1. 首頁
  2. 問答
  3. 從EJB3訪問ServiceBean

從EJB3訪問ServiceBean

2011-09-20 79 views
2

我實現了這個tutorial，但我不能從EJB3訪問服務。從EJB3訪問ServiceBean

我的EJB是這樣的：

@Stateless 
public class Authentication implements AuthenticationRemote { 

    private ServiceTwoManagement man; 

    ...  

}

@EJB會拋出：java.lang.RuntimeException: Could not resolve @EJB reference:

任何建議

來源

2011-09-20 Peter Rader

+2

給我們完整的堆棧跟蹤和你的接口的'AuthenticationRemote'以及顯示所有的註釋和導入。還顯示你在哪裏打電話給它，以及如何。此外，還顯示類減速和界面（如果適用）以及所有正在調用此類的註釋。您擁有的鏈接是一個小類。 –

+0

對不起@JavaKaBaby，同時我發現了一個解決方案，不喜歡重現舊狀態。所以生病回答我自己的問題。 –

回答

0

你們沒有機會發佈一個具體的答案（許多信息是隱藏的），我目前發現一個乾淨的解決方案或錯誤的解決方法。第二種情況：我很高興看到像我找到的任何更好的解決方案。

我的解決方案是創建一個服務bean（3rd bean）hold的所有TransportObjects。

@Service定義了一個Singleton，所以我使用Singleton-Pattern接近GoF-Pattern。

最後我的解決辦法是這樣的：

package org.gegenakw.ejb.user; 

import java.security.NoSuchAlgorithmException; 
import java.util.List; 
import java.util.logging.Logger; 

import javassist.NotFoundException; 

import javax.ejb.EJB; 
import javax.ejb.Stateless; 
import javax.persistence.PersistenceContext; 

import org.antiakw.exceptions.authentication.AccountAlreadyExistsException; 
import org.antiakw.exceptions.authentication.IllegalLoginException; 
import org.antiakw.exceptions.authentication.NotYetActivatedException; 
import org.gegenakw.Utils; 
import org.gegenakw.ejb.extern.RegistrationEmailsTransportObjectHolder; 
import org.gegenakw.ejb.interfaces.RegistrationTransferObject; 
import org.hibernate.Criteria; 
import org.hibernate.HibernateException; 
import org.hibernate.Session; 
import org.hibernate.Transaction; 
import org.hibernate.criterion.Restrictions; 
import org.hibernate.validator.InvalidStateException; 
import org.jboss.ejb3.annotation.Depends; 

import de.antiakw.jpa.beans.Benutzer; 

/** 
* Session Bean implementation class Authentication 
*/ 
@Stateless 
public class Authentication implements AuthenticationRemote { 

    public static Logger log = Logger.getLogger("Authentication"); 

    @PersistenceContext(unitName = "gegenakwjpa") 
    Session hibernateSession; 

    // @EJB 
    private List<RegistrationTransferObject> registration = RegistrationEmailsTransportObjectHolder.getInstance(); 

    @Override 
    public void createAccountCheckDuplicates(String email, String pass) 
     throws InvalidStateException, AccountAlreadyExistsException { 
    ... 
    } 

    ... 
}

我RETOH看起來是這樣的：

package org.gegenakw.ejb.extern; 

import java.util.ArrayList; 
import java.util.List; 

import javax.annotation.PostConstruct; 

import org.gegenakw.ejb.interfaces.RegistrationTransferObject; 
import org.jboss.ejb3.annotation.Management; 
import org.jboss.ejb3.annotation.Service; 

@Service(objectName = "gegen-akw:service=RETOH") 
@Management(List.class) 
public class RegistrationEmailsTransportObjectHolder extends ArrayList<RegistrationTransferObject> { 

    private static RegistrationEmailsTransportObjectHolder me; 

    public static RegistrationEmailsTransportObjectHolder getInstance() { 
    return me; 
    } 

    @PostConstruct 
    public void create() throws Exception { 
    me = this; 

    } 

}

而我的工作是這樣的：

package de.antiakw.service.email; 

import java.io.DataInputStream; 
import java.io.FileInputStream; 
import java.io.FileNotFoundException; 
import java.io.IOException; 
import java.io.UnsupportedEncodingException; 
import java.security.KeyStore; 
import java.security.KeyStoreException; 
import java.security.NoSuchAlgorithmException; 
import java.security.NoSuchProviderException; 
import java.security.PrivateKey; 
import java.security.Provider; 
import java.security.Security; 
import java.security.cert.X509Certificate; 
import java.util.List; 
import java.util.logging.Logger; 

import javax.annotation.Resource; 
import javax.ejb.ActivationConfigProperty; 
import javax.ejb.MessageDriven; 
import javax.mail.Message.RecipientType; 
import javax.mail.MessagingException; 
import javax.mail.Transport; 
import javax.mail.internet.InternetAddress; 
import javax.mail.internet.MimeBodyPart; 
import javax.mail.internet.MimeMessage; 
import javax.mail.internet.MimeMultipart; 

import org.bouncycastle.jce.provider.BouncyCastleProvider; 
import org.bouncycastle.mail.smime.SMIMEException; 
import org.bouncycastle.mail.smime.SMIMESignedGenerator; 
import org.gegenakw.ejb.interfaces.RegistrationTransferObject; 
import org.jboss.ejb3.annotation.Depends; 
import org.jboss.ejb3.annotation.ResourceAdapter; 
import org.quartz.Job; 
import org.quartz.JobExecutionContext; 
import org.quartz.JobExecutionException; 

