Bhumika

• Dec 4th, 2006

A Handle represents a portable reference to a remote EJB object, in that it can be serialized, passed across Java VM boundaries, and then used to reconstitute a remote reference to the same EJB object...

Ashok

• Jun 27th, 2005

A handle is an abstraction of a network reference to an EJB object. A handle is intended to be used as a "robust" persistent reference to an EJB object. 

Answer Question  Select Best Answer

srinivas

• Dec 1st, 2006

All server side programming handle distributed tech (one jvm to another jvm)client staying in one jvm can method of another jvm(server) in another jvm

Raj

• Nov 6th, 2006

Technology which can be accessed among multiple platforms

Answer Question  Select Best Answer

maulin rao

• Nov 30th, 2006

This are call back methods It means container will call this method before it actually activate or passivate the bean. This gives you a chance to put your own logic to do some stuff like logging or clean up.

bhargavi

• Oct 25th, 2006

Ur answer seems to be the one given like a kid

Answer Question  Select Best Answer

s.raja

• Nov 26th, 2006

Hi,         You may did the problems in method creation , method return values ,initializing parameters.So you may not have the equal methods in RemoteInterface and BeanClass.

Answer Question  Select Best Answer

If we call remove() method on remote object, ejb container removes the one row data in a table. if we call a remove() method on home object, container removes object home object.

Arun Kumar

• Nov 23rd, 2006

remove() method call from the client on a session bean instance differs from stateless and statefull bean.For a stateless session bean the remove() does not cause any effect on the bean instance and i...

tarunarora

 Profile Answers by tarunarora Questions by tarunarora

• Nov 14th, 2006

Hi All,remove() method for session bean and entity bean behaves in a very different way...so we need to talk in context to these.remove() in Session bean means that ur done with ur work...n container...

Answer Question  Select Best Answer

Dattatraya

• Nov 14th, 2006

Hi              The following code example work with weblogic 7.0 and ejb1.1Required Build Files:1) build.xml (If ur using ant for depl...

Answer Question  Select Best Answer

Raj

• Nov 7th, 2006

When business method fails due to database connection or any other unexpected exception.

Answer Question  Select Best Answer

Raj

• Nov 7th, 2006

Entity Beans are purely related to database. Each entity bean should be mapped to a database table for data manipulation across distributed application with multiple users.Session Bean are java o...

Answer Question  Select Best Answer

Raj

• Nov 6th, 2006

When ejbFind/ejbSelect(select query) fails entity bean will throw FinderExceptionWhen ejbCreate(insert query) fails entity bean will throw CreateException

Answer Question  Select Best Answer

Raj

• Nov 6th, 2006

Interfaces are used in client to call the implementation class running in server.

Answer Question  Select Best Answer

srikanth

• Nov 2nd, 2006

         Hi,        if user transaction is started on one method and populates across the methods it is possible only on statefull...

Answer Question  Select Best Answer

srikanth-wipro

• Nov 3rd, 2006

 BMP- in bmp u should write jdbc code explicitly for accessing the database. ADV- Container Independent DisAdv-Database dependentCMP- in cmp cantainer will write all jdbc logic u just m...

Answer Question  Select Best Answer

sreekant

• Oct 28th, 2006

hi sreekanth  ur sloution is simply gud

hmashruf

 Profile Answers by hmashruf Questions by hmashruf

• Oct 22nd, 2006

Srikanth,The given solution is simple and works.Thanks, hussain

Answer Question  Select Best Answer

James Samuel

• Oct 27th, 2006

J2EE is Java 2 Enterprise Edition.J2EE is Sun's preferred Java platform for multi-tier enterprise applications.J2EE enhances J2SE with: * Enterprise Java Beans(EJB) components * Java Servlets AP...

Nanda

• Jun 18th, 2006

J2EE is a Software which works as backround infrastructure for our application , and EJB(container) is a part of J2EE Architecture .EJB is useful for Distributed Application.

Answer Question  Select Best Answer

James Samuel

• Oct 27th, 2006

Ejb classes or business components are packaged together and called jar files which are part of the business layer in the runtime. These reside on Application Server. Whereas war modules consists of a...

Anuj Kumar Ratra

• Sep 8th, 2006

Deep down all files EAR WAR JAR are zip files just to differentiate their deployment they are grouped with different extensionsJar for Java fileWar for web acrhives jsp and servletsear for ejbs

Answer Question  Select Best Answer

Answer posted by Mohan on 2005-05-21 17:21:54: yes the rollback will occur

hari ambati

• Oct 25th, 2006

We need to call explicitly.setRollback() Method to roll back the transaction in this. Container calls this automatically in case of system exception or system crashes.

Denis Wang

• Jun 30th, 2005

For declarative transactions, container will rollback on systemException. Container has no way to know whether a speicific application exception is serious enough to roll back the participated transaction. Use setRollbackOnly() to doom the transaction.

Answer Question  Select Best Answer

Raj

• Nov 7th, 2006

B/RMI-IIOP

Answer Question  Select Best Answer

Sankar

• Oct 16th, 2006

Hi,     Yes..All enterprise applications we should use of those two beans(Session,Entity)..  For example, in flight reservation example we use the entityt bean to display the ...

Vikrant

• May 21st, 2006

Yes definately

Answer Question  Select Best Answer

madhu

• Oct 14th, 2006

its just like a unique identity.every entity bean has a primarykey class .in that we have to write code for finding the entity bean.in that class we have to implement hashcode() and equals().

Answer Question  Select Best Answer