环境：appium 1.6.3
jdk 版本：1.8.0_31
selenium:3.0.1
java-client:5.0.0-BETA3

添加 capabilities.setCapability( "automationName","uiautomator2");

public void testSetUp()
{

    File classpathRoot = new File(System.getProperty("user.dir"));//本地的路径
    File appDir = new File(classpathRoot, "apps");//apk 存放的路径
    File app = new File(appDir, appbean.getApk());//apk 的名字   
    //android Appium 的 基础参数的设置
    DesiredCapabilities capabilities = new DesiredCapabilities();
    capabilities.setCapability(CapabilityType.BROWSER_NAME, "");
    capabilities.setCapability("platformName", "Android");
    capabilities.setCapability("deviceName", "Android Emulator");   
    capabilities.setCapability("platformVersion", appbean.getPlatformVersion() );
     capabilities.setCapability("udid", appbean.getUid());
//  capabilities.setCapability("app", app.getAbsolutePath());   
    //capabilities.setCapability( "automationName","Selendroid");//这句话设置可以获取toast 消息
     capabilities.setCapability( "automationName","uiautomator2");
    capabilities.setCapability("appPackage", "com.orvibo.homemate");
    capabilities.setCapability("appActivity", "com.orvibo.homemate.common.launch.LaunchActivity");
    capabilities.setCapability("unicodeKeyboard", "True");  
    capabilities.setCapability("resetKeyboard", "True");  
    //capabilities.setCapability("setWebContentsDebuggingEnabled", "True"); 
    //capabilities.setCapability("noSign", "True");
    capabilities.setCapability("noReset", true);//实现app不是每次都安装
    try {
        driver = new AndroidDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
    } catch (MalformedURLException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
    driver.manage().timeouts().implicitlyWait(1, TimeUnit.SECONDS);//全局等待5秒


}

启动测试时异常提示如下：

有谁碰到过这个问题么？