Question

我很困惑为什么在将我的耳朵部署到独立的jboss AS 6 localhost时出现以下错误：

“java.lang.RuntimeException：指定的引用（ForecastUtilityLocal'）由多个EJB匹配” - 请参阅下面的详细信息......

部署错误：由于以下原因，部署“vfs：/// C：/jboss/jboss-6.0.0.Final/server/default/deploy/ear-1.0.0.ear”出错：java.lang。 RuntimeException：指定的引用[EJB Reference：beanI erface'com.ls.forecast.ejb.util.ForecastUtilityLocal'，beanName'null'，mappedName'null'，lookupName'null'，拥有单位'ComponentDeploymentContext@23001552{org.jboss.metadata.ejb.jboss.JBossEnte riseBeanMetaData.ExpectedReturnEngineServiceImpl}']由多个EJB匹配：[org.jboss.metadata.ejb.jboss.JBossSessionBean31MetaData@63db1386{ForecastCacheManager}，org.jboss.metadata.ejb。 oss.JBossSessionBean31MetaData@ee01f6d1{ForecastUtility}]。指定beanName explciitly或确保beanInterface是唯一的。

    at org.jboss.deployers.plugins.deployers.DeployersImpl.checkComplete(DeployersImpl.java:1228) [:2.2.0.GA]
    at org.jboss.deployers.plugins.main.MainDeployerImpl.checkComplete(MainDeployerImpl.java:905) [:2.2.0.GA]
    at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.checkComplete(MainDeployerPlugin.java:87) [:6.0.0.Final]
    at org.jboss.profileservice.deployment.ProfileDeployerPluginRegistry.checkAllComplete(ProfileDeployerPluginRegistry.java:107) [:0.2.2]
    at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:135) [:6.0.0.Final]
    at org.jboss.system.server.profileservice.bootstrap.BasicProfileServiceBootstrap.start(BasicProfileServiceBootstrap.java:56) [:6.0.0.Final]
    at org.jboss.bootstrap.impl.base.server.AbstractServer.startBootstraps(AbstractServer.java:827) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-5]
    at org.jboss.bootstrap.impl.base.server.AbstractServer$StartServerTask.run(AbstractServer.java:417) [jboss-bootstrap-impl-base.jar:2.1.0-alpha-5]
    at java.lang.Thread.run(Thread.java:619) [:1.6.0_20]

这个EJB用@Singleton注释，那么如何有多个实例呢？

@Singleton
@Local(ForecastUtilityLocal.class)
public class ForecastUtility implements ForecastUtilityLocal {

private static final Logger logger = LoggerFactory
        .getLogger(ForecastUtility.class);

@EJB
private CacheHelperLocal cacheHelper;
....
}

例如，它在不同的EJB中引用，例如：

@Singleton
@Startup
@Local(CacheHelperLocal.class)
public class CacheHelper implements CacheHelperLocal {

@EJB
private ForecastModelUtilityLocal forecastModelUtility;

@EJB
private ConnectionManagerLocal connectionManager;

@EJB
private ForecastCacheManagerLocal forecastCacheManager;

@EJB
private ForecastUtilityLocal forecastUtility;
...
}

Answer 1

检查您是否意外地将@Local(ForecastUtilityLocal.class)放在另一个EJB上。

指定的引用由多个EJB - EJB 3.1匹配

1 个答案: