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 Categories  >>  Software  >>  Java J2EE  >>  Java Related  >>  EJB       
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  Question  Asked @ Answers Views     select
 
What Is EJB Clustering? Explain the Functionality? Business-Architectures   1  2358
What is the relationship between an EJB component, EJB container, and an application server?  2  1718
How does legacy object mapping work?  1  924
What is the purpose of JNDI?  4  3096
What does a deployment diagram specify?  1  1209
how to deploy enterprise javabeans? Inforica  2  1525
Transaction Attributes? What is the use of ?RequiresNew? HCL  1  1800
How the container will maintain synchronization for multiple calls to the entity bean? HCL  1  620
Can we write the Remote and Local Interfaces in one Bean. How do you define it in the deployment descriptor. HCL  2  1699
How do you implement the Local Interfaces ? HCL  1  1452
Life Cyle methods in Entity Bean with Bean Managed Persistence  1  1177
Life Cyle methods in Entity Bean with Container Managed persistence  2  1117
Life cycle methods in stateful session beans? CTS   1  2166
Life cycle methods in stateless Session Beans? Virtusa  3  1610
Difference between javaBeans and Enterprise JavaBeans? Tech-Mahindra   1  2685
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Un-Answered Questions
 
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Explain the architectural relationship between JavaBeans and JTA? 222  
can we stop the execution of a method before completion? 243  
what is mean by dll ? Please answer me. Advance thanks. 19 Excel
can anyone explain me the workflow of EJB.I have developed an app. in WSAD using an example that contains CMP and session bean.But i am not able to understand the basic flow between diffrent packages. 190  
How entity beans support container managed persistence? 494  
how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean? 148 Infosys
In my project iam integrating telephone line using some bridge. To connect my project to that telephone line they have give some jar file. Using dat i connected with that.. To handle that event like call attented, call disposed and idle time they have give one event listener class.. I did every thing and this class is alsoo called when a particular event is fired. The only thing is i wanna call EJB from that event listener method.. But the EJB is not getting initated and exception is thrown. This below shownn error is occured only i try to call it from this event listener class. In other places EJB calling is working fine.. javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org/jnp/interfaces/NamingContextFactory] at javax.naming.spi.NamingManager.getInitialContext (NamingManager.java:657) at javax.naming.InitialContext.getDefaultInitCtx (InitialContext.java:247) at javax.naming.InitialContext.init(InitialContext.java:223) at javax.naming.InitialContext.<init> (InitialContext.java:197) at com.kgisl.etrac.desk.servicelocator.ServiceLocator.getInitia lContext(ServiceLocator.java:82) at com.kgisl.etrac.commonUtils.EventListener.getAdministrationE JBRemote(EventListener.java:206) at com.kgisl.etrac.commonUtils.EventListener.CallDispositioned (EventListener.java:65) Caused by: java.lang.ClassNotFoundException: org/jnp/interfaces/NamingContextFactory at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at com.sun.naming.internal.VersionHelper12.loadClass (VersionHelper12.java:42) at javax.naming.spi.NamingManager.getInitialContext (NamingManager.java:654) ... 6 more javax.naming.NoInitialContextException: Cannot instantiate class: org.jnp.interfaces.NamingContextFactory [Root exception is java.lang.ClassNotFoundException: org/jnp/interfaces/NamingContextFactory] at javax.naming.spi.NamingManager.getInitialContext (NamingManager.java:657) at javax.naming.InitialContext.getDefaultInitCtx (InitialContext.java:247) at javax.naming.InitialContext.init(InitialContext.java:223) at javax.naming.InitialContext.<init> (InitialContext.java:197) at com.kgisl.etrac.desk.servicelocator.ServiceLocator.getInitia lContext(ServiceLocator.java:82) at com.kgisl.etrac.commonUtils.EventListener.getAdministrationE JBRemote(EventListener.java:206) at com.kgisl.etrac.commonUtils.EventListener.CallDispositioned (EventListener.java:65) Caused by: java.lang.ClassNotFoundException: org/jnp/interfaces/NamingContextFactory at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at com.sun.naming.internal.VersionHelper12.loadClass (VersionHelper12.java:42) at javax.naming.spi.NamingManager.getInitialContext (NamingManager.java:654) ... 6 more It would be more help full if i get the solution 10x in advance balaji 123  
TX operation funtion executed by? 563 Satyam
what is mean by API ? Please answer me. Advance thanks. 27 Excel
what is mean by com/Dcom ? Please answer me. Advance thanks. 34 Excel
How can a CORBA object, accessed from a EJB? 182  
How to determine, that beans are TX or not? 119  
what is mean by OLE ? Please answer me. Advance thanks. 20 Excel
explain why we say stateless beans does not maintain conversation state besides statefull maintains conversation state. give some examples... 340 HCL
what is a ejb architecture? and overview of ejb software architecture? 503  
what is the Relationship between EJB and CORBA architecture? 425 IBM
can u explain about design patterns like singleton,builder,factory 272 EdgeSoft
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