For example the following error does not specify which bean is causing this problem:

2009-04-27 09:58:40,394 DEBUG [org.jboss.ejb3.deployers.Ejb3Deployer] (main) Error during deploy: vfszip:/E:/ifs_home_WS/jboss-5.1.0.CR1/server/dev/deploy/ifsapp.ear/connectadministration-ejb.jar/
org.jboss.deployers.spi.DeploymentException: Error deploying connectadministration-ejb.jar: null
at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:196)
at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:99)
at org.jboss.deployers.vfs.spi.deployer.AbstractVFSRealDeployer.internalDeploy(AbstractVFSRealDeployer.java:45)
at org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer.deploy(AbstractRealDeployer.java:50)
at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:171)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1439)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1157)
at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1210)
at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1098)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:781)
at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:698)
at org.jboss.system.server.profileservice.repository.MainDeployerAdapter.process(MainDeployerAdapter.java:117)
at org.jboss.system.server.profileservice.repository.ProfileDeployAction.install(ProfileDeployAction.java:70)
at org.jboss.system.server.profileservice.repository.AbstractProfileAction.install(AbstractProfileAction.java:53)
at org.jboss.system.server.profileservice.repository.AbstractProfileService.install(AbstractProfileService.java:361)
at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:348)
at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:1631)
at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:934)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1082)
at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:984)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:822)
at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:553)
at org.jboss.system.server.profileservice.repository.AbstractProfileService.activateProfile(AbstractProfileService.java:306)
at org.jboss.system.server.profileservice.ProfileServiceBootstrap.start(ProfileServiceBootstrap.java:263)
at org.jboss.bootstrap.AbstractServerImpl.start(AbstractServerImpl.java:461)
at org.jboss.Main.boot(Main.java:216)
at org.jboss.Main$1.run(Main.java:546)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
at org.jboss.ejb3.session.ProxyDeployer.hasJNDIBinding(ProxyDeployer.java:98)
at org.jboss.ejb3.session.SessionContainer.hasJNDIBinding(SessionContainer.java:696)
at org.jboss.injection.AbstractHandler.addJNDIDependency(AbstractHandler.java:77)
at org.jboss.injection.EJBRemoteHandler.ejbRefDependency(EJBRemoteHandler.java:134)
at org.jboss.injection.EJBRemoteHandler.handleFieldAnnotations(EJBRemoteHandler.java:393)
at org.jboss.injection.InjectionUtil.processFieldAnnotations(InjectionUtil.java:160)
at org.jboss.injection.InjectionUtil.processAnnotations(InjectionUtil.java:197)
at org.jboss.ejb3.EJBContainer.processMetadata(EJBContainer.java:590)
at org.jboss.ejb3.Ejb3Deployment.processEJBContainerMetadata(Ejb3Deployment.java:418)
at org.jboss.ejb3.Ejb3Deployment.start(Ejb3Deployment.java:526)
at org.jboss.ejb3.deployers.Ejb3Deployer.deploy(Ejb3Deployer.java:189)
... 34 more