2012-08-03 3 views
2

프로그래밍에서 주로 사용되는 것처럼 질문과 해결책이 많아서 더 많은 질문과 버그가 발생했습니다. 서블릿, JSF 및 EJB를 처음 사용했습니다. 의존성 주입과 관련된 오류가 발생했습니다.JSF 2.x @EJB 의존성 주입 오류

여기에 내 원래의 질문 : JSF h tags not displaying 내가 내 관리 빈 코드와 사출 오류의 결과 스택 추적을 붙여, 새로운 질문을하기 위해 필요한 들었다

. 어떤 도움이라도 대단히 감사하겠습니다.

ManagedBean은

@ManagedBean(name ="draftSavvyController") 
@RequestScoped 
public class DraftSavvyController 
{ 
    // ====================================== 
    // =    Attributes    = 
    // ====================================== 
    @EJB 
    private DraftSavvyBean draftBean; 
    private Person person; 
    private String name; 
    private String password; 
    private String userType; 
    private String searchTerm; 
    private static final String apiKey = "4765b95b1bb4ca5248261b7b9af443db"; 

    // ====================================== 
    // =   Public Methods   = 
    // ====================================== 
    public String doRegisterUser() 
    { 
     draftBean.registerUser(name, password, userType); 
     return "chooseBeers.xhtml"; 
    } 

    public String doCheckForUser() 
    {   
     if(draftBean.checkForUser(name, password)) 
     { 
      return "chooseBeers.xhtml"; 
     } 
     else return "loginerror.xhtml"; 
    } 

    public String searchForBeers() throws MalformedURLException, IOException, JSONException 
    { 
     draftBean.searchForBeers(searchTerm, apiKey); 

     return "displaybeers.js"; 
    } 

스택 추적

com.sun.faces.mgbean.ManagedBeanCreationException: An error occurred performing resource injection on managed bean draftSavvyController 
    at com.sun.faces.mgbean.BeanBuilder.injectResources(BeanBuilder.java:211) 
    at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:103) 
    at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:409) 
    at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:269) 
    at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244) 
    at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116) 
    at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176) 
    at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203) 
    at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:103) 
    at com.sun.el.parser.AstValue.getValue(AstValue.java:179) 
    at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:224) 
    at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50) 
    at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109) 
    at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194) 
    at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182) 
    at javax.faces.component.UIOutput.getValue(UIOutput.java:169) 
    at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205) 
    at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:355) 
    at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164) 
    at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875) 
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1764) 
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1760) 
    at javax.faces.render.Renderer.encodeChildren(Renderer.java:168) 
    at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845) 
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1757) 
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1760) 
    at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:402) 
    at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:131) 
    at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:288) 
    at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:121) 
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) 
    at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) 
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) 
    at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1550) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) 
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655) 
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161) 
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231) 
    at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317) 
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195) 
    at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:860) 
    at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:757) 
    at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1056) 
    at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:229) 
    at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) 
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) 
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) 
    at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) 
    at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) 
    at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) 
    at com.sun.grizzly.ContextTask.run(ContextTask.java:71) 
    at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) 
    at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) 
    at java.lang.Thread.run(Thread.java:662) 
Caused by: com.sun.faces.spi.InjectionProviderException: com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Remote ejb-ref name=com.draftsavvy.frontend.DraftSavvyController/draftBean,Remote 3.x interface =com.draftsavvy.frontend.DraftSavvyBean,ejb-link=null,lookup=,mappedName=,jndi-name=com.draftsavvy.frontend.DraftSavvyBean,refType=Session into class com.draftsavvy.frontend.DraftSavvyController: Lookup failed for 'java:comp/env/com.draftsavvy.frontend.DraftSavvyController/draftBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} 
    at org.glassfish.faces.integration.GlassFishInjectionProvider.inject(GlassFishInjectionProvider.java:194) 
    at com.sun.faces.mgbean.BeanBuilder.injectResources(BeanBuilder.java:205) 
    ... 56 more 
Caused by: com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Remote ejb-ref name=com.draftsavvy.frontend.DraftSavvyController/draftBean,Remote 3.x interface =com.draftsavvy.frontend.DraftSavvyBean,ejb-link=null,lookup=,mappedName=,jndi-name=com.draftsavvy.frontend.DraftSavvyBean,refType=Session into class com.draftsavvy.frontend.DraftSavvyController: Lookup failed for 'java:comp/env/com.draftsavvy.frontend.DraftSavvyController/draftBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} 
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:703) 
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.inject(InjectionManagerImpl.java:470) 
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.injectInstance(InjectionManagerImpl.java:171) 
    at org.glassfish.faces.integration.GlassFishInjectionProvider.inject(GlassFishInjectionProvider.java:184) 
    ... 57 more 
Caused by: javax.naming.NamingException: Lookup failed for 'java:comp/env/com.draftsavvy.frontend.DraftSavvyController/draftBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NamingException: Exception resolving Ejb for 'Remote ejb-ref name=com.draftsavvy.frontend.DraftSavvyController/draftBean,Remote 3.x interface =com.draftsavvy.frontend.DraftSavvyBean,ejb-link=null,lookup=,mappedName=,jndi-name=com.draftsavvy.frontend.DraftSavvyBean,refType=Session' . Actual (possibly internal) Remote JNDI name used for lookup is 'com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean' [Root exception is javax.naming.NamingException: Lookup failed for 'com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NameNotFoundException: com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean not found]]] 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:518) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455) 
    at javax.naming.InitialContext.lookup(InitialContext.java:392) 
    at javax.naming.InitialContext.lookup(InitialContext.java:392) 
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:599) 
    ... 60 more 
Caused by: javax.naming.NamingException: Exception resolving Ejb for 'Remote ejb-ref name=com.draftsavvy.frontend.DraftSavvyController/draftBean,Remote 3.x interface =com.draftsavvy.frontend.DraftSavvyBean,ejb-link=null,lookup=,mappedName=,jndi-name=com.draftsavvy.frontend.DraftSavvyBean,refType=Session' . Actual (possibly internal) Remote JNDI name used for lookup is 'com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean' [Root exception is javax.naming.NamingException: Lookup failed for 'com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NameNotFoundException: com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean not found]] 
    at com.sun.ejb.EjbNamingReferenceManagerImpl.resolveEjbReference(EjbNamingReferenceManagerImpl.java:191) 
    at com.sun.enterprise.container.common.impl.ComponentEnvManagerImpl$EjbReferenceProxy.create(ComponentEnvManagerImpl.java:1109) 
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:776) 
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:744) 
    at com.sun.enterprise.naming.impl.JavaURLContext.lookup(JavaURLContext.java:169) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:498) 
    ... 64 more 
Caused by: javax.naming.NamingException: Lookup failed for 'com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NameNotFoundException: com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean not found] 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:518) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455) 
    at javax.naming.InitialContext.lookup(InitialContext.java:392) 
    at javax.naming.InitialContext.lookup(InitialContext.java:392) 
    at com.sun.ejb.EjbNamingReferenceManagerImpl.resolveEjbReference(EjbNamingReferenceManagerImpl.java:186) 
    ... 69 more 
Caused by: javax.naming.NameNotFoundException: com.draftsavvy.frontend.DraftSavvyBean#com.draftsavvy.frontend.DraftSavvyBean not found 
    at com.sun.enterprise.naming.impl.TransientContext.doLookup(TransientContext.java:248) 
    at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:215) 
    at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:77) 
    at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.lookup(LocalSerialContextProviderImpl.java:119) 
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:505) 
    ... 73 more 

