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 Categories  >>  Software  >>  Java J2EE  >>  Java Related  >>  EJB       
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How does a container, manage access, from multiple transactions on an entity bean?  1  672
How Stateful Session bean will store its State ?  1  1011
How does EJB 2.0 improve support for interoperability between EJB containers and other J2EE products?  1  650
How do identify two same entity beans?  1  809
In bean managed transactions, how session bean can be configured?  1  751
How stateful session beans will maintain consistency, across transaction updates?  2  845
How EJB component can in interact with COM/DCOM components?  1  514
Can stateful session beans are persistent?  2  782
Explain the architectural relationship between EJB & XML? Wipro  1  1319
Describe client view of an Enterprise JavaBeans component? Wipro  1  975
What is Introspection ? Wipro  1  1347
Explain the Sotware Architechture of EJB? Wipro  1  1249
How enterprise beans will handle concurrent and loopback calls on entity beans? Wipro  1  969
How bean-managed transactions will work? Wipro  1  1221
Why does EJB needs two interfaces, Home and Remote Interface?  3  1501
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Un-Answered Questions
 
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how can u integrate ejb and hibernate? How can u call hibernateDAO methods in session bean? 148 Infosys
How can a CORBA object, accessed from a EJB? 182  
what is a ejb architecture? and overview of ejb software architecture? 503  
How to determine, that beans are TX or not? 119  
what is the Relationship between EJB and CORBA architecture? 425 IBM
TX operation funtion executed by? 563 Satyam
explain why we say stateless beans does not maintain conversation state besides statefull maintains conversation state. give some examples... 339 HCL
what is mean by com/Dcom ? Please answer me. Advance thanks. 34 Excel
Explain the architectural relationship between JavaBeans and JTA? 222  
can we stop the execution of a method before completion? 243  
what is mean by OLE ? Please answer me. Advance thanks. 20 Excel
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 122  
what is mean by API ? Please answer me. Advance thanks. 27 Excel
can u explain about design patterns like singleton,builder,factory 272 EdgeSoft
what is mean by dll ? Please answer me. Advance thanks. 19 Excel
How entity beans support container managed persistence? 494  
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  
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