Helium .. a boon or not to all automation engineers?

‘Selenium’ is the hot-topic in the automation sector, if any developer or tester knows Selenium well, then it is considered  as he can do anything which is required to perform ‘Web automation’. Its been almost a decade when Selenium came up to the market, and as the time passed it became more and more popular. People started taking it more seriously. Not only as a stand-alone tool, merely with the combination of other tools like Maven, Jenkins, TestNG, etc.

Though the work goes on, and people started taking more interest in this automation area, people started finding flaws in this tool. However some were very genuine, on contrary some seems to make less sense.
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Resolution of some major Errors/Exception which users face while working with Selenium Grid.

1. failed configuration: @beforemethod setup org.openqa.selenium.webdriverexception: error forwarding the new session empty pool of vm for setup capabilities.

Resolution : https://khyatisehgal.wordpress.com/2014/08/27/failed-configuration-beforemethod-setup-org-openqa-selenium-webdriverexception-error-forwarding-the-new-session-empty-pool-of-vm-for-setup-capabilities/

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Varied understanding of TestNg and Selenium grid on distinct lines.

Last week, I have given a session over Selenium grid with one of my colleague. In that session, we have covered various topic related to Selenium grid, and we answered some great questions which were asked from the audience out there. In this blog post, I will share the most relish topic which is TestNG.

I have seen many articles, notes, etc over the comparison of TestNG and Selenium Grid, and in this piece of write-up I will share my own experience of working with both and what all pros-cons both holds.To start with let us start with Selenium grid.

Selenium Grid

It is one of the flavor of widely used web automation tool – Selenium. Selenium comes in different edition, like Selenium IDE, Selenium Remote Control, Selenium Webdriver, and Selenium Grid. Each one has its own unique importance.

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FAILED CONFIGURATION: @BeforeMethod setUp org.openqa.selenium. WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities


[TestNG] Running:
C:\Users\user\AppData\Local\Temp\testng-eclipse-2068414740\testng-customsuite.xml

FAILED CONFIGURATION: @BeforeMethod setUp
org.openqa.selenium.WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities [{platform=WINDOWS, ensureCleanSession=true, browserName=internet explorer, version=}]
Command duration or timeout: 200 milliseconds
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32'
System info: host: 'ksehgal', ip: '192.168.0.162', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_67'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
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:193)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:240)

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Listening on port 32052:Exception in thread “main” org.openqa.selenium.remote. SessionNotFoundException

ERROR

Started InternetExplorerDriver server (32-bit)
2.42.0.0
Listening on port 32052
Exception in thread "main" org.openqa.selenium.remote.SessionNotFoundException: Unexpected error launching Internet Explorer. Protected Mode settings are not the same for all zones. Enable Protected Mode must be set to the same value (enabled or disabled) for all zones. (WARNING: The server did not provide any stacktrace information)
Command duration or timeout: 1.21 seconds
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32'
System info: host: 'ksehgal', ip: '192.168.14.1', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_67'

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Exception in thread “main” org.openqa.selenium.WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities [{browserName=safari}]

ERROR

Exception in thread "main" org.openqa.selenium.WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities [{browserName=safari}]
Command duration or timeout: 198 milliseconds
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32'
System info: host: 'ksehgal', ip: '192.168.14.1', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_67'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
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:193)
at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:240)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:126)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:153)
at remoteDriver.TestFireFoxRemotely.main(TestFireFoxRemotely.java:17)

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java.lang.UnsupportedClassVersionError: Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1

