Glassfish error: NameNotFoundException so servlet cannot inject EJB

Glassfish error: NameNotFoundException so servlet cannot inject EJB

EJB ConverterBean 应该位于何处以及如何定位,以便 ConverterServlet 可以注入 EJB?不:

当然,我正在阅读有关此主题的 Java EE 7 教程。

来自浏览器的InjectionException

HTTP Status 500 - Internal Server Error

type Exception report

messageInternal Server Error

descriptionThe server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Error instantiating servlet class net.bounceme.dur.servlets.ConverterServlet

root cause

com.sun.enterprise.container.common.spi.util.InjectionException: Error creating managed object for class: class net.bounceme.dur.servlets.ConverterServlet

root cause

java.lang.IllegalStateException: Exception attempting to inject Remote ejb-ref name=net.bounceme.dur.servlets.ConverterServlet/converter,Remote 3.x interface =net.bounceme.dur.ejb.ConverterBean,ejb-link=null,lookup=,mappedName=,jndi-name=net.bounceme.dur.ejb.ConverterBean,refType=Session into class net.bounceme.dur.servlets.ConverterServlet: Lookup failed for 'java:comp/env/net.bounceme.dur.servlets.ConverterServlet/converter' 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 cause

com.sun.enterprise.container.common.spi.util.InjectionException: Exception attempting to inject Remote ejb-ref name=net.bounceme.dur.servlets.ConverterServlet/converter,Remote 3.x interface =net.bounceme.dur.ejb.ConverterBean,ejb-link=null,lookup=,mappedName=,jndi-name=net.bounceme.dur.ejb.ConverterBean,refType=Session into class net.bounceme.dur.servlets.ConverterServlet: Lookup failed for 'java:comp/env/net.bounceme.dur.servlets.ConverterServlet/converter' 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 cause

javax.naming.NamingException: Lookup failed for 'java:comp/env/net.bounceme.dur.servlets.ConverterServlet/converter' 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=net.bounceme.dur.servlets.ConverterServlet/converter,Remote 3.x interface =net.bounceme.dur.ejb.ConverterBean,ejb-link=null,lookup=,mappedName=,jndi-name=net.bounceme.dur.ejb.ConverterBean,refType=Session' .  Actual (possibly internal) Remote JNDI name used for lookup is 'net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean' [Root exception is javax.naming.NamingException: Lookup failed for 'net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean' 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: net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean not found]]]

root cause

javax.naming.NamingException: Exception resolving Ejb for 'Remote ejb-ref name=net.bounceme.dur.servlets.ConverterServlet/converter,Remote 3.x interface =net.bounceme.dur.ejb.ConverterBean,ejb-link=null,lookup=,mappedName=,jndi-name=net.bounceme.dur.ejb.ConverterBean,refType=Session' .  Actual (possibly internal) Remote JNDI name used for lookup is 'net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean' [Root exception is javax.naming.NamingException: Lookup failed for 'net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean' 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: net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean not found]]

root cause

javax.naming.NamingException: Lookup failed for 'net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean' 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: net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean not found]

root cause

javax.naming.NameNotFoundException: net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean not found

note The full stack traces of the exception and its root causes are available in the GlassFish Server Open Source Edition 4.1.1 logs.
GlassFish Server Open Source Edition 4.1.1 

从部署到 NameNotFoundException 的 Glassfish 日志 tail -f 摘录:

[2017-04-18T23:23:53.687-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.system.tools.deployment.common] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033687] [levelValue: 800] [[
  visiting unvisited references]]

[2017-04-18T23:23:53.709-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.system.tools.deployment.common] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033709] [levelValue: 800] [[
  visiting unvisited references]]

[2017-04-18T23:23:53.719-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.system.tools.deployment.common] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033719] [levelValue: 800] [[
  visiting unvisited references]]

[2017-04-18T23:23:53.725-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.system.tools.deployment.common] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033725] [levelValue: 800] [[
  visiting unvisited references]]

[2017-04-18T23:23:53.757-0700] [glassfish 4.1] [INFO] [AS-EJB-00054] [javax.enterprise.ejb.container] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033757] [levelValue: 800] [[
  Portable JNDI names for EJB ConverterBean: [java:global/ConverterWebAppicationArchiveWithEJB/ConverterBean, java:global/ConverterWebAppicationArchiveWithEJB/ConverterBean!net.bounceme.dur.ejb.ConverterBeanLocal]]]