@ResourceAdapter("quartz-ra.rar") 
@MessageDriven(activationConfig = { @ActivationConfigProperty(propertyName = "cronTrigger", propertyValue = "0 * * * * ?") } 

) 
public class RegistrationEmails implements Job { 

    public static final Logger log = Logger.getLogger("RegistrationEmails"); 

    private static java.security.cert.Certificate certificate; 

    @Depends("gegen-akw:service=RETOH") 
    private List<RegistrationTransferObject> registrationMailHolder; 

    @Resource(mappedName = "java:Gegen-AKW-Mailsystem") 
    javax.mail.Session mailSession; 

    @Override 
    public void execute(JobExecutionContext arg0) throws JobExecutionException { 
    synchronized (registrationMailHolder) {

@JavaKaBaby：到folow中您的需求，我張貼我的stctrace使用@EJB單身模式instad（我希望問題是comprehesible withal我worka圓）：

09:51:21,577 ERROR [AbstractKernelController] Error installing to Real: name=vfs:///C:/jboss-6.1.0.Final/server/default/deploy/gegen-akw.ear state=PreReal mode=Manual requiredState=Real: org.jboss.dep 
loyers.spi.DeploymentException: Error during deploy: org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.Authentication 
     at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:185) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1832) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1550) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1571) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1603) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1491) [:2.2.2.GA] 
     at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.change(DeployersImpl.java:1983) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:1076) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:679) [:2.2.2.GA] 
     at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.process(MainDeployerPlugin.java:106) [:6.1.0.Final] 
     at org.jboss.profileservice.dependency.ProfileControllerContext$DelegateDeployer.process(ProfileControllerContext.java:143) [:0.2.2] 
     at org.jboss.profileservice.dependency.ProfileDeployAction.deploy(ProfileDeployAction.java:151) [:0.2.2] 
     at org.jboss.profileservice.dependency.ProfileDeployAction.installActionInternal(ProfileDeployAction.java:94) [:0.2.2] 
     at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:54) [jboss-kernel.jar:2.2.0.SP2] 
     at org.jboss.kernel.plugins.dependency.InstallsAwareAction.installAction(InstallsAwareAction.java:42) [jboss-kernel.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.action.SimpleControllerContextAction.simpleInstallAction(SimpleControllerContextAction.java:62) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.action.AccessControllerContextAction.install(AccessControllerContextAction.java:71) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractControllerContextActions.install(AbstractControllerContextActions.java:51) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.SP2] 
     at org.jboss.profileservice.dependency.ProfileActivationWrapper$BasicProfileActivation.start(ProfileActivationWrapper.java:190) [:0.2.2] 
     at org.jboss.profileservice.dependency.ProfileActivationWrapper.start(ProfileActivationWrapper.java:87) [:0.2.2] 
     at org.jboss.profileservice.dependency.ProfileActivationService.activateProfile(ProfileActivationService.java:215) [:0.2.2] 
     at org.jboss.profileservice.dependency.ProfileActivationService.activate(ProfileActivationService.java:159) [:0.2.2] 
     at org.jboss.profileservice.bootstrap.AbstractProfileServiceBootstrap.activate(AbstractProfileServiceBootstrap.java:112) [:0.2.2] 
     at org.jboss.profileservice.resolver.BasicResolverFactory$ProfileResolverFacade.deploy(BasicResolverFactory.java:87) [:0.2.2] 
     at org.jboss.profileservice.bootstrap.AbstractProfileServiceBootstrap.start(AbstractProfileServiceBootstrap.java:91) [:0.2.2] 
     at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:132) [:6.1.0.Final] 
     at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:56) [:6.1.0.Final] 
     at org.jboss.bootstrap.impl.base.server.AbstractServer.startBootstraps(AbstractServer.java:827) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-6] 
     at org.jboss.bootstrap.impl.base.server.AbstractServer$StartServerTask.run(AbstractServer.java:417) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-6] 
     at java.lang.Thread.run(Thread.java:662) [:1.6.0_25] 
Caused by: java.lang.RuntimeException: Could not resolve @EJB reference: [EJB Reference: beanInterface 'java.util.List', beanName 'null', mappedName 'null', lookupName 'null', owning unit 'ComponentDe 
[email protected]{org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.Authentication}'] for environment entry: env/org.gegenakw.ejb.user.Authentication/registration in unit ComponentDeplo 
[email protected]{org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.Authentication} 
     at org.jboss.ejb3.jndi.deployers.resource.provider.AnnotatedEJBRefResourceProvider.provide(AnnotatedEJBRefResourceProvider.java:99) [:0.1.7] 
     at org.jboss.ejb3.jndi.deployers.resource.provider.AnnotatedEJBRefResourceProvider.provide(AnnotatedEJBRefResourceProvider.java:50) [:0.1.7] 
     at org.jboss.switchboard.mc.JndiEnvironmentProcessor.process(JndiEnvironmentProcessor.java:68) [:1.0.0-alpha-15] 
     at org.jboss.switchboard.mc.deployer.AbstractSwitchBoardDeployer.process(AbstractSwitchBoardDeployer.java:119) [:1.0.0-alpha-15] 
     at org.jboss.switchboard.mc.deployer.EJBEnvironmentSwitchBoardDeployer.internalDeploy(EJBEnvironmentSwitchBoardDeployer.java:87) [:1.0.0-alpha-15] 
     at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:55) [:2.2.2.GA] 
     at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:179) [:2.2.2.GA] 
     ... 45 more

來源

2011-09-21 08:25:16

相關問題

 相關問題