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EJB Interview Questions and Answers

Question - What is local interface. How values will be passed?

Answer - An EJB can use local client view only if it is really guaranteed that other enterprise beans or clients will only address the bean within a single JVM. With local client view, you can do pass-by-reference, which means your bean, as well as the client, will work directly with one copy of the data. Any changes made by the bean will be seen by the client and vice versa. Pass-by-reference eliminates time/system expenses for copying data variables, which provides a performance advantage.

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Session state has created a session id, but cannot save it because the response was already flushed by the application.

Server Error in '/' Application.

Session state has created a session id, but cannot save it because the response was already flushed by the application.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: Session state has created a session id, but cannot save it because the response was already flushed by the application.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[HttpException (0x80004005): Session state has created a session id, but cannot save it because the response was already flushed by the application.]
   System.Web.SessionState.SessionIDManager.SaveSessionID(HttpContext context, String id, Boolean& redirected, Boolean& cookieAdded) +4473175
   System.Web.SessionState.SessionStateModule.CreateSessionId() +95
   System.Web.SessionState.SessionStateModule.DelayedGetSessionId() +109
   System.Web.SessionState.SessionStateModule.ReleaseStateGetSessionID() +24
   System.Web.SessionState.SessionStateModule.OnReleaseState(Object source, EventArgs eventArgs) +854
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +142
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +93


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4805.0