java.lang.LinkageError: org/apache/xml/dtm/ref/dom2dtm/DOM2DTMdefaultNamespaceDeclarationNode
<p>While creating web server client in Eclipse using tomcat as server and apache axis2 i am facing an error: 
by using <a href="http://codeoncloud.blogspot.com/2012/12/create-java-web-service-in-eclipse_3982.html" rel="nofollow">this tutorial</a></p>

<pre><code>Exception occurred during code generation for WSDL  : java.lang.LinkageError: org/apache/xml/dtm/ref/dom2dtm/DOM2DTMdefaultNamespaceDeclarationNode
    java.lang.reflect.InvocationTargetException
    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.eclipse.jst.ws.axis2.consumption.core.command.Axis2ClientCodegenCommand.execute(Axis2ClientCodegenCommand.java:222)
    at org.eclipse.wst.command.internal.env.core.fragment.CommandFragmentEngine.runCommand(CommandFragmentEngine.java:419)
    at org.eclipse.wst.command.internal.env.core.fragment.CommandFragmentEngine.visitTop(CommandFragmentEngine.java:359)
    at org.eclipse.wst.command.internal.env.core.fragment.CommandFragmentEngine.moveForwardToNextStop(CommandFragmentEngine.java:254)
    at org.eclipse.wst.command.internal.env.ui.widgets.SimpleCommandEngineManager$6.run(SimpleCommandEngineManager.java:294)
    at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:464)
    at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:372)
    at org.eclipse.jface.wizard.WizardDialog.run(WizardDialog.java:1028)
    at org.eclipse.wst.command.internal.env.ui.widgets.SimpleCommandEngineManager.runForwardToNextStop(SimpleCommandEngineManager.java:264)
    at org.eclipse.wst.command.internal.env.ui.widgets.WizardPageManager.runForwardToNextStop(WizardPageManager.java:91)
    at org.eclipse.wst.command.internal.env.ui.widgets.WizardPageManager.performFinish(WizardPageManager.java:262)
    at org.eclipse.wst.command.internal.env.ui.widgets.DynamicWizard.performFinish(DynamicWizard.java:382)
    at org.eclipse.jface.wizard.WizardDialog.finishPressed(WizardDialog.java:827)
    at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:432)
    at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
    at org.eclipse.jface.window.Window.open(Window.java:801)
    at org.eclipse.ui.internal.handlers.WizardHandler$New.executeHandler(WizardHandler.java:259)
    at org.eclipse.ui.internal.handlers.WizardHandler.execute(WizardHandler.java:279)
    at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:290)
    at org.eclipse.ui.internal.handlers.E4HandlerProxy.execute(E4HandlerProxy.java:76)
    at sun.reflect.GeneratedMethodAccessor108.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:229)
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:210)
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:131)
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:171)
    at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:500)
    at org.eclipse.ui.internal.actions.CommandAction.runWithEvent(CommandAction.java:157)
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584)
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501)
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411)
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4169)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3758)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
    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.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
    Caused by: java.lang.LinkageError: org/apache/xml/dtm/ref/dom2dtm/DOM2DTMdefaultNamespaceDeclarationNode
    at org.apache.xml.dtm.ref.dom2dtm.DOM2DTM.nextNode(DOM2DTM.java:567)
    at org.apache.xml.dtm.ref.DTMDefaultBase._firstch(DTMDefaultBase.java:531)
    at org.apache.xml.dtm.ref.DTMDefaultBase.getFirstChild(DTMDefaultBase.java:971)
    at org.apache.xpath.axes.ChildIterator.nextNode(ChildIterator.java:89)
    at org.apache.xpath.axes.NodeSequence.nextNode(NodeSequence.java:281)
    at org.apache.xalan.templates.ElemApplyTemplates.transformSelectedNodes(ElemApplyTemplates.java:278)
    at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:176)
    at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2411)
    at org.apache.xalan.transformer.TransformerImpl.applyTemplateToNode(TransformerImpl.java:2281)
    at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1367)
    at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:709)
    at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1284)
    at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1262)
    at org.apache.axis2.util.XSLTTemplateProcessor.parse(XSLTTemplateProcessor.java:80)
    at org.apache.axis2.util.XSLTTemplateProcessor.parse(XSLTTemplateProcessor.java:155)
    at org.apache.axis2.util.XSLTTemplateProcessor.parse(XSLTTemplateProcessor.java:117)
    at org.apache.axis2.wsdl.codegen.writer.FileWriter.parse(FileWriter.java:175)
    at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.writeFile(AxisServiceBasedMultiLanguageEmitter.java:2663)
    at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.writeCallBackHandlers(AxisServiceBasedMultiLanguageEmitter.java:1209)
    at org.apache.axis2.wsdl.codegen.emitter.AxisServiceBasedMultiLanguageEmitter.emitStub(AxisServiceBasedMultiLanguageEmitter.java:500)
    at org.apache.axis2.wsdl.codegen.CodeGenerationEngine.generate(CodeGenerationEngine.java:282)
    ... 68 more
</code></pre>
