Error while deploying jar in weblogic

Question

An error occurred during activation of changes, please see the log for details.

Message icon - Error Exception preparing module: EJBModule(Demo_web_service) [EJB:011023]An error occurred while reading the deployment descriptor. The error was: Error processing annotations: . Message icon - Error There are 1 nested errors: weblogic.j2ee.dd.xml.AnnotationProcessException: [EJB:015002]Unable to load class com.cms.webservice.CMSWebServiceBean in Jar D:\\Aswin\\Demo_web_service.jar : java.lang.ClassNotFoundException: Class bytes found but defineClass()failed for: 'com.cms.webservice.CMSWebServiceBean'

Message icon - Error Exception preparing module: EJBModule(Demo_web_service) Unable to deploy EJB: Demo_web_service.jar from Demo_web_service.jar: There are 1 nested errors: java.io.IOException: JDT compilation error! at weblogic.ejb.container.ejbc.CompilerForJDT.compile(CompilerForJDT.java:66) at weblogic.ejb.container.ejbc.EJBCompiler.doCompile(EJBCompiler.java:358) at weblogic.ejb.container.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:556) at weblogic.ejb.container.ejbc.EJBCompiler.compileEJB(EJBCompiler.java:523) at weblogic.ejb.container.deployer.EJBDeployer.runEJBC(EJBDeployer.java:441) at weblogic.ejb.container.deployer.EJBDeployer.compileJar(EJBDeployer.java:766) at weblogic.ejb.container.deployer.EJBDeployer.compileIfNecessary(EJBDeployer.java:666) at weblogic.ejb.container.deployer.EJBDeployer.prepare(EJBDeployer.java:1241) at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:427) at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:199) at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:391) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:83) at weblogic .application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:59) at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:43) at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:1221) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:83) at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:367) at weblogic.application.internal.SingleModuleDeployment.prepare(SingleModuleDeployment.java:39) at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:154) at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:60) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.createAndPrepareContainer(ActivateOperation.java:207) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doPrepare(ActivateOperation.java:98) at weblogic.deploy.internal.targetserv er.operations.AbstractOperation.prepare(AbstractOperation.java:217) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentPrepare(DeploymentManager.java:747) at weblogic.deploy.internal.targetserver.DeploymentManager.prepareDeploymentList(DeploymentManager.java:1216) at weblogic.deploy.internal.targetserver.DeploymentManager.handlePrepare(DeploymentManager.java:250) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.prepare(DeploymentServiceDispatcher.java:159) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doPrepareCallback(DeploymentReceiverCallbackDeliverer.java:157) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$000(DeploymentReceiverCallbackDeliverer.java:12) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$1.run(DeploymentReceiverCallbackDeliverer.java:45) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTu ningWorkManagerImpl.java:516) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201) at weblogic.work.ExecuteThread.run(ExecuteThread.java:173) Message icon - Error JDT compilation error!

Can you please help me out to solve this?

Answer 1

The Class bytes found but defineClass()failed for error indicates you have a Java mismatch. Weblogic is running with a different JDK/version of Java than the compiled war file you are deploying.

See: Class bytes found but defineClass()failed for error when deploying EAR