我是ejb world的新手......我已经完成了所有配置......但是当我在Struts2 Action类javax.naming.NameNotFoundException中注入EJB时......我正在使用来自googlecode的@InjectEJB。 ..我的ejb和行动课.......
import java.sql.SQLException;
import javax.naming.NamingException;
import javax.persistence.PersistenceException;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ejb3plugin.InjectEJB;
public class LoginAction extends ActionSupport{
@InjectEJB(name = "LoginDAOin")
LoginDAOin loginDAO;
public String execute() throws PersistenceException, SQLException, NamingException{
loginDAO.validateCredentials("admin", "admin");
return SUCCESS;
}
}
DOA
import java.sql.SQLException;
import java.util.List;
import javax.ejb.EJB;
import javax.ejb.Local;
import javax.ejb.LocalBean;
import javax.ejb.Stateless;
import javax.naming.NamingException;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import javax.persistence.PersistenceException;
import javax.persistence.Query;
import com.ezakath.Action.LoginDAOin;
import com.ezakath.Exception.ZakathException;
import com.ezakath.Model.ZakathDonor;
import com.ezakath.Util.ErrorCode;
/**
* Session Bean implementation class LoginDAOEJB
*/
@Local
@Stateless
public class LoginDAOEJB implements LoginDAOin{
/**
* Default constructor.
*/
@PersistenceContext(unitName="DonorProj", type = PersistenceContextType.EXTENDED)
private EntityManager entityManager;
public LoginDAOEJB() {
// TODO Auto-generated constructor stub
}
Query loginQuery = null;
List<Donor> donorList = null;
public boolean validateCredentials(String loginID, String password) {
boolean validatedResult = false;String status;
try {
//Context envCtx = (Context) new InitialContext().lookup("java:jboss/datasources/");
//System.out.println(envCtx.getNameInNamespace());
//javax.persistence.EntityManager em1 = (javax.persistence.EntityManager) envCtx.lookup("eZakath");
//DataSource ds = (DataSource)ctx.lookup("java:/eDonor");
///Connection connection = ds.getConnection();
//EntityManager entityManager = emf.createEntityManager();
System.out.println(entityManager);
donorList = (List<Donor>) entityManager.createQuery("select donor from donor donor").getResultList();
for(Donor donor:donorList){
System.out.println("Donor Details");
System.out.println(donor.getFirstName());
}
} catch (PersistenceException e) {
e.printStackTrace();
throw new Exception(ErrorCode.DatabaseNotConnected,"Cannot open Connetion");
}
return validatedResult;
}
}
本地EJB
import javax.ejb.Local;
import javax.ejb.Remote;
@Local
public interface LoginDAOin {
boolean validateCredentials(String loginID, String password);
}
日志
08:59:20,533 ERROR [org.apache.struts2.dispatcher.DefaultDispatcherErrorHandler] (http-localhost-127.0.0.1-8080-1) Exception occurred during processing request: LoginDAOin/local -- service jboss.naming.context.java.LoginDAOin.local: javax.naming.NameNotFoundException: LoginDAOin/local -- service jboss.naming.context.java.LoginDAOin.local
at org.jboss.as.naming.ServiceBasedNamingStore.lookup(ServiceBasedNamingStore.java:97)
at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:178)
at org.jboss.as.naming.InitialContext.lookup(InitialContext.java:113)
at org.jboss.as.naming.NamingContext.lookup(NamingContext.java:214)
at javax.naming.InitialContext.lookup(InitialContext.java:423) [rt.jar:1.7.0]
at com.opensymphony.xwork2.ejb3plugin.InjectEJBInterceptor.injectEJB(InjectEJBInterceptor.java:103) [struts2ejb3-jboss-plugin-0.0.4.jar:]
at com.opensymphony.xwork2.ejb3plugin.InjectEJBInterceptor.intercept(InjectEJBInterceptor.java:63) [struts2ejb3-jboss-plugin-0.0.4.jar:]
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:244) [xwork-core-2.3.24.jar:2.3.24]
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54) [struts2-core-2.3.24.jar:2.3.24]
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:564) [struts2-core-2.3.24.jar:2.3.24]
at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81) [struts2-core-2.3.24.jar:2.3.24]
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99) [struts2-core-2.3.24.jar:2.3.24]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
at java.lang.Thread.run(Thread.java:801) [vm.jar:1.7.0]