java.lang.UnsupportedClassVersionError: com/xtr/parallel/QuickTestWinFF :Unsupported major.minor version 51.0 at
 java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
 at java.lang.ClassLoader.defineClass(ClassLoader.java:615) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) at
 java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at
 java.net.URLClassLoader.access$000(URLClassLoader.java:58) at
 java.net.URLClassLoader$1.run(URLClassLoader.java:197) at java.security.AccessController.doPrivileged(Native
 Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at
 java.lang.ClassLoader.loadClass(ClassLoader.java:306) at
 sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at
 java.lang.ClassLoader.loadClass(ClassLoader.java:247) at
 org.testng.internal.ClassHelper.forName(ClassHelper.java:96) at
 org.testng.xml.XmlClass.loadClass(XmlClass.java:78) at org.testng.xml.XmlClass.init(XmlClass.java:73) at
 org.testng.xml.XmlClass.(XmlClass.java:59) at
 org.testng.xml.TestNGContentHandler.startElement(TestNGContentHandler.java:543) at
 com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:501) at
 com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:17
 9) at com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.emptyElement(XMLDTDValidator.java:788) at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScanneImpl.java:1343) at
com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2756) at
 com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:647) at  com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:511) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:808) at
 com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:737) at
 com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:119) at
 com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1205) at
 com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:522) at
 javax.xml.parsers.SAXParser.parse(SAXParser.java:395) at javax.xml.parsers.SAXParser.parse(SAXParser.java:198) at
 org.testng.xml.SuiteXmlParser.parse(SuiteXmlParser.java:17) at
 org.testng.xml.SuiteXmlParser.parse(SuiteXmlParser.java:10) at org.testng.xml.Parser.parse(Parser.java:172) at
 org.testng.TestNG.initializeSuitesAndJarFile(TestNG.java:311) at
 org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:88) at
 org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204) at
 org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)

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selenium grid: org.openqa.selenium.remote. UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.

Error:

[TestNG] Running:
C:\Users\user\AppData\Local\Temp\testng-eclipse-314942106\testng-customsuite.xml
FAILED CONFIGURATION: @BeforeClass setUp
org.openqa.selenium.remote.UnreachableBrowserException: Could not start a new session. Possible causes are invalid address of the remote server or browser start-up failure.
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32'
System info: host: 'ksehgal', ip: '192.168.14.1', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.6.0_43'
Driver info: driver.version: RemoteWebDriver
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:589)
at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:240)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:126)
at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:153)
at blogExample.TestingBot.setUp(TestingBot.java:27)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
at org.testng.internal.Invoker.invokeConfigurationMethod(Invoker.java:564)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:213)
at org.testng.internal.Invoker.invokeConfigurations(Invoker.java:138)
at org.testng.internal.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:175)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:107)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:335)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:330)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
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)
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:351)
at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:213)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:200)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:366)
at java.net.Socket.connect(Socket.java:529)
at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:117)
at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:178)
at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:144)
at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:131)
at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:610)
at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:445)
at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:72)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:57)
at org.openqa.selenium.remote.HttpCommandExecutor.fallBackExecute(HttpCommandExecutor.java:322)
at org.openqa.selenium.remote.HttpCommandExecutor.execute(HttpCommandExecutor.java:301)
at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:568)
... 28 more

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Selenium Grid : Forbidden for Proxy , HTTP ERROR: 403

Command to start Selenium Grid at your local


F:\Selenium>java -jar selenium-server-standalone-2.41.0.jar
Aug 20, 2014 7:44:34 PM org.openqa.grid.selenium.GridLauncher main
INFO: Launching a selenium grid server
2014-08-20 19:44:35.907:INFO:osjs.Server:jetty-7.x.y-SNAPSHOT
2014-08-20 19:44:35.952:INFO:osjsh.ContextHandler:started o.s.j.s.ServletContextHandler{/,null}
2014-08-20 19:44:35.960:INFO:osjs.AbstractConnector:Started SocketConnector@0.0.0.0:4444

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org.openqa.selenium.WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities [{browserName=safari}]

Problem Statement


Exception in thread "main" org.openqa.selenium.WebDriverException: Error forwarding the new session Empty pool of VM for setup Capabilities [{browserName=safari}]
Command duration or timeout: 198 milliseconds
Build info: version: '2.41.0', revision: '3192d8a', time: '2014-03-27 17:17:32'
System info: host: 'XXXX', ip: '192.168.14.1', os.name: 'Windows 7', os.arch: 'amd64', os.version: '6.1', java.version: '1.7.0_67'
Driver info: org.openqa.selenium.remote.RemoteWebDriver
 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:193)
 at org.openqa.selenium.remote.ErrorHandler.throwIfResponseFailed(ErrorHandler.java:145)
 at org.openqa.selenium.remote.RemoteWebDriver.execute(RemoteWebDriver.java:595)
 at org.openqa.selenium.remote.RemoteWebDriver.startSession(RemoteWebDriver.java:240)
 at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:126)
 at org.openqa.selenium.remote.RemoteWebDriver.<init>(RemoteWebDriver.java:153)
 at remoteDriver.TestFireFoxRemotely.main(TestFireFoxRemotely.java:17)