[2017-04-18T23:23:53.787-0700] [glassfish 4.1] [WARN] [] [org.jboss.weld.Event] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033787] [levelValue: 900] [[
  WELD-000411: Observer method [BackedAnnotatedMethod] public org.glassfish.jms.injection.JMSCDIExtension.processAnnotatedType(@Observes ProcessAnnotatedType<Object>) receives events for all annotated types. Consider restricting events using @WithAnnotations or a generic type with bounds.]]

[2017-04-18T23:23:53.795-0700] [glassfish 4.1] [WARN] [] [org.jboss.weld.Event] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033795] [levelValue: 900] [[
  WELD-000411: Observer method [BackedAnnotatedMethod] private org.glassfish.jersey.ext.cdi1x.internal.CdiComponentProvider.processAnnotatedType(@Observes ProcessAnnotatedType<Object>) receives events for all annotated types. Consider restricting events using @WithAnnotations or a generic type with bounds.]]

[2017-04-18T23:23:53.799-0700] [glassfish 4.1] [WARN] [] [org.jboss.weld.Event] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033799] [levelValue: 900] [[
  WELD-000411: Observer method [BackedAnnotatedMethod] org.glassfish.sse.impl.ServerSentEventCdiExtension.processAnnotatedType(@Observes ProcessAnnotatedType<Object>, BeanManager) receives events for all annotated types. Consider restricting events using @WithAnnotations or a generic type with bounds.]]

[2017-04-18T23:23:53.966-0700] [glassfish 4.1] [INFO] [AS-WEB-GLUE-00172] [javax.enterprise.web] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033966] [levelValue: 800] [[
  Loading application [ConverterWebAppicationArchiveWithEJB] at [/ConverterWebAppicationArchiveWithEJB]]]

[2017-04-18T23:23:53.976-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.system.core] [tid: _ThreadID=154 _ThreadName=admin-listener(8)] [timeMillis: 1492583033976] [levelValue: 800] [[
  ConverterWebAppicationArchiveWithEJB was successfully deployed in 294 milliseconds.]]

[2017-04-18T23:23:54.263-0700] [glassfish 4.1] [INFO] [] [javax.enterprise.web] [tid: _ThreadID=95 _ThreadName=http-listener-1(3)] [timeMillis: 1492583034263] [levelValue: 800] [[
  WebModule[null] ServletContext.log():Marking servlet net.bounceme.dur.servlets.ConverterServlet as unavailable]]

