javax.ejb.EJBException: Local and Remote Interfaces cannot have duplicate interface for bean UserManagerBean
at org.jboss.ejb3.SessionContainer.checkForDuplicateLocalAndRemoteInterfaces(SessionContainer.java:134)
at org.jboss.ejb3.SessionContainer.instantiated(SessionContainer.java:119)
at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:492)
at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:442)
at org.jboss.ejb3.SessionContainer.checkForDuplicateLocalAndRemoteInterfaces(SessionContainer.java:134)
at org.jboss.ejb3.SessionContainer.instantiated(SessionContainer.java:119)
at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:492)
at org.jboss.ejb3.Ejb3Deployment.deployElement(Ejb3Deployment.java:442)
UserManagerBean中的@Local,@Remote必须明确写上接口的类型,才可以。修改代码如下:
package cn.study.ejb;
import javax.ejb.Local;
import javax.ejb.Remote;
import javax.ejb.Stateless;
@Stateless
@Remote(UserManager.class)
@Local(UserManager.class)
public class UserManagerBean
implements UserManager
{

public
void addUser(User user)
{
System.out.println(user.getUsername() + "已经被成功保存!");
user.setId(13);
本文详细介绍了在使用EJB技术开发应用时遇到的本地和远程接口冲突问题,并提供了解决方法,通过明确指定接口类型避免了错误发生。
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