[EJB:015001]Unable to link class while server start up.

Question

I am getting the below exception during weblogic server start up.
In the server under autodeploy folder there exist a class - AccountCacheLoaderMDB. I clue less, what is the cause for this exception. Can anyone help me out in solving this issue please,its urgent
<Jun 2, 2011 10:23:01 AM EDT> <Error> <Deployer> <BEA-149205> <Failed to initialize the application 'gts' due to error weblogic.application.ModuleException: Exception preparing module: EJBModule(autodeploy)
[EJB:011023]An error occurred while reading the deployment descriptor. The error was:
Error processing annotations: ..
weblogic.application.ModuleException: Exception preparing module: EJBModule(autodeploy)
[EJB:011023]An error occurred while reading the deployment descriptor. The error was:
Error processing annotations: .
     at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:454)
     at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93)
     at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:387)
     at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
     at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:58)
     Truncated. see log file for complete stacktrace
weblogic.utils.ErrorCollectionException:
There are 1 nested errors:
weblogic.j2ee.dd.xml.AnnotationProcessException: [EJB:015001]Unable to link class sepact.sepact-app.com.citi.gts.alto.accountservice.service.AccountCacheLoaderMDB in Jar C:\Oracle\user_projects\domains\base_domain\autodeploy : java.lang.NoClassDefFoundError: sepact/sepact-app/com/citi/gts/alto/accountservice/service/AccountCacheLoaderMDB (wrong name: com/citi/gts/alto/accountservice/service/AccountCacheLoaderMDB)
     at weblogic.j2ee.dd.xml.BaseJ2eeAnnotationProcessor.addProcessingError(BaseJ2eeAnnotationProcessor.java:1272)
     at weblogic.j2ee.dd.xml.BaseJ2eeAnnotationProcessor.addFatalProcessingError(BaseJ2eeAnnotationProcessor.java:1277)
     at weblogic.ejb.container.dd.xml.EjbAnnotationProcessor.processAnnotations(EjbAnnotationProcessor.java:168)
     at weblogic.ejb.container.dd.xml.EjbDescriptorReaderImpl.processStandardAnnotations(EjbDescriptorReaderImpl.java:332)
     at weblogic.ejb.container.dd.xml.EjbDescriptorReaderImpl.createReadOnlyDescriptorFromJarFile(EjbDescriptorReaderImpl.java:192)
     at weblogic.ejb.spi.EjbDescriptorFactory.createReadOnlyDescriptorFromJarFile(EjbDescriptorFactory.java:93)
     at weblogic.ejb.container.deployer.EJBModule.loadEJBDescriptor(EJBModule.java:1210)
     at weblogic.ejb.container.deployer.EJBModule.prepare(EJBModule.java:382)
     at weblogic.application.internal.flow.ModuleListenerInvoker.prepare(ModuleListenerInvoker.java:93)
     at weblogic.application.internal.flow.DeploymentCallbackFlow$1.next(DeploymentCallbackFlow.java:387)
     at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
     at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:58)
     at weblogic.application.internal.flow.DeploymentCallbackFlow.prepare(DeploymentCallbackFlow.java:42)
     at weblogic.application.internal.BaseDeployment$1.next(BaseDeployment.java:609)
     at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:37)
     at weblogic.application.internal.BaseDeployment.prepare(BaseDeployment.java:185)
     at weblogic.application.internal.SingleModuleDeployment.prepare(SingleModuleDeployment.java:40)
     at weblogic.application.internal.DeploymentStateChecker.prepare(DeploymentStateChecker.java:154)
     at weblogic.deploy.internal.targetserver.AppContainerInvoker.prepare(AppContainerInvoker.java:60)
     at weblogic.deploy.internal.targetserver.AppDeployment.prepare(AppDeployment.java:141)
     at weblogic.management.deploy.internal.DeploymentAdapter$1.doPrepare(DeploymentAdapter.java:39)
     at weblogic.management.deploy.internal.DeploymentAdapter.prepare(DeploymentAdapter.java:187)
     at weblogic.management.deploy.internal.AppTransition$1.transitionApp(AppTransition.java:21)
     at weblogic.management.deploy.internal.ConfiguredDeployments.transitionApps(ConfiguredDeployments.java:233)
