java - 一个 EBJ 项目包含另一个 EJB 项目，然后 javax.naming.NameAlreadyBoundException

Question

我已经在我的服务器(Redhat 上的 glassfish 3.0)上部署了一个 EJB 项目(名为 A，有一个 ejb 和一个 war 模块)。然后我的另一个EJB项目(名为B)需要使用A的xxx-ejb模块的功能，所以我包含了A的ejb模块。当我在服务器上部署B时，出现了异常:

Exception while invoking class org.glassfish.ejb.startup.EjbDeployer load method
java.lang.RuntimeException: EJB Container initialization error
    at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:219)
    at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:197)
    at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:63)
    at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:175)
    at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:216)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:338)
    at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:183)
    at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:272)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:305)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:320)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1176)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$900(CommandRunnerImpl.java:83)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1235)
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1224)
    at org.glassfish.admingui.common.util.LocalDeploymentFacility$LocalDFCommandRunner.run(LocalDeploymentFacility.java:138)
    at org.glassfish.deployment.client.AbstractDeploymentFacility.deploy(AbstractDeploymentFacility.java:350)
    at org.glassfish.admingui.common.util.DeployUtil.invokeDeploymentFacility(DeployUtil.java:89)
    at org.glassfish.admingui.common.util.DeployUtil.deploy(DeployUtil.java:66)
    at org.glassfish.admingui.common.handlers.DeploymentHandler.deploy(DeploymentHandler.java:186)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:616)
    at com.sun.jsftemplating.layout.descriptors.handler.Handler.invoke(Handler.java:442)
    at com.sun.jsftemplating.layout.descriptors.LayoutElementBase.dispatchHandlers(LayoutElementBase.java:420)
    at com.sun.jsftemplating.layout.descriptors.LayoutElementBase.dispatchHandlers(LayoutElementBase.java:394)
    at com.sun.jsftemplating.layout.event.CommandActionListener.invokeCommandHandlers(CommandActionListener.java:150)
    at com.sun.jsftemplating.layout.event.CommandActionListener.processAction(CommandActionListener.java:98)
    at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
    at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:772)
    at javax.faces.component.UICommand.broadcast(UICommand.java:300)
    at com.sun.webui.jsf.component.WebuiCommand.broadcast(WebuiCommand.java:166)
    at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:775)
    at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1267)
    at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
    at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
    at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
    at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
    at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
    at com.sun.webui.jsf.util.UploadFilter.doFilter(UploadFilter.java:223)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
    at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
    at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
    at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226)
    at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:239)
    at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791)
    at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693)
    at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954)
    at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170)
    at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102)
    at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88)
    at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76)
    at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53)
    at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57)
    at com.sun.grizzly.ContextTask.run(ContextTask.java:69)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330)
    at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309)
    at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.RuntimeException: Error while binding JNDI name maintree.util.GetHourlyTrendRemote for EJB : GetHourlyTrend
    at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1530)
    at com.sun.ejb.containers.StatelessSessionContainer.initializeHome(StatelessSessionContainer.java:197)
    at com.sun.ejb.containers.ContainerFactoryImpl.createContainer(ContainerFactoryImpl.java:161)
    at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:207)
    ... 66 more
Caused by: javax.naming.NameAlreadyBoundException: Use rebind to override
    at com.sun.enterprise.naming.impl.TransientContext.doBindOrRebind(TransientContext.java:275)
    at com.sun.enterprise.naming.impl.TransientContext.bind(TransientContext.java:214)
    at com.sun.enterprise.naming.impl.SerialContextProviderImpl.bind(SerialContextProviderImpl.java:79)
    at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.bind(LocalSerialContextProviderImpl.java:81)
    at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:586)
    at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:602)
    at javax.naming.InitialContext.bind(InitialContext.java:421)
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:206)
    at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:187)
    at com.sun.ejb.containers.BaseContainer$JndiInfo.publish(BaseContainer.java:5533)
    at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1515)
    ... 69 more

因此问题应该是:如何在同一个 glassfish 服务器上部署相同的 EJB 模块两次。或者如何让 B 使用 A 的 ejb 模块而不显式包含它？

非常感谢， 彼得

Answer 1

您不应该将项目 A 的 EJB 包含到项目 B。您应该只包含项目 A 的远程类。