i get this error on deploying in weblogic
weblogic.management.ManagementRuntimeException: javax.management.InstanceNotFoundException: mydomain:Application=Stateless,Name=Stateless,Type=EJBComponent
at weblogic.management.configuration.EJBComponentMBean_Stub.getApplication()Lweblogic.management.configuration.ApplicationMBean;(EJBComponentMBean_Stub.java:125)
at weblogic.management.console.utils.MBeans.getRecentDeploymentTasksFor(Lweblogic.management.configuration.ComponentMBean

Ljava.util.Collection;(MBeans.java:1272)
at weblogic.management.console.webapp._domain.__ejbcomponent._jspService(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse

V(__ejbcomponent.java:900)
at weblogic.servlet.jsp.JspBase.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse

V(JspBase.java:33)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl

V(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse

V(ServletStubImpl.java:315)
at weblogic.servlet.internal.RequestDispatcherImpl.forward(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse

V(RequestDispatcherImpl.java:322)
at weblogic.servlet.jsp.PageContextImpl.forward(Ljava.lang.String

V(PageContextImpl.java:150)
at weblogic.management.console.actions.ForwardAction.perform(Lweblogic.management.console.actions.ActionContext

Lweblogic.management.console.actions.Action;(ForwardAction.java:35)
at weblogic.management.console.actions.internal.ActionServlet.doAction(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse

V(ActionServlet.java:173)
at weblogic.management.console.actions.internal.ActionServlet.doPost(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse

V(ActionServlet.java:85)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.http.HttpServletRequest;Ljavax.servlet.http.HttpServletResponse

V(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse

V(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run()Ljava.lang.Object;(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse;Lweblogic.servlet.internal.FilterChainImpl

V(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(Ljavax.servlet.ServletRequest;Ljavax.servlet.ServletResponse

V(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run()Ljava.lang.Object;(WebAppServletContext.java:6718)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(Lweblogic.security.subject.AbstractSubject;Ljava.security.PrivilegedAction

Ljava.lang.Object;(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(Lweblogic.security.acl.internal.AuthenticatedSubject;Lweblogic.security.acl.internal.AuthenticatedSubject;Ljava.security.PrivilegedAction

Ljava.lang.Object;(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(Lweblogic.servlet.internal.ServletRequestImpl;Lweblogic.servlet.internal.ServletResponseImpl

V(WebAppServletContext.java:3764)
at weblogic.servlet.internal.ServletRequestImpl.execute(Lweblogic.kernel.ExecuteThread

V(ServletRequestImpl.java:2644)
at weblogic.kernel.ExecuteThread.execute(Lweblogic.kernel.ExecuteRequest

V(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run()V(ExecuteThread.java:178)
at java.lang.Thread.startThreadFromVM(Ljava.lang.Thread

V(Unknown Source)
Caused by: javax.management.InstanceNotFoundException: mydomain:Application=Stateless,Name=Stateless,Type=EJBComponent
at com.sun.management.jmx.MBeanServerImpl.getMBean(Ljavax.management.ObjectName

Ljava.lang.Object;(MBeanServerImpl.java:1683)
at com.sun.management.jmx.MBeanServerImpl.getAttribute(Ljavax.management.ObjectName;Ljava.lang.String

Ljava.lang.Object;(MBeanServerImpl.java:1155)
at weblogic.management.internal.RemoteMBeanServerImpl.getAttribute(Ljavax.management.ObjectName;Ljava.lang.String

Ljava.lang.Object;(RemoteMBeanServerImpl.java:288)
at weblogic.management.internal.MBeanProxy.getAttribute(Ljava.lang.String

Ljava.lang.Object;(MBeanProxy.java:610)
at weblogic.management.internal.MBeanProxy.invokeForCachingStub(Ljava.lang.String;[Ljava.lang.Object

Ljava.lang.Object;(MBeanProxy.java:442)
at weblogic.management.configuration.EJBComponentMBean_Stub.getApplication()Lweblogic.management.configuration.ApplicationMBean;(EJBComponentMBean_Stub.java:118)
... 24 more
can anyone tell me why it is so?