Caused by: org.openqa.grid.common.exception.GridException: Error forwarding the new session Empty pool of VM for setup Capabilities [{browserName=safari}]
 at org.openqa.grid.web.servlet.handler.RequestHandler.process(RequestHandler.java:114)
 at org.openqa.grid.web.servlet.DriverServlet.process(DriverServlet.java:83)
 at org.openqa.grid.web.servlet.DriverServlet.doPost(DriverServlet.java:67)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at org.seleniumhq.jetty7.servlet.ServletHolder.handle(ServletHolder.java:565)
 at org.seleniumhq.jetty7.servlet.ServletHandler.doHandle(ServletHandler.java:479)
 at org.seleniumhq.jetty7.server.session.SessionHandler.doHandle(SessionHandler.java:225)
 at org.seleniumhq.jetty7.server.handler.ContextHandler.doHandle(ContextHandler.java:1031)
 at org.seleniumhq.jetty7.servlet.ServletHandler.doScope(ServletHandler.java:406)
 at org.seleniumhq.jetty7.server.session.SessionHandler.doScope(SessionHandler.java:186)
 at org.seleniumhq.jetty7.server.handler.ContextHandler.doScope(ContextHandler.java:965)
 at org.seleniumhq.jetty7.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
 at org.seleniumhq.jetty7.server.handler.HandlerWrapper.handle(HandlerWrapper.java:111)
 at org.seleniumhq.jetty7.server.Server.handle(Server.java:349)
 at org.seleniumhq.jetty7.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:452)
 at org.seleniumhq.jetty7.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:47)
 at org.seleniumhq.jetty7.server.AbstractHttpConnection.content(AbstractHttpConnection.java:894)
 at org.seleniumhq.jetty7.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:948)
 at org.seleniumhq.jetty7.http.HttpParser.parseNext(HttpParser.java:857)
 at org.seleniumhq.jetty7.http.HttpParser.parseAvailable(HttpParser.java:235)
 at org.seleniumhq.jetty7.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:66)
 at org.seleniumhq.jetty7.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:254)
 at org.seleniumhq.jetty7.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:599)
 at org.seleniumhq.jetty7.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:534)
 at java.lang.Thread.run(Thread.java:745)

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java.lang.NullPointerException at com.eviware.soapui.reporting.engine.export.XmlExporter.export

Hi all, its been a month I am working on SoapUI and I started writing blogs on SoapUI. From today onwards I will share the hiccups I have faced while working with SoapUI along with the tutorials chain. So lets get started with an unusual error which some of SoapUI users have faced and many may have not seen.
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Eclipse – Integrated Development Environment

Today I will share my personal know-how of a great tool which every developer must have used and many automation tester should-have used. This is an Integrated Development Environment and is very likely known tool among-st IT world.

For development purpose we can use Eclipse. It comes in exotic flavors, depending on the requirement you can opt for any.

TIP: Always go with the flow, i.e. always take the latest and most stable version of the open-source tool.

Gone with the days, where we use to type all programs on Notepad and try executing it with the compiler-first and then executor. Here comes the mostly adopted and highly recommended tool for project developement. Not only small-size projects but also Enterprise Edition, Standard Editions, Mobile Edition type projects.

Eclipse is a well-to-do Integrated Development Environment that can be used for Java, groovy, grails, and much-more development. You can pick one that suits your desires from a whole lot of list available here.

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JMeter – quick start from setting up to increasing size.

To set up Jmeter at your local you need to follow some instruction I have mentioned below. And this will depend on the type of OS you are using.

As we all know Jmeter is an open source tool and the Jmeter community is pretty active in taking questions over the issues , discussions of the tool. Lets get started then !
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