[jboss-jira] [JBoss JIRA] Created: (JBMETA-329) Using ejb-jar.xml for @Singleton bean

Benoit Heinrich (JIRA) jira-events at lists.jboss.org
Mon Feb 14 06:59:13 EST 2011 

Using ejb-jar.xml for @Singleton bean
-------------------------------------

                 Key: JBMETA-329
                 URL: https://issues.jboss.org/browse/JBMETA-329
             Project: JBoss Metadata
          Issue Type: Bug
      Security Level: Public (Everyone can see)
         Environment: JBoss AS 6.0.0.Final
            Reporter: Benoit Heinrich


Hi all,

After talking on the forum about a problem with @Singleton and the use of ejb-jar.xml I've been instructed to open a bug report.

An example project is available on the jboss forum post, and can be used to reproduce the problem here.

Here is the stacktrace thrown by jboss when deploying the attached sample project:
{code}
12:48:35,699 ERROR [org.jboss.kernel.plugins.dependency.AbstractKernelController] Error installing to Real: name=vfs:///opt/src/jboss-6.0.0.Final/server/default/deploy/02-startup.ear state=PreReal mode=Manual requiredState=Real: org.jboss.deployers.spi.DeploymentException: Error during deploy: org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.StartupBean
	at org.jboss.deployers.spi.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:49) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:185) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doDeploy(DeployersImpl.java:1832) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1550) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1571) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.doInstallParentFirst(DeployersImpl.java:1603) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.install(DeployersImpl.java:1491) [:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractControllerContext.install(AbstractControllerContext.java:379) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:2044) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.incrementState(AbstractController.java:1083) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.executeOrIncrementStateDirectly(AbstractController.java:1322) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1246) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.resolveContexts(AbstractController.java:1139) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:939) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.dependency.plugins.AbstractController.change(AbstractController.java:654) [jboss-dependency.jar:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.change(DeployersImpl.java:1983) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployersImpl.process(DeployersImpl.java:1076) [:2.2.0.GA]
	at org.jboss.deployers.plugins.main.MainDeployerImpl.process(MainDeployerImpl.java:679) [:2.2.0.GA]
	at org.jboss.system.server.profileservice.deployers.MainDeployerPlugin.process(MainDeployerPlugin.java:106) [:6.0.0.Final]
	at org.jboss.profileservice.dependency.ProfileControllerContext$DelegateDeployer.process(ProfileControllerContext.java:143) [:0.2.2]
	at org.jboss.profileservice.deployment.hotdeploy.HDScanner$HDScanAction.deploy(HDScanner.java:240) [:0.2.2]
	at org.jboss.profileservice.deployment.hotdeploy.HDScanner$HDScanAction.complete(HDScanner.java:192) [:0.2.2]
	at org.jboss.profileservice.management.TwoPCActionWrapper.doComplete(TwoPCActionWrapper.java:57) [:0.2.2]
	at org.jboss.profileservice.management.actions.AbstractTwoPhaseModificationAction.complete(AbstractTwoPhaseModificationAction.java:74) [:0.2.2]
	at org.jboss.profileservice.management.actions.AbstractTwoPhaseModificationAction.prepare(AbstractTwoPhaseModificationAction.java:95) [:0.2.2]
	at org.jboss.profileservice.management.ModificationSession.prepare(ModificationSession.java:87) [:0.2.2]
	at org.jboss.profileservice.management.AbstractActionController.internalPerfom(AbstractActionController.java:234) [:0.2.2]
	at org.jboss.profileservice.management.AbstractActionController.performWrite(AbstractActionController.java:213) [:0.2.2]
	at org.jboss.profileservice.management.AbstractActionController.perform(AbstractActionController.java:150) [:0.2.2]
	at org.jboss.profileservice.management.AbstractActionController.perform(AbstractActionController.java:135) [:0.2.2]
	at org.jboss.profileservice.deployment.hotdeploy.HDScanner.scan(HDScanner.java:146) [:0.2.2]
	at org.jboss.profileservice.deployment.hotdeploy.HDScanner.run(HDScanner.java:90) [:0.2.2]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) [:1.6.0_22]
	at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:317) [:1.6.0_22]
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:150) [:1.6.0_22]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$101(ScheduledThreadPoolExecutor.java:98) [:1.6.0_22]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.runPeriodic(ScheduledThreadPoolExecutor.java:180) [:1.6.0_22]
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:204) [:1.6.0_22]
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) [:1.6.0_22]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) [:1.6.0_22]
	at java.lang.Thread.run(Thread.java:680) [:1.6.0_22]
Caused by: java.lang.RuntimeException: Could not resolve @EJB reference: [EJB Reference: beanInterface 'com.example.services.version.VersionManager', beanName 'null', mappedName 'null', lookupName 'null', owning unit 'ComponentDeploymentContext at 10824652{org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.StartupBean}'] for environment entry: env/ejb/VersionManager in unit ComponentDeploymentContext at 10824652{org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData.StartupBean}
	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) [:2.2.0.GA]
	at org.jboss.deployers.plugins.deployers.DeployerWrapper.deploy(DeployerWrapper.java:179) [:2.2.0.GA]
	... 39 more
{code}

I hope it won't be too hard to fix it.

Cheers,
/Benoit

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