2011-01-12 39 views
4

使用Glassfish 3.0.1 ...如果我有一个Web应用程序远程访问另一个应用程序中的EJB,并且包含该EJB的远程应用程序被重新部署,我得到一个javax.ejb.NoSuchEJBException (请参阅下面的堆栈跟踪)。重新部署EJB后的javax.ejb.NoSuchEJBException

不应该工作吗?我可以看到使用完全相同的JNDI名称成功部署了有问题的EJB。

有没有其他方法可以解决这个问题,而不是重新启动Web应用程序?应当指出的是,在这个特殊的例子,该堆栈跟踪是,我访问与CDI注入豆一个servlet:

public class StatusServlet extends HttpServlet { 

    @Inject 
    private StatusService statusService; 

    @Override 
    public void doGet(final HttpServletRequest req, final HttpServletResponse res) throws IOException { 
     res.getWriter().write(statusService.getStatus()); 
    } 
} 

注射用下面的生产商做可以得到正确的EJB:

public class StatusServiceProducer extends AbstractServiceProducer { 

@EJB(name = "StatusService") 
private StatusService service; 

@Produces 
public StatusService getService(final InjectionPoint ip) { 
    return service; 
} 

} 

生产者被用来使服务更容易包装在代理中,并且更容易改变查找EJB的方式。

的StatusService接口和实现如下:

@Stateless(name = "StatusService") 
public class StatusServiceImpl implements StatusService { 
    private static final String OK = "OK"; 

    public String getStatus() { 
     // Some code 
     return OK; 
    } 
} 
public interface StatusService { 
String getStatus(); 
} 

编辑:提供我自己可能solution。有更好的吗?


完整堆栈跟踪:

[#|2011-01-12T10:45:28.273+0100|WARNING|glassfish3.0.1|javax.enterprise.system.container.web.com.sun.enterprise.web|_ThreadID=50;_ThreadName=http-thread-pool-8080-(1);|StandardWrapperValve[Load 
Balancer status servlet]: PWC1406: Servlet.service() for servlet Load 
Balancer status servlet threw exception 
javax.ejb.NoSuchEJBException 
     at org.example.service._StatusService_Wrapper.getStatus(org/example/service/_StatusService_Wrapper.java) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
     at java.lang.reflect.Method.invoke(Method.java:597) 
     at no.evote.service.cache.ServiceInvocationHandler.invoke(ServiceInvocationHandler.java:34) 
     at $Proxy760.getStatus(Unknown Source) 
     at no.evote.presentation.StatusServlet.doGet(StatusServlet.java:25) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) 
     at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at net.balusc.http.multipart.MultipartFilter.doFilter(MultipartFilter.java:78) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) 
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) 
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) 
     at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97) 
     at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85) 
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) 
     at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325) 
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226) 
     at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) 
     at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) 
     at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) 
     at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) 
     at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) 
     at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) 
     at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) 
     at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) 
     at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) 
     at com.sun.grizzly.ContextTask.run(ContextTask.java:69) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309) 
     at java.lang.Thread.run(Thread.java:662) 
Caused by: java.rmi.NoSuchObjectException: CORBA OBJECT_NOT_EXIST 
1330446338 No; nested exception is: 
     org.omg.CORBA.OBJECT_NOT_EXIST: ----------BEGIN server-side stack 
trace---------- 
org.omg.CORBA.OBJECT_NOT_EXIST: vmcid: OMG minor code: 2 completed: No 
     at com.sun.corba.ee.impl.logging.OMGSystemException.noObjectAdaptor(OMGSystemException.java:3457) 
     at com.sun.corba.ee.impl.logging.OMGSystemException.noObjectAdaptor(OMGSystemException.java:3475) 
     at com.sun.corba.ee.impl.oa.poa.POAFactory.find(POAFactory.java:222) 
     at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.findObjectAdapter(CorbaServerRequestDispatcherImpl.java:450) 
     at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:209) 
     at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1841) 
     at com.sun.corba.ee.impl.protocol.SharedCDRClientRequestDispatcherImpl.marshalingComplete(SharedCDRClientRequestDispatcherImpl.java:119) 
     at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.invoke(CorbaClientDelegateImpl.java:235) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:187) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:147) 
     at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:225) 
     at no.evote.service.__StatusService_Remote_DynamicStub.getStatus(no/evote/service/__StatusService_Remote_DynamicStub.java) 
     at no.evote.service._StatusService_Wrapper.getStatus(no/evote/service/_StatusService_Wrapper.java) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
     at java.lang.reflect.Method.invoke(Method.java:597) 
     at no.evote.service.cache.ServiceInvocationHandler.invoke(ServiceInvocationHandler.java:34) 
     at $Proxy760.getStatus(Unknown Source) 
     at no.evote.presentation.StatusServlet.doGet(StatusServlet.java:25) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) 
     at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at net.balusc.http.multipart.MultipartFilter.doFilter(MultipartFilter.java:78) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) 
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) 
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) 
     at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97) 
     at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85) 
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) 
     at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325) 
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226) 
     at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) 
     at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) 
     at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) 
     at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) 
     at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) 
     at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) 
     at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) 
     at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) 
     at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) 
     at com.sun.grizzly.ContextTask.run(ContextTask.java:69) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309) 
     at java.lang.Thread.run(Thread.java:662) 
Caused by: org.omg.PortableServer.POAPackage.AdapterNonExistent: 
IDL:omg.org/PortableServer/POA/AdapterNonExistent:1.0 
     at com.sun.corba.ee.impl.oa.poa.POAImpl.find_POA(POAImpl.java:1057) 
     at com.sun.corba.ee.impl.oa.poa.POAFactory.find(POAFactory.java:218) 
     ... 48 more 

