capabilities.setCapability("appium-version", "1.0");
  capabilities.setCapability("platformName", "iOS");
  capabilities.setCapability("platformVersion", "8.4");
  capabilities.setCapability("deviceName", "iPad 2");
  capabilities.setCapability("app", "/Users/arunhs/Desktop/AppiumReq/SRC/build/Debug-iphonesimulator/ComplianceWire.app");
  driver = new AppiumDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
  driver.manage().timeouts().implicitlyWait(60, TimeUnit.SECONDS);
  </code></pre>
  
  <p>}</p>
  
  <pre><code>Error is: 
  FAILED CONFIGURATION: @BeforeMethod setUp
  org.openqa.selenium.SessionNotCreatedException: A new session could not be created. (Original error: Requested a new session but one was in progress) (WARNING: The server did not provide any stacktrace information)
  Command duration or timeout: 447 milliseconds
  Build info: version: '2.47.1', revision: '411b314', time: '2015-07-30 03:03:16'
  System info: host: 'N/A', ip: 'N/A', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.10.4', java.version: '1.7.0_79'
  Driver info: io.appium.java_client.AppiumDriver
  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:206)
  at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:158)
  at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595)
  at io.appium.java_client.AppiumDriver.execute(AppiumDriver.java:88)
  at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:242)
  at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:128)
  at org.openqa.selenium.remote.RemoteWebDriver.(RemoteWebDriver.java:155)
  at io.appium.java_client.AppiumDriver.(AppiumDriver.java:44)
  at com.selenium.test.DriverScript.setUp(DriverScript.java:68)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:606)
  at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)
  at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:515)
  at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
  at org.testng.internal.Invoker.invokeMethod(Invoker.java:590)
  at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:834)
  at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1142)
  at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:124)
  at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)
  at org.testng.TestRunner.privateRun(TestRunner.java:771)
  at org.testng.TestRunner.run(TestRunner.java:621)
  at org.testng.SuiteRunner.runTest(SuiteRunner.java:357)
  at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:352)
  at org.testng.SuiteRunner.privateRun(SuiteRunner.java:310)
  at org.testng.SuiteRunner.run(SuiteRunner.java:259)
  at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
  at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
  at org.testng.TestNG.runSuitesSequentially(TestNG.java:1176)
  at org.testng.TestNG.runSuitesLocally(TestNG.java:1101)
  at org.testng.TestNG.run(TestNG.java:1009)
  at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
  at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
  at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)
  </code></pre>