IWAB0014E 예기치 않은 예외가 발생했습니다.

Question

eclipse를 사용하여 간단한 비누 웹 서비스 응용 프로그램을 만들려고하는데이 오류가 발생했습니다.

저는 Tomcat v7.0 서버와 eclipse Kepler를 사용하고 있습니다. 아무도이 예외와 나를 도울 수 있습니까?

IWAB0014E 예기치 않은 예외가 발생했습니다.

java.lang.NullPointerException 
    at org.eclipse.jst.ws.internal.creation.ui.extension.PreServiceDevelopCommand.execute(PreServiceDevelopCommand.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$2.widgetSelected(Dialog.java:628) 
    at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248) 
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1057) 
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) 
    at org.eclipse.jface.window.Window.runEventLoop(Window.java:826) 
    at org.eclipse.jface.window.Window.open(Window.java:802) 
    at org.eclipse.ui.internal.handlers.WizardHandler$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:90) 
    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.e4.core.internal.di.MethodRequestor.execute(MethodRequestor.java:56) 
    at org.eclipse.e4.core.internal.di.InjectorImpl.invokeUsingClass(InjectorImpl.java:243) 
    at org.eclipse.e4.core.internal.di.InjectorImpl.invoke(InjectorImpl.java:224) 
    at org.eclipse.e4.core.contexts.ContextInjectionFactory.invoke(ContextInjectionFactory.java:132) 
    at org.eclipse.e4.core.commands.internal.HandlerServiceHandler.execute(HandlerServiceHandler.java:167) 
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:499) 
    at org.eclipse.core.commands.ParameterizedCommand.executeWithChecks(ParameterizedCommand.java:508) 
    at org.eclipse.e4.core.commands.internal.HandlerServiceImpl.executeHandler(HandlerServiceImpl.java:213) 
    at org.eclipse.ui.internal.handlers.LegacyHandlerService.executeCommand(LegacyHandlerService.java:420) 
    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:1057) 
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4170) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3759) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1113) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:997) 
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:140) 
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:611) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:567) 
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150) 
    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:354) 
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:181) 
    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:636) 
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:591) 
    at org.eclipse.equinox.launcher.Main.run(Main.java:1450) 

Answer 1

귀하의 코드는 NullPointerException PreServiceDevelopCommand.java:143

에서

NullPointerException 당신이 초기화되지 않은 참조를 사용하고 싶어한다는 것을 의미 던졌습니다. 가장 일반적인 시나리오는 new 연산자 또는 팩토리 메서드를 사용하여 멤버를 사용하거나 초기화되지 않은 객체의 메서드를 호출하려는 경우입니다. 143 번 줄에서 오류가 발생한 파일을 확인하고 null이 무엇인지 확인하십시오. 워드 프로세서

공식 설명 :

는 어플리케이션이 오브젝트가 필요한 경우에, 널 사용하려고 할 때 슬로우. 이들은 다음을 포함한다 :이 때문에 Axis2와의 부적절한 설치로 일어나고

- Calling the instance method of a null object. 
- Accessing or modifying the field of a null object. 
- Taking the length of null as if it were an array. 
- Accessing or modifying the slots of null as if it were an array. 
- Throwing null as if it were a Throwable value. 

Answer 2

.

단계 :

다운로드 Axis2를 : 링크 ->http://ws.apache.org/axis2/download.cgi 가리키고 Axis2를 런타임 디렉토리 이클립스 : 메뉴 -> 윈도우 -> 환경 설정 -> 웹 서비스 -> Axis2는 환경

Answer 3

웹 서비스를 생성하려는 pojo 클래스를 깨끗이 해보자.

클래스를 지우고 다시 컴파일하십시오.

그것은 나를 위해 일했습니다.

Answer 4

이미 생성 한 클라이언트를 삭제하면 문제가 해결됩니다.