----------END server-side stack trace---------- vmcid: OMG minor 
code: 2 completed: No 
     at com.sun.corba.ee.impl.javax.rmi.CORBA.Util.mapSystemException(Util.java:280) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:200) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:147) 
     at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:225) 
     at no.evote.service.__StatusService_Remote_DynamicStub.getStatus(no/evote/service/__StatusService_Remote_DynamicStub.java) 
     ... 39 more 
Caused by: org.omg.CORBA.OBJECT_NOT_EXIST: ----------BEGIN server-side 
stack trace---------- 
org.omg.CORBA.OBJECT_NOT_EXIST: vmcid: OMG minor code: 2 completed: No 
     at com.sun.corba.ee.impl.logging.OMGSystemException.noObjectAdaptor(OMGSystemException.java:3457) 
     at com.sun.corba.ee.impl.logging.OMGSystemException.noObjectAdaptor(OMGSystemException.java:3475) 
     at com.sun.corba.ee.impl.oa.poa.POAFactory.find(POAFactory.java:222) 
     at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.findObjectAdapter(CorbaServerRequestDispatcherImpl.java:450) 
     at com.sun.corba.ee.impl.protocol.CorbaServerRequestDispatcherImpl.dispatch(CorbaServerRequestDispatcherImpl.java:209) 
     at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.handleRequestRequest(CorbaMessageMediatorImpl.java:1841) 
     at com.sun.corba.ee.impl.protocol.SharedCDRClientRequestDispatcherImpl.marshalingComplete(SharedCDRClientRequestDispatcherImpl.java:119) 
     at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.invoke(CorbaClientDelegateImpl.java:235) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:187) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:147) 
     at com.sun.corba.ee.impl.presentation.rmi.codegen.CodegenStubBase.invoke(CodegenStubBase.java:225) 
     at no.evote.service.__StatusService_Remote_DynamicStub.getStatus(no/evote/service/__StatusService_Remote_DynamicStub.java) 
     at no.evote.service._StatusService_Wrapper.getStatus(no/evote/service/_StatusService_Wrapper.java) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
     at java.lang.reflect.Method.invoke(Method.java:597) 
     at no.evote.service.cache.ServiceInvocationHandler.invoke(ServiceInvocationHandler.java:34) 
     at $Proxy760.getStatus(Unknown Source) 
     at no.evote.presentation.StatusServlet.doGet(StatusServlet.java:25) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:734) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) 
     at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at net.balusc.http.multipart.MultipartFilter.doFilter(MultipartFilter.java:78) 
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256) 
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215) 
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277) 
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188) 
     at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641) 
     at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97) 
     at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85) 
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185) 
     at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325) 
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:226) 
     at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:165) 
     at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:791) 
     at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:693) 
     at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:954) 
     at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:170) 
     at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:135) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:102) 
     at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:88) 
     at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:76) 
     at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:53) 
     at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:57) 
     at com.sun.grizzly.ContextTask.run(ContextTask.java:69) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:330) 
     at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:309) 
     at java.lang.Thread.run(Thread.java:662) 
Caused by: org.omg.PortableServer.POAPackage.AdapterNonExistent: 
IDL:omg.org/PortableServer/POA/AdapterNonExistent:1.0 
     at com.sun.corba.ee.impl.oa.poa.POAImpl.find_POA(POAImpl.java:1057) 
     at com.sun.corba.ee.impl.oa.poa.POAFactory.find(POAFactory.java:218) 
     ... 48 more 