비 저장 콩

@Stateless 
public class DraftSavvyBean implements DraftSavvyBeanRemote { 

    // ====================================== 
    // =    Attributes    = 
    // ====================================== 

    @PersistenceContext(unitName = "DraftSavvyFrontEndPU") 
    private EntityManager em; 

    // ====================================== 
    // =   Public Methods   = 
    // ====================================== 
    public void registerUser(String username, String password, String userType) 
    { 
     //code here 
    } 

    public boolean checkForUser(String username, String password) 
    { 
     //code here 
    } 

    public void searchForBeers(String searchTerm, String apiKey) throws MalformedURLException, IOException, JSONException 
    { 
     //code here 
    } 

} 
+0

DraftSavvyBean의 모양은 어떻습니까? –

+0

@PetrMensik이 위에 추가되었습니다. – airowe

+0

왜 EJB가 원격입니까? 작동하는지 확인하려면 로컬로 만드십시오. (모든 것이 하나의 서버에서 실행 중이면 원격 빈을 사용할 필요가 없습니다.) –

답변

1

페트르 Mensik 말했듯이 전화 할 계획이 아니라면, 당신은 아마 (원격 EJB가 필요하지 않습니다 다른 서버에서 ejb의 메소드). @Local 인터페이스를 사용할 수도 있고 전혀 인터페이스하지 않을 수도 있습니다. 단지 @Stateless 빈을 선언하고 implements DraftSavvyBeanRemote을 제거하십시오.

인터페이스를 사용하는 경우 (로컬 또는 원격) 인터페이스가 아닌 인터페이스를 참조해야합니다. 그래서 주사는 이렇게 보일 것입니다.

@EJB 
private DraftSavvyBeanRemote draftBean; 
+0

Damian과 @Petr Mensik. 그건 완벽하게 이해가됩니다. 두 프로젝트 (백 엔드와 프론트 엔드)를 함께 묶는 것은 이번이 처음이며 원격 ejb를 통해 의사 소통을해야한다는 인상하에있었습니다. – airowe

+0

@airowe 당신은 환영합니다 – Damian