jagdish

• Sep 15th, 2006

POJO - Plain old Java Objects..Look for article on EJB3.0 on javaworld1) EJB2.0 has Deployment descriptors but in EJB3.0 has no Deployment Descriptors.2) EJB2.0 we have to write Home and Remote Interf...

Deven

• Jul 1st, 2006

POJO - Plain old Java Objects..Look for article on EJB3.0 on javaworld1) EJB2.0 has Deployment descriptors but in EJB3.0 has no Deployment Descriptors.2) EJB2.0 we have to write Home and Remote Interf...

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Srinivas Gorityala

• Aug 11th, 2006

activation and passivation processes are there to solve the problem.

VijayaRamaRaju

• Jul 18th, 2006

Container manages instances in instance pool,It will manage all the client requests.

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Srinivas Gorityala

• Aug 11th, 2006

there is no rule to have one ejb object per stateless session bean.Container may use pooling concept.Most of realtime experts use only pooling concepts.It is under control of container only.

Kiran

• Jun 8th, 2006

This is container specific as it is responsible for hadling the beans. There may be a 1:N or M:N relationship between EJBObject and the session Bean.

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Anil Patel

• Jul 6th, 2006

SB2's transaction attribute should be either "Requires New" or "Not Supported". SB1 can be run in any transaction. It doesn't matter.

kishor

• May 31st, 2006

sb2 should run with transaction attribute "Not Supported", and sb1 with "Supports"

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kaushal

• Oct 6th, 2006

You don't even need to do that. you can use the URL object from an EJB, to invoke a servlet...IMHO.kaushal.

kiran

• Jul 5th, 2006

Yes you can make a servlet as a client and access the EJB. You have to create a WEB-INF folder and in that folder create a classes folder and complie and keep all your class files and depoly.

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Marius

• Aug 4th, 2006

You can use RMI/IIOP skeletons and use CORBA from client side.

anilrpatel2002

 Profile Answers by anilrpatel2002 Questions by anilrpatel2002

• Jul 6th, 2006

Webservice is one of the option.

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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...

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bharanikumariyer

 Profile Answers by bharanikumariyer Questions by bharanikumariyer

• Jun 23rd, 2007

Message driven is like printer,it wont get reply from destination

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Lap

• Feb 11th, 2007

ejbCreate() is a method that must exist in all EJBs, it is a method that will be called by the EJB container to create a remote object when it is requested to do so by the client. ejbPostCreate() only...

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lhariPrasad

 Profile Answers by lhariPrasad Questions by lhariPrasad

• Dec 8th, 2006

One is setting up the entity bean context and the other for session bean context.

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Raj

• Nov 7th, 2006

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

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VishwasGenius

 Profile Answers by VishwasGenius Questions by VishwasGenius

• Oct 4th, 2006

HI!  Sejal Send me important tips that can helpful for all of us

Sejal S

• Aug 18th, 2006

Hi,Making a local call to another EJB sure requires making a JNDI call. But, it doesn't involve the overhead of 'narrowing' operation. i.e. The local call doesn't require the usage of javax....

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sanju

• Jan 24th, 2007

In a distributed system it is the idea that the resources accessed by a user can be anywhere on the network without the user having any idea where the resource is located. A file could be on the user'...

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Sri

• Oct 11th, 2006

Yes ...we need to use isIdentical() for Local Intefaces.equals() compares two objects on the same heap, whereas isIdentical() compares two remote objects.The results of equals() and isIdentical() is different for local interfaces.

Tamilselvan

• Sep 15th, 2006

Answer :I this may exact :isIdentical method only we should use in remote interface of session bean.isIdentical - it checks whether two session bean instances are reff to the same session bean or not isIdentical - also it checks whether two EJBObject same or not

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madhu

• Jan 5th, 2007

By addiing  EJB ref  tag to  deployment descripters(web.xml etc..)

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Raj

• Nov 7th, 2006

B/RMI-IIOP

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Panindrakumar Balellugari

• Jan 5th, 2007

In reality there is no need to get the server name of the bean on which it runs but if you want to get it then you can use SessionContext object to do it.

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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...

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uppulafaq

 Profile Answers by uppulafaq Questions by uppulafaq

• Jan 21st, 2010

Yes, we can update a row using entity bean.ejbStore() will do that.in BMP you have to write code to update the row.

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What is the purpose of the call to PortableRemoteObject.narrow()?

supari

 Profile Answers by supari Questions by supari

• Mar 19th, 2008

I know its related to some CORBA purposes, but i need some explanation

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