----------END server-side stack trace---------- vmcid: OMG minor 
code: 2 completed: No 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) 
     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) 
     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) 
     at java.lang.reflect.Constructor.newInstance(Constructor.java:513) 
     at com.sun.corba.ee.impl.protocol.giopmsgheaders.MessageBase.getSystemException(MessageBase.java:913) 
     at com.sun.corba.ee.impl.protocol.giopmsgheaders.ReplyMessage_1_2.getSystemException(ReplyMessage_1_2.java:129) 
     at com.sun.corba.ee.impl.protocol.CorbaMessageMediatorImpl.getSystemExceptionReply(CorbaMessageMediatorImpl.java:681) 
     at com.sun.corba.ee.impl.protocol.CorbaClientRequestDispatcherImpl.processResponse(CorbaClientRequestDispatcherImpl.java:510) 
     at com.sun.corba.ee.impl.protocol.SharedCDRClientRequestDispatcherImpl.marshalingComplete(SharedCDRClientRequestDispatcherImpl.java:153) 
     at com.sun.corba.ee.impl.protocol.CorbaClientDelegateImpl.invoke(CorbaClientDelegateImpl.java:235) 
     at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.privateInvoke(StubInvocationHandlerImpl.java:187) 
     ... 42 more 
|#] 
+0

StatusService的外观如何?我相信CDI为EJB创建代理,但在重新部署后,此代理不再工作。 AFAIK CDI不适合遥控。你不能只用@EJB而不是@Inject注入EJB? – amorfis 2011-01-12 22:49:07

+0

@amorfis:是的,你是对的......我们使用EJB,请参阅我添加的生产者代码。关于最初的问题,我相信这是在这里解释:http://www.java.net/forum/topic/glassfish/glassfish/redeploy-tree-0另请参见:http://www.java.net/论坛/主题/ glassfish/glassfish/javaxejbnosuchejbexception-after-redeplo – Vetle 2011-01-13 08:21:29

回答

1

从上Glassfish的论坛上discussion

注入参考更新,只有当一个新的实例,它被注入由创建EJB容器。因此,如果您始终查找它,则会获得带有更新引用的实例,但是如果代码保留在原始实例上,或者汇集了该实例,则注入的引用将保持陈旧。

所以根本问题就是对EJB的引用是陈旧。我已经发现了两个解决问题的对策:

  1. 查一查每个请求的EJB(不使用CDI)
  2. 包裹的EJB在查找的EJB如果引用是陈旧的代理

第二种解决方案仍然可以使用CDI。您需要一个生产商InvocationHandler。下面的代码是我在我的项目中使用的代码的简化版本,它可能无法正确编译,但它会显示用于完成此项工作的想法和概念。因人而异。

首先,在使用EJB的代码,你可以使用@Inject,如下:

public class Foo { 
    @Inject 
    MyEjb obj; 
} 

其次,你需要一个制片人,仅仅返回EJB的包装版本:

public class MyEjbProducer { 
    @EJB(name = "MyEjb") 
    private MyEjb obj; 

    @Produces 
    public MyEjb getEjb(final InjectionPoint ip) { 
     InvocationHandler handler = new MyInvocationHandler(obj, MyEjb.class); 
     return (MyEjb)Proxy.newProxyInstance(obj.getClass().getClassLoader(), obj.getClass().getInterfaces(), handler); 
    } 
} 

三,调用处理程序需要测试NoSuchEjbException,再次查找该bean:

public class MyInvocationHandler implements InvocationHandler { 
    private MyEjb obj; 
    private Class lookupClass; 

    public MyInvocationHandler(MyEjb obj, Class lookupClass) { 
     this.obj = obj; 
     this.lookupClass = lookupClass; 
    } 

    public Object invoke (...) { 
     try { 
      return method.invoke(impl, args); 
     } catch (final InvocationTargetException e) { 
      if (e.getTargetException() instanceof NoSuchEJBException) { 
       // 1. look up EJB again 
       // 2. try calling invoke again      
      } 
     } 
    } 
} 

此代码并不完整。一些代码,例如查找EJB并再次调用方法已被省略。

这样做会起作用。另一种方法是做类似的事情,但在EJB中添加一个单独的方法来检查陈旧性,而不是使用用户试图调用的方法。

您认为如何?有更好的解决方案吗?

2

唯一的解决方案是不使用@EJB注入作为servlet中的一个字段(它在类加载时被注入,所以应用程序启动或首次使用servlet,而是为每个请求请求一个新实例。 可悲的是,这并不意味着你不能使用@EJB注入注解,将有利用来处理EJB以旧的方式JNDI查找等