     at weblogic.management.deploy.internal.ConfiguredDeployments.prepare(ConfiguredDeployments.java:165)
     at weblogic.management.deploy.internal.ConfiguredDeployments.deploy(ConfiguredDeployments.java:122)
     at weblogic.management.deploy.internal.DeploymentServerService.resume(DeploymentServerService.java:173)
     at weblogic.management.deploy.internal.DeploymentServerService.start(DeploymentServerService.java:89)
     at weblogic.t3.srvr.SubsystemRequest.run(SubsystemRequest.java:64)
     at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:516)
     at weblogic.work.ExecuteThread.execute(ExecuteThread.java:201)
     at weblogic.work.ExecuteThread.run(ExecuteThread.java:173)
     at weblogic.j2ee.dd.xml.BaseJ2eeAnnotationProcessor.addProcessingError(BaseJ2eeAnnotationProcessor.java:1271)
     at weblogic.j2ee.dd.xml.BaseJ2eeAnnotationProcessor.addFatalProcessingError(BaseJ2eeAnnotationProcessor.java:1277)
     at weblogic.ejb.container.dd.xml.EjbAnnotationProcessor.processAnnotations(EjbAnnotationProcessor.java:168)
     at weblogic.ejb.container.dd.xml.EjbDescriptorReaderImpl.processStandardAnnotations(EjbDescriptorReaderImpl.java:332)
     at weblogic.ejb.container.dd.xml.EjbDescriptorReaderImpl.createReadOnlyDescriptorFromJarFile(EjbDescriptorReaderImpl.java:192)
     Truncated. see log file for complete stacktrace
>
===============================================================
Here is the message driven bean.
package com.xxx.gts.alto.accountservice.service;
import com.xxx.gts.alto.accountservice.adapter.AccountAdapter;
import com.xxx.gts.alto.accountservice.util.AccBeanUtil;
import com.xxx.gts.alto.accountservice.util.AccountConstants;
import com.xxx.gts.alto.accountservice.util.AccountLoader;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.BeanFactory;
import javax.ejb.ActivationConfigProperty;
import javax.ejb.EJB;
import javax.ejb.MessageDriven;
import javax.ejb.TransactionAttribute;
import javax.ejb.TransactionAttributeType;
import javax.ejb.TransactionManagement;
import javax.ejb.TransactionManagementType;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.TextMessage;
* MDB for the Account Cache Loader.
@MessageDriven(mappedName = "AccountCacheLoaderQueue", activationConfig = {@ActivationConfigProperty(propertyName = "destinationType", propertyValue = "javax.jms.Queue"),@ActivationConfigProperty(propertyName = "destinationName", propertyValue = "AccountCacheLoaderQueue")})
@TransactionManagement(value = TransactionManagementType.CONTAINER)
@TransactionAttribute(value = TransactionAttributeType.NOT_SUPPORTED)
public class AccountCacheLoaderMDB implements MessageListener {
private static Logger logger = Logger.getLogger(AccountCacheLoaderMDB.class.getName());
private static final String LOCAL_ADAPATER = AccBeanUtil.getProperty(AccountConstants.ADAPTER_ID);
private static final String TOKEN_SEPARATOR = ","; // \\s
@EJB
private BeanFactory beanFactory;
public void onMessage(Message message) {
logger.debug("Entering onMessage of AccountCacheLoaderMDB");
try {
if (message instanceof TextMessage) {
TextMessage tmsg = (TextMessage) message;
String[] msgArr = tmsg.getText().split(TOKEN_SEPARATOR);
logger.debug("Trying to get AccountAdapter");
AccountAdapter acctAdapter = (AccountAdapter) beanFactory.getBean(LOCAL_ADAPATER);
if (acctAdapter == null) {
throw new RuntimeException("Account Adapter cannot be determined.");
for (String msg : msgArr) {
if (msg.equalsIgnoreCase(AccountConstants.ACC_RELOAD)) {
logger.debug("Calling AccountLoader.load");
AccountLoader.load(acctAdapter);
} else if (msg.equalsIgnoreCase(AccountConstants.BIC_RELOAD)) {
logger.debug("Calling AccountLoader.loadBicData");
AccountLoader.loadBicData(acctAdapter);
} catch (Exception e) {
logger.error("Error while loading Account.", e);
throw new RuntimeException(e);
logger.debug("Exiting onMessage of AccountCacheLoaderMDB");
can any one throw some light please...its urgent

Answer 1

Your class seems to be in the wrong folder structure.
instead of sepact/sepact-app/com/citi/gts/alto/accountservice/service/ it needs to be in com/citi/gts/alto/accountservice/service/ which matches the folder structure.