com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [Oper8EA] -- Invalid ejb jar [appserv-rt.jar]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven), please check server.log to see whether the annotations were processed properly.

Oracle Community | javajoe83 | 8 years ago
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    Help deploying EAR to Glassfish

    Oracle Community | 8 years ago | javajoe83
    com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [Oper8EA] -- Invalid ejb jar [appserv-rt.jar]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven), please check server.log to see whether the annotations were processed properly.
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    Glassfish v1/v2 incompatibility?

    Oracle Community | 1 decade ago | ulim
    java.lang.IllegalArgumentException: Invalid ejb jar MyApp-ejb.jar: it contains zero ejb. A valid ejb jar requires at least one session/entity/message driven bean.
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    "Contains no EJBs"...but it does, and no server.log errors

    Oracle Community | 6 years ago | ljnelson
    java.lang.IllegalArgumentException: Invalid ejb jar [ngp-constituent-ejb-1.0-SNAPSHOT.jar]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message-driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven, @Singleton), please check server.log to see whether the annotations were processed properly.
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    Include EJB.jar or EJB (project) in other EJB or Web Application?

    Oracle Community | 6 years ago | 808683
    java.lang.IllegalArgumentException: Invalid ejb jar [wpof-ejb-timer]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message-driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven, @Singleton), please check server.log to see whether the annotations were processed properly.
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    Include EJB.jar or EJB (project) in other EJB o... | Oracle Community

    oracle.com | 1 year ago
    java.lang.IllegalArgumentException: Invalid ejb jar [wpof-ejb-timer]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message-driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven, @Singleton), please check server.log to see whether the annotations were processed properly.

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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      Invalid ejb jar [appserv-rt.jar]: it contains zero ejb. Note: 1. A valid ejb jar requires at least one session, entity (1.x/2.x style), or message driven bean. 2. EJB3+ entity beans (@Entity) are POJOs and please package them as library jar. 3. If the jar file contains valid EJBs which are annotated with EJB component level annotations (@Stateless, @Stateful, @MessageDriven), please check server.log to see whether the annotations were processed properly.

      at com.sun.enterprise.deployment.util.EjbBundleValidator.accept()
    2. Deployment Object Library
      ApplicationArchivist.validate
      1. com.sun.enterprise.deployment.util.EjbBundleValidator.accept(EjbBundleValidator.java:95)
      2. com.sun.enterprise.deployment.util.ApplicationValidator.accept(ApplicationValidator.java:82)
      3. com.sun.enterprise.deployment.EjbBundleDescriptor.visit(EjbBundleDescriptor.java:730)
      4. com.sun.enterprise.deployment.Application.visit(Application.java:1819)
      5. com.sun.enterprise.deployment.archivist.ApplicationArchivist.validate(ApplicationArchivist.java:520)
      5 frames
    3. com.sun.enterprise
      Deployer.loadDescriptors
      1. com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:382)
      1 frame