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appium / java-client

Java language binding for writing Appium Tests, conforms to W3C WebDriver Protocol
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Unable to initialize the WebElement of Object Repository using "PageFactory.initElements(driver, this);" in constructor, Throwing an java.lang.NullPointerException #1348

Open vaibhav01M opened 4 years ago

vaibhav01M commented 4 years ago

Description

Unable to initialize the WebElement of Object Repository using "PageFactory.initElements(driver, this);" in constructor in Page Object class which inherits the driver from the base class, Throwing an java.lang.NullPointerException

Environment

Details

Code throws java.lang.NullPointerException as Web Elements are not initializing using "PageFactory.initElements(driver, this);" method in Page Object class

Code To Reproduce Issue [ Good To Have ]

You can access the code from following link - https://github.com/vaibhav01M/sampleNewDemoTours.git

Exception Stacktraces

[RemoteTestNG] detected TestNG version 6.14.3 Starting ChromeDriver 2.40.565498 (ea082db3280dd6843ebfb08a625e3eb905c4f5ab) on port 8988 Only local connections are allowed. May 17, 2020 2:53:31 PM org.openqa.selenium.remote.ProtocolHandshake createSession INFO: Detected dialect: OSS PASSED: verifyWelcomePage FAILED: verifyMercuryLogo java.lang.NullPointerException at org.openqa.selenium.support.pagefactory.DefaultElementLocator.findElement(DefaultElementLocator.java:69) at org.openqa.selenium.support.pagefactory.internal.LocatingElementHandler.invoke(LocatingElementHandler.java:38) at com.sun.proxy.$Proxy9.isDisplayed(Unknown Source) at pageobjects.WelcomePage.validateMercuryLogo(WelcomePage.java:33) at testscript.WelcomePageTest.verifyMercuryLogo(WelcomePageTest.java:31) 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.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:124) at org.testng.internal.Invoker.invokeMethod(Invoker.java:583) at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:719) at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:989) at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:125) at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:109) at org.testng.TestRunner.privateRun(TestRunner.java:648) at org.testng.TestRunner.run(TestRunner.java:505) at org.testng.SuiteRunner.runTest(SuiteRunner.java:455) at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:450) at org.testng.SuiteRunner.privateRun(SuiteRunner.java:415) at org.testng.SuiteRunner.run(SuiteRunner.java:364) at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52) at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:84) at org.testng.TestNG.runSuitesSequentially(TestNG.java:1208) at org.testng.TestNG.runSuitesLocally(TestNG.java:1137) at org.testng.TestNG.runSuites(TestNG.java:1049) at org.testng.TestNG.run(TestNG.java:1017) at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:115) at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:251) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:77)

=============================================== Default test Tests run: 2, Failures: 1, Skips: 0

=============================================== Default suite Total tests run: 2, Failures: 1, Skips: 0

ahmadsayeed3 commented 4 years ago 
System.setProperty("webdriver.chrome.driver", "F:\\Java Basic\\DemoProjectWorkspace\\.metadata\\sample\\Driver_Executables\\chromedriver.exe");
        driver = new ChromeDriver();    
        driver.manage().window().maximize();
        driver.manage().deleteAllCookies();
        driver.manage().timeouts().pageLoadTimeout(10, TimeUnit.SECONDS);
        driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);
        driver.get("http://newtours.demoaut.com/");

The code you have written here is to open a browser in the PC/Mac. This is not the way to launch browser in a mobile device.