weblogic.application.ModuleException: Exception preparing module: EJBModule(sample-ejb.jar) [EJB:011023]An error occurred while reading the deployment descriptor. The error was: No EJBs found in the ejb-jar file 'sample-ejb.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation..

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    weblogic.application.ModuleException: Exception preparing module: EJBModule(sample-ejb.jar) [EJB:011023]An error occurred while reading the deployment descriptor. The error was: No EJBs found in the ejb-jar file 'sample-ejb.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation..
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    Root Cause Analysis

    1. weblogic.application.ModuleException

      Exception preparing module: EJBModule(sample-ejb.jar) [EJB:011023]An error occurred while reading the deployment descriptor. The error was: No EJBs found in the ejb-jar file 'sample-ejb.jar'. Please ensure the ejb-jar contains EJB declarations via an ejb-jar.xml deployment descriptor or at least one class annotated with the @Stateless, @Stateful or @MessageDriven EJB annotation..

      at weblogic.ejb.container.deployer.EJBModule.prepare()
    2. weblogic.ejb.container
      EJBModule.prepare
      1. weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:399)
      1 frame
    3. weblogic.application.internal
      DeploymentCallbackFlow$1.next
      1. weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93)
      2. weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:360)
      2 frames
    4. weblogic.application.utils
      StateMachineDriver.nextState
      1. weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
      1 frame
    5. weblogic.application.internal
      BaseDeployment$1.next
      1. weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:56)
      2. weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:46)
      3. weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:615)
      3 frames
    6. weblogic.application.utils
      StateMachineDriver.nextState
      1. weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:26)
      1 frame
    7. weblogic.application.internal
      DeploymentStateChecker.prepare
      1. weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:191)
      2. weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:147)
      2 frames
    8. weblogic.deploy.internal
      AppDeployment.prepare
      1. weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:61)
      2. weblogic.deploy.internal.targetserver.AppDeployment.prepare(AppDeployment.java:137)
      2 frames
    9. weblogic.management.deploy
      DeploymentServerService.start
      1. weblogic.management.deploy.internal.DeploymentAdapter$1.doPrepare(DeploymentAdapter.java:39)
      2. weblogic.management.deploy.internal.DeploymentAdapter.prepare(DeploymentAdapter.java:187)
      3. weblogic.management.deploy.internal.AppTransition$1.transitionApp(AppTransition.java:21)
      4. weblogic.management.deploy.internal.ConfiguredDeployments.transitionApps(ConfiguredDeployments.java:233)
      5. weblogic.management.deploy.internal.ConfiguredDeployments.prepare(ConfiguredDeployments.java:165)
      6. weblogic.management.deploy.internal.ConfiguredDeployments.deploy(ConfiguredDeployments.java:122)
      7. weblogic.management.deploy.internal.DeploymentServerService.resume(DeploymentServerService.java:173)
      8. weblogic.management.deploy.internal.DeploymentServerService.start(DeploymentServerService.java:89)
      8 frames
    10. weblogic.t3.srvr
      SubsystemRequest.run
      1. weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)
      1 frame
    11. weblogic.work
      ExecuteThread.run
      1. weblogic.work.ExecuteThread.execute(ExecuteThread.java:200)
      2. weblogic.work.ExecuteThread.run(ExecuteThread.java:172)
      2 frames