[2017-04-18T23:23:54.272-0700] [glassfish 4.1] [WARNING] [] [javax.enterprise.web] [tid: _ThreadID=95 _ThreadName=http-listener-1(3)] [timeMillis: 1492583034272] [levelValue: 900] [[
  StandardWrapperValve[net.bounceme.dur.servlets.ConverterServlet]: Allocate exception for servlet net.bounceme.dur.servlets.ConverterServlet
javax.naming.NameNotFoundException: net.bounceme.dur.ejb.ConverterBean#net.bounceme.dur.ejb.ConverterBean not found
    at com.sun.enterprise.naming.impl.TransientContext.doLookup(TransientContext.java:237)
    at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:204)
    at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:66)
    at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.lookup(LocalSerialContextProviderImpl.java:114)
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:478)
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:438)
    at javax.naming.InitialContext.lookup(InitialContext.java:417)
    at javax.naming.InitialContext.lookup(InitialContext.java:417)
    at com.sun.ejb.EjbNamingReferenceManagerImpl.resolveEjbReference(EjbNamingReferenceManagerImpl.java:183)
    at com.sun.enterprise.container.common.impl.ComponentEnvManagerImpl$EjbReferenceProxy.create(ComponentEnvManagerImpl.java:1015)
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:745)
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:715)
    at com.sun.enterprise.naming.impl.JavaURLContext.lookup(JavaURLContext.java:159)
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:471)
    at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:438)
    at javax.naming.InitialContext.lookup(InitialContext.java:417)
    at javax.naming.InitialContext.lookup(InitialContext.java:417)
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl._inject(InjectionManagerImpl.java:636)
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.inject(InjectionManagerImpl.java:507)
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.injectInstance(InjectionManagerImpl.java:170)
    at org.glassfish.weld.services.InjectionServicesImpl.aroundInject(InjectionServicesImpl.java:165)
    at org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:46)
    at org.jboss.weld.injection.producer.ResourceInjector.inject(ResourceInjector.java:72)
    at org.jboss.weld.injection.producer.BasicInjectionTarget.inject(BasicInjectionTarget.java:121)
    at org.glassfish.weld.services.JCDIServiceImpl.createManagedObject(JCDIServiceImpl.java:336)
    at org.glassfish.weld.services.JCDIServiceImpl.createManagedObject(JCDIServiceImpl.java:263)
    at com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:485)
    at com.sun.enterprise.container.common.impl.managedbean.ManagedBeanManagerImpl.createManagedBean(ManagedBeanManagerImpl.java:439)
    at com.sun.enterprise.container.common.impl.util.InjectionManagerImpl.createManagedObject(InjectionManagerImpl.java:336)
    at com.sun.enterprise.web.WebContainer.createServletInstance(WebContainer.java:991)
    at com.sun.enterprise.web.WebModule.createServletInstance(WebModule.java:2130)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1404)
    at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:1211)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:237)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
    at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:416)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:283)
    at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:459)
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:167)
    at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:206)
    at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:180)
    at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:235)
    at org.glassfish.grizzly.filterchain.ExecutorResolver.execute(ExecutorResolver.java:119)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:283)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:132)
    at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:111)
    at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
    at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:536)
    at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:117)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access0(WorkerThreadIOStrategy.java:56)
    at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:137)
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:591)
    at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:571)
    at java.lang.Thread.run(Thread.java:745)
]]

servlet 试图注入 ConverterBean:

package net.bounceme.dur.servlets;

import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigDecimal;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import net.bounceme.dur.ejb.ConverterBean;

@WebServlet("/converter")
public class ConverterServlet extends HttpServlet {

    @EJB
    ConverterBean converter;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        response.setContentType("text/html;charset=UTF-8");
        // converter = new ConverterBean();
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ConverterServlet</title>");
            out.println("</head>");
            out.println("<body>");

            out.println("what is the amount?");
            out.println("<h1>Servlet ConverterServlet at " + request.getContextPath() + "</h1>");

            String stringAmount = "999";
            out.println("amount is " + stringAmount);
            out.println("<p>");
            BigDecimal dollars = new BigDecimal(stringAmount);
            out.println("dollars:\t" + dollars + "\t" + dollars.getClass());
            out.println("<p>");

            //   BigDecimal yen = converter.dollarToYen(dollars);
            //   BigDecimal euros = converter.yenToEuro(yen);
            out.println("never executed..");
            out.println("yen");
            //    out.println(yen);
            out.println("<p>");
            out.println("euros");
            //    out.println(euros);
            out.println("<p>");

            out.println("</body>");
            out.println("</html>");

        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}

项目的tree结构:

.
├── build.xml
├── nbproject
│   ├── ant-deploy.xml
│   ├── build-impl.xml
│   ├── genfiles.properties
│   ├── private
│   │   └── private.properties
│   ├── project.properties
│   └── project.xml
├── src
│   ├── conf
│   │   └── MANIFEST.MF
│   └── java
│       └── net
│           └── bounceme
│               └── dur
│                   ├── ejb
│                   │   ├── ConverterBean.java
│                   │   ├── ConverterBeanLocal.java
│                   │   └── PropertiesReader.java
│                   └── servlets
│                       └── ConverterServlet.java
├── test
└── web
    ├── index.html
    └── WEB-INF
        └── web.xml

13 directories, 14 files

我也试过把 servletConverterBean 放在同一个包里。

您似乎为 ConverterBean 定义了一个名为 ConverterBeanLocal 的本地接口。

因此您需要在注入点使用它:

@WebServlet("/converter")
public class ConverterServlet extends HttpServlet {

    @EJB
    ConverterBeanLocal converter;

或者,您可以完全摆脱 ConverterBeanLocal 接口并使您的代码更简单。