我是Java新手,开发了一个示例Java EE应用程序,它与普通的Java客户端一起工作,但它不适用于Servlet。我使用Application Client,EJB模块和Web模块在Netbeans IDE中开发了EE项目。EJB容器初始化错误,EJB绑定时JNDI名称***出错***
Customer.java
@Entity
@Table(name = "customer")
public class Customer implements Serializable {
private static final long serialVersionUID = 1L;
@Id
@Column (name="id")
private String id;
@Column (name="name")
private String name;
public void setName(String name) {
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
myBeanInterface.java
import Entities.Customer;
import javax.ejb.Remote;
@Remote
public interface myBeanInterface {
void addCustomer(Customer customer);
}
CustomerSession.java
@Stateless
public class CustomerSession implements myBeanInterface {
@PersistenceContext(unitName = "Omazon-EJBPU")
EntityManager em;
@Override
public void addCustomer(Customer customer)
{
em.persist(customer);
}
Java客户端
@EJB
private static myBeanInterface inter;
public static void main(String[] args) throws NamingException {
InitialContext context = new InitialContext();
inter = (myBeanInterface) context.lookup("Session.myBeanInterface");
Customer customer = new Customer();
customer.setId("16906");
customer.setName("My book from Main");
inter.addCustomer(customer);
}
的Servlet
public class addCustomerServlet extends HttpServlet {
@EJB
public myBeanInterface myBean;
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException , NamingException {
InitialContext context = new InitialContext();
myBean = (myBeanInterface) context.lookup("Session.myBeanInterface");
Customer customer = new Customer();
customer.setId("1198");
customer.setName("i1787");
myBean.addCustomer(customer);
response.setContentType("text/html;charset=UTF-8");
try (PrintWriter out = response.getWriter()) {
/* TODO output your page here. You may use following sample code. */
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet addCustomerServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet addCustomerServlet at " + request.getContextPath() + "</h1>");
out.println("</body>");
out.println("</html>");
}
}
错误
INFO: visiting unvisited references
INFO: visiting unvisited references
INFO: visiting unvisited references
INFO: visiting unvisited references
INFO: visiting unvisited references
INFO: EclipseLink, version: Eclipse Persistence Services - 2.5.0.v20130507-3faac2b
INFO: file:/C:/Users/Irfan/Documents/NetBeansProjects/TestWeb/build/web/WEB- INF/lib/Omazon-EJB.jar_Omazon-EJBPU login successful
SEVERE: Exception while invoking class org.glassfish.ejb.startup.EjbDeployer load method
java.lang.RuntimeException: EJB Container initialization error
at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:234)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:291)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:99)
at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:206)
at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:313)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:493)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:356)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.RuntimeException: Error while binding JNDI name Session.myBeanInterface for EJB CustomerSession
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1552)
at com.sun.ejb.containers.StatelessSessionContainer.initializeHome(StatelessSessionContainer.java:190)
at com.sun.ejb.containers.StatelessContainerFactory.createContainer(StatelessContainerFactory.java:63)
at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:221)
... 38 more
Caused by: javax.naming.NameAlreadyBoundException: Use rebind to override
at com.sun.enterprise.naming.impl.TransientContext.doBindOrRebind(TransientContext.java:322)
at com.sun.enterprise.naming.impl.TransientContext.bind(TransientContext.java:257)
at com.sun.enterprise.naming.impl.SerialContextProviderImpl.bind(SerialContextProviderImpl.java:85)
at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.bind(LocalSerialContextProviderImpl.java:94)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:640)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:657)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:212)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:196)
at com.sun.ejb.containers.BaseContainer$JndiInfo.publish(BaseContainer.java:4859)
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1539)
... 41 more
SEVERE: Exception during lifecycle processing
java.lang.RuntimeException: EJB Container initialization error
at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:234)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:291)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:99)
at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:206)
at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:313)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:493)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:356)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.RuntimeException: Error while binding JNDI name Session.myBeanInterface for EJB CustomerSession
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1552)
at com.sun.ejb.containers.StatelessSessionContainer.initializeHome(StatelessSessionContainer.java:190)
at com.sun.ejb.containers.StatelessContainerFactory.createContainer(StatelessContainerFactory.java:63)
at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:221)
... 38 more
Caused by: javax.naming.NameAlreadyBoundException: Use rebind to override
at com.sun.enterprise.naming.impl.TransientContext.doBindOrRebind(TransientContext.java:322)
at com.sun.enterprise.naming.impl.TransientContext.bind(TransientContext.java:257)
at com.sun.enterprise.naming.impl.SerialContextProviderImpl.bind(SerialContextProviderImpl.java:85)
at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.bind(LocalSerialContextProviderImpl.java:94)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:640)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:657)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:212)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:196)
at com.sun.ejb.containers.BaseContainer$JndiInfo.publish(BaseContainer.java:4859)
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1539)
... 41 more
SEVERE: Exception while loading the app
SEVERE: The web application [unknown] created a ThreadLocal with key of type [org.glassfish.pfl.dynamic.codegen.impl.CurrentClassLoader$1] (value [[email protected]b721]) and a value of type [org.glassfish.web.loader.WebappClassLoader] (value [WebappClassLoader (delegate=true; repositories=WEB-INF/classes/)]) but failed to remove it when the web application was stopped. Threads are going to be renewed over time to try and avoid a probable memory leak.
INFO: file:/C:/Users/Documents/NetBeansProjects/TestWeb/build/web/WEB-INF/lib/Omazon-EJB.jar_Omazon-EJBPU logout successful
SEVERE: Exception while loading the app : EJB Container initialization error
java.lang.RuntimeException: Error while binding JNDI name Session.myBeanInterface for EJB CustomerSession
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1552)
at com.sun.ejb.containers.StatelessSessionContainer.initializeHome(StatelessSessionContainer.java:190)
at com.sun.ejb.containers.StatelessContainerFactory.createContainer(StatelessContainerFactory.java:63)
at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:221)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:291)
at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:99)
at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:206)
at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:313)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:493)
at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
at org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:527)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:523)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:356)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:522)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:546)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1423)
at com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1762)
at com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1674)
at com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
at com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
at org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
at java.lang.Thread.run(Thread.java:744)
Caused by: javax.naming.NameAlreadyBoundException: Use rebind to override
at com.sun.enterprise.naming.impl.TransientContext.doBindOrRebind(TransientContext.java:322)
at com.sun.enterprise.naming.impl.TransientContext.bind(TransientContext.java:257)
at com.sun.enterprise.naming.impl.SerialContextProviderImpl.bind(SerialContextProviderImpl.java:85)
at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.bind(LocalSerialContextProviderImpl.java:94)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:640)
at com.sun.enterprise.naming.impl.SerialContext.bind(SerialContext.java:657)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at javax.naming.InitialContext.bind(InitialContext.java:423)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:212)
at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.publishObject(GlassfishNamingManagerImpl.java:196)
at com.sun.ejb.containers.BaseContainer$JndiInfo.publish(BaseContainer.java:4859)
at com.sun.ejb.containers.BaseContainer.initializeHome(BaseContainer.java:1539)
... 41 more
它似乎是在部署时引发异常,请确保您的应用已打包良好。 “由:javax.naming.NameAlreadyBoundException导致:使用rebind来覆盖”这告诉我,你试图部署ejb两次。在修复你的ejb客户端代码之前,你需要解决这个异常。 –
谢谢,问题我知道它说什么,但我不知道如何解决它。我用rebind,但错误是一样的。 – Kahn