Below is the trace from server.log
[#|2010-01-07T09:31:49.528+0530|SEVERE|sun-appserver2.1|javax.enterprise.system.tools.deployment|_ThreadID=105;_ThreadName=Thread-23402;_RequestID=3d7b27ab-dd21-4100-8e4e-a870e96dff67;|Exception occured in J2EEC Phasejava.lang.IllegalArgumentException: Invalid ejb jar [<JAR_NAME>.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.
com.sun.enterprise.deployment.backend.IASDeploymentException: Error loading deployment descriptors for module [<MODULE_NAME>] -- Invalid ejb jar [<JAR_NAME>.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.backend.Deployer.loadDescriptors(Deployer.java:406)
at com.sun.enterprise.deployment.backend.AppDeployerBase.loadDescriptors(AppDeployerBase.java:359)
at com.sun.enterprise.deployment.backend.AppDeployer.explodeArchive(AppDeployer.java:303)
at com.sun.enterprise.deployment.backend.AppDeployer.deploy(AppDeployer.java:207)
at com.sun.enterprise.deployment.backend.AppDeployer.doRequestFinish(AppDeployer.java:148)
at com.sun.enterprise.deployment.phasing.J2EECPhase.runPhase(J2EECPhase.java:208)
at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:966)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:283)
at com.sun.enterprise.deployment.phasing.PEDeploymentService.deploy(PEDeploymentService.java:835)
at com.sun.enterprise.management.deploy.DeployThread.deploy(DeployThread.java:187)
at com.sun.enterprise.management.deploy.DeployThread.run(DeployThread.java:225)
Caused by: java.lang.IllegalArgumentException: Invalid ejb jar [<JAR_NAME>.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(EjbBundleValidator.java:95)
at com.sun.enterprise.deployment.util.ApplicationValidator.accept(ApplicationValidator.java:82)
at com.sun.enterprise.deployment.EjbBundleDescriptor.visit(EjbBundleDescriptor.java:730)
at com.sun.enterprise.deployment.Application.visit(Application.java:1819)
at com.sun.enterprise.deployment.archivist.ApplicationArchivist.validate(ApplicationArchivist.java:520)
at com.sun.enterprise.deployment.backend.Deployer.loadDescriptors(Deployer.java:382)
... 11 more
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