Question

当我尝试远程远程EJB3调用时，抛出ClassCastException。

服务器

public interface CardManager extends Manager {
     public CardCheckResponse check(CardCheckRequest request);
}


@Remote
public interface RMICardManagerRemote extends CardManager {
     static String CARD_CHECK_RMI_REMOTE_JNDI = "CardCheckRMI/remote";
}


@Stateless
@RemoteBinding(jndiBinding = RMICardManagerRemote.CARD_CHECK_RMI_REMOTE_JNDI)
@TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
public class RealRMICardManager implements RMICardManagerRemote {
    private CardManager cardManager = injector.getInstance(CardManager.class);

    @Override
    public CardCheckResponse check(CardCheckRequest request) {
    return cardManager.check(request);
    }

}

客户端：

InitialContext remoteContext = new InitialContext(PropertiesUtil.getCardCheckProp());
RMICardManagerRemote rmiCardManagerRemote = (RMICardManagerRemote) remoteContext.lookup(RMICardManagerRemote.CARD_CHECK_RMI_REMOTE_JNDI);

//throws ClassCastException
CardCheckResponse cardCheckResponse = rmiCardManagerRemote.check(cardCheckRequest);

堆栈跟踪：

java.lang.ClassCastException: com.cardcheck.dto.CardCheckResponse cannot be cast to com.cardcheck.dto.CardCheckResponse
    at $Proxy307.check(Unknown Source)
    at com.xxx.cardCheck(RechargeAdapter.java:267)

我检查过它是否是重复的jar，但事实并非如此。有没有人有任何想法解决这个问题？

提前致谢

Answer 1

解决！

问题是由JBoss的统一类加载器引起的。我解决了在jboss-app.xml中创建自定义加载器的问题：

<loader-repository> com.cardcheck loader = cardCheck heard </ loader-repository>

EJB3远程调用抛出ClassCastException

1 个答案: