org.testng.TestNGException: Cannot instantiate class com.qtpselenium.core.ddf.DummyTestB at org.testng.internal.ObjectFactoryImpl.newInstance(ObjectFactoryImpl.java:40) at org.testng.internal.ClassHelper.createInstance1(ClassHelper.java:363) at org.testng.internal.ClassHelper.createInstance(ClassHelper.java:275) at org.testng.internal.ClassImpl.getDefaultInstance(ClassImpl.java:126) at org.testng.internal.ClassImpl.getInstances(ClassImpl.java:191) at org.testng.TestClass.getInstances(TestClass.java:100) at org.testng.TestClass.initTestClassesAndInstances(TestClass.java:86) at org.testng.TestClass.init(TestClass.java:78) at org.testng.TestClass.<init>(TestClass.java:41) at org.testng.TestRunner.initMethods(TestRunner.java:425) at org.testng.TestRunner.init(TestRunner.java:252) at org.testng.TestRunner.init(TestRunner.java:222) at org.testng.TestRunner.<init>(TestRunner.java:171) at org.testng.remote.support.RemoteTestNG6_9_10$1.newTestRunner(RemoteTestNG6_9_10.java:28) at org.testng.remote.support.RemoteTestNG6_9_10$DelegatingTestRunnerFactory.newTestRunner(RemoteTestNG6_9_10.java:61) at org.testng.SuiteRunner$ProxyTestRunnerFactory.newTestRunner(SuiteRunner.java:623) at org.testng.SuiteRunner.init(SuiteRunner.java:189) at org.testng.SuiteRunner.<init>(SuiteRunner.java:136) at org.testng.TestNG.createSuiteRunner(TestNG.java:1375) at org.testng.TestNG.createSuiteRunners(TestNG.java:1355) at org.testng.TestNG.runSuitesLocally(TestNG.java:1209) at org.testng.TestNG.runSuites(TestNG.java:1133) at org.testng.TestNG.run(TestNG.java:1104) at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:126) at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:137) at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:58) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at org.testng.internal.ObjectFactoryImpl.newInstance(ObjectFactoryImpl.java:29) ... 25 more Caused by: java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$100(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.xerces.parsers.AbstractDOMParser.startDocument(Unknown Source) at org.apache.xerces.impl.dtd.XMLDTDValidator.startDocument(Unknown Source) at org.apache.xerces.impl.XMLDocumentScannerImpl.startEntity(Unknown Source) at org.apache.xerces.impl.XMLVersionDetector.startDocumentParsing(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source) at org.apache.xerces.parsers.XMLParser.parse(Unknown Source) at org.apache.xerces.parsers.DOMParser.parse(Unknown Source) at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source) at javax.xml.parsers.DocumentBuilder.parse(Unknown Source) at com.relevantcodes.extentreports.Configuration.getConfigurationMap(Configuration.java:38) at com.relevantcodes.extentreports.Report.loadConfig(Report.java:445) at com.relevantcodes.extentreports.Report.<init>(Report.java:566) at com.relevantcodes.extentreports.ExtentReports.<init>(ExtentReports.java:66) at com.relevantcodes.extentreports.ExtentReports.<init>(ExtentReports.java:195) at com.qtpselenium.core.ddf.util.ExtentManager.getInstance(ExtentManager.java:19) at com.qtpselenium.core.base.BaseTest.<init>(BaseTest.java:32) at com.qtpselenium.core.ddf.DummyTestB.<init>(DummyTestB.java:9) ... 30 more Caused by: java.lang.ClassNotFoundException: org.w3c.dom.ElementTraversal at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 60 more