Exception handling in EJB, JAVA Programming

Assignment Help:

Java has two kinds of exceptions:

1. Checked exception: handled from java.lang.Exception but not java.lang.RuntimeException.

2. Unchecked exception: handled from java.lang.RuntimeException thrown by JVM.

 

1273_Exception handling in EJB.png

 

EJB has two kinds of exceptions:

1. System   Exception :   is   an   unchecked   exception produced   from java.lang.RuntimeException.   An EJBException is an unchecked exception, which is started from java.lang.RuntimeException.

2. Application Exception : is generic to an application and thrown because of violation of business rules. An Application Exception is a checked exception that is either described by the bean developer and does not import java.rmi.RemoteException.

A  System  Exception  is  given  by  the  system  and  is  not  recoverable. Because the System Exceptions are unpredictable when they occur, the EJB container is the only one responsible for trapping the System Exceptions. The container usually wraps any RuntimeException in RemoteException, which subsequently puts thrown to the caller. In addition to intercepting System Exception the container can give the errors.

 


Related Discussions:- Exception handling in EJB

Educational app, CP5307 Assessment Task 3 Coding Project Specification SP22...

CP5307 Assessment Task 3 Coding Project Specification SP22, 2019 Brisbane Description Another type of app found on app stores are “educational games”. There are immersive full-

I need crime management, I need Crime Management Project Description: ...

I need Crime Management Project Description: It is a web based project build in Oracle(back end) and J2EE(front end)  for peoples so they will register complaints online.

Describe features of spring, Here are some features of spring:- ? Lightw...

Here are some features of spring:- ? Lightweight: spring is lightweight when it comes to size and transparency. The essential version of spring framework is around 1MB. And t

Write html and javascript code for the needs, Write HTML and JavaScript cod...

Write HTML and JavaScript code for the needs shown in the diagram below? When ConvertoUpperCase button is pressed then the entered text is converted to upper case and result is

Inheritance, Draw an inheritance hierarchy to represent a shoe object. The...

Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.

Classes, what is the default modifiers for methods in interface

what is the default modifiers for methods in interface

Online Music Store, Online music store that stores information about song, ...

Online music store that stores information about song, artist, album, customer, playlist. Also all necessary diagrams - use case, uml, erd

Design patterns, what is the use of design pattern in java ?

what is the use of design pattern in java ?

Java applet programming examples, Question: (a) The following is a simp...

Question: (a) The following is a simple example of a Java Class: // File: Welcome.java public class Welcome { public static void main(String args[]) { System.out.printl

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd