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Appium 1.7.1 - iOS: Timed out after waiting 1.0s for KeyEventCompleted after sending event for ...

See original GitHub issue

The problem

We have a large suite of tests that run in parallel over night. At some point several tests start to fail due to the error below. In the screenshots that we’re making when the tests fail we’re seeing in the textfield we’re typing ‘mm’ instead so it seems that two ‘m’ were introduced when the test failed.

We’re using connectHardwareKeyboard=false and also I’ve disabled Screen Saver on our build, since I’ve read that this might be a cause as well.

We’re not sure what is causing this :-?

Environment

Appium version (or git revision) that exhibits the issue: 1.7.1
Last Appium version that did not exhibit the issue (if applicable): :-?
Desktop OS/version used to run Appium: macOS 10.12.6
Node.js version (unless using Appium.app|exe): v7.0.0
Mobile platform/version under test: iOS
Real device or emulator/simulator: iOS 10 and iOS 11 Simulator
Appium CLI or Appium.app|exe: CLI

Link to Appium logs

org.openqa.selenium.WebDriverException: An unknown server-side error occurred while processing the command. Original error: Error Domain=XCTDaemonErrorDomain Code=14 "Timed out after waiting 1.0s for KeyEventCompleted after sending event for 'm'." UserInfo={NSLocalizedDescription=Timed out after waiting 1.0s for KeyEventCompleted after sending event for 'm'.} (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 3.75 seconds
Build info: version: '2.53.0', revision: '35ae25b1534ae328c771e0856c93e187490ca824', time: '2016-03-15 10:43:46'
System info: host: 'osxbuildserver.internal.mywebgrocer.com', ip: '10.0.40.9', os.name: 'Mac OS X', os.arch: 'x86_64', os.version: '10.12.6', java.version: '1.8.0_91'
Driver info: io.appium.java_client.ios.IOSDriver
Capabilities [{app=/Users/jenkins/.jenkins/jobs/MyApp/jobs/MPS_AQA/jobs/iOS_Parallel/workspace/iOS/build-simulator/MyApp.app, networkConnectionEnabled=false, clearSystemFiles=true, databaseEnabled=false, connectHardwareKeyboard=false, deviceName=iPhone 5s, platform=MAC, wdaLocalPort=6789, newCommandTimeout=300, platformVersion=11.0, webStorageEnabled=false, locationContextEnabled=false, automationName=XCUITest, browserName=, takesScreenshot=true, javascriptEnabled=true, platformName=iOS, udid=936C7D51-F6C3-41D3-B80B-5411C92491DE}]
Session ID: e481bd46-0eb7-4715-acc3-8d8061f3cb4f
	at sun.reflect.GeneratedConstructorAccessor136.newInstance(Unknown Source)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	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:678)
	at io.appium.java_client.DefaultGenericMobileDriver.execute(DefaultGenericMobileDriver.java:40)
	at io.appium.java_client.AppiumDriver.execute(AppiumDriver.java:1)
	at io.appium.java_client.ios.IOSDriver.execute(IOSDriver.java:1)
	at org.openqa.selenium.remote.RemoteWebElement.execute(RemoteWebElement.java:327)
	at io.appium.java_client.DefaultGenericMobileElement.execute(DefaultGenericMobileElement.java:33)
	at io.appium.java_client.MobileElement.execute(MobileElement.java:1)
	at io.appium.java_client.ios.IOSElement.execute(IOSElement.java:1)
	at org.openqa.selenium.remote.RemoteWebElement.sendKeys(RemoteWebElement.java:122)
	at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at io.appium.java_client.pagefactory.ElementInterceptor.getObject(ElementInterceptor.java:39)
	at io.appium.java_client.pagefactory.interceptors.InterceptorOfASingleElement.intercept(InterceptorOfASingleElement.java:58)
	at io.appium.java_client.ios.IOSElement$$EnhancerByCGLIB$$184e91dc.sendKeys(<generated>)
	at pages.SignInPage.setUsername(SignInPage.java:44)
	at glue.steps.SignInSteps.I_sign_in(SignInSteps.java:20)
	at ✽.And I sign in(/Users/jenkins/.jenkins/jobs/MyApp/jobs/AQA/jobs/iOS_Parallel/workspace/src/test/resources/features/feature1/SomeFeature.feature:7)