[Liberty]IBM WAS Liberty 서버와 eclipse 를 통해 JAX-WS 웹 서비스를 개발시점에서 WSDL 을 생성하고자 할때 에러 발생

1. WAS 버전 : IBM WAS Liberty v8.5.5 + Eclipse

2. OS : All

3. Error 발생 시점 : IBM WAS Liberty 서버와 eclipse 를 통해 JAX-WS 웹 서비스를 개발시점에서 WSDL 을 생성하고자 할때 에러 발생

4. Error message :

java.lang.NullPointerException
      at com.ibm.ast.ws.jaxws.creation.command.CopyWSDLToProjectCommand.correctEndpointAddressesInWSDL(CopyWSDLToProjectCommand.java:251)
      at com.ibm.ast.ws.jaxws.creation.command.CopyWSDLToProjectCommand.execute(CopyWSDLToProjectCommand.java:143)
      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.getNextPage(WizardPageManager.java:154)
      at org.eclipse.wst.command.internal.env.ui.widgets.SimpleWizardPage.getNextPage(SimpleWizardPage.java:136)
      at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:908)
      at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:428)
      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.wst.command.internal.env.ui.widgets.popup.DynamicPopupWizard.run(DynamicPopupWizard.java:130)
      at org.eclipse.ui.internal.PluginAction.runWithEvent(PluginAction.java:251)
      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:1053)
      at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
      at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:942)
      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(NativeMethodAccessorImpl.java:88)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
      at java.lang.reflect.Method.invoke(Method.java:618)
      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)


5. 예상 이유 :  Eclipse 의 버그로 보이며 workspace 가 꼬여서 발생하는 것으로 보임

6. 조치 방안 :
   (1) 가장 확실한 방법은 workspace 를 새로 만들면 됨

   (2) 하단과 같은 External Plug-in Libraries 를 삭제하고 eclipse 재시작

  (3) eclipses\workspace\.metadata\.plugins\org.eclipse.core.resources 를 삭제하고 eclipse 재시작