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|Tomcat - JSP/Servlet container|
|Struts - A MVC web framework|
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|JDOM - JDOM XML Parser|
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Struts & Hibernate
Iam facing one problem with CMP bean. My requirement is trying to update
the primary key values.
The primey key is composite(Table Field_lkp contains 2 columns lkp_nm and
I am sorry as I know this problem is not related to this list but if
anybody could throw some light on this I will be thankful.
I got a maintenance code in which somebody is getting the DB If you are using the DAO pattern you may be interested
in this article.
Advanced DAO Programming
While deploying a war file on weblogic 6.1 I am getting java.lang.reflect.UndeclaredThrowableException error can any one help me solving this problem.
In petstore I find there are two kinds of service
locators one is for the web tier the other for the
In web tier a componentManager gets locator instance
by invoking static mHi everyone
PatternsCentral now has 14 downloads of sample chapters from books
specifically dealing with patterns. These chapters/excerpts have been
provided by the publishers Prentice Hall/Addihi
Can anyone give me the pointer to new patterns .
this has list of new patterns but the documentation and samples are not
http //developer.java.sun.com/developer/technicalArticles/J2EE/JI will be out of office from 1st Oct to 5th Oct.
Please contact Ng Chee Mun or Syn Peck Khay for any official matter.
This e-mail is intended only for the named addressee(s) and may contain confHi
I heard of the ejbs cannot access local file system
is it true? if true I wonder how ejbs do logging
into files such as printing debug info.
In addition if there are two session beans wHi
In petstore there is EJB controller as
public class EJBControllerLocalEJB implements
protected StateMachine sm
protected SessionContext sc
public EJBControSymantec AntiVirus found a virus in an attachment you (An interest list for
Sun Java Center J2EE Pattern Catalog <J2EEPATTERNS-INTEREST@(protected) >)
sent to J2EEPATTERNS-INTEREST@(protected)
I will be out of the office starting 09/24/2003 and will not return until
I will respond to your message when I return.
thanks for your suggestions!
Keely Yes your understanding of the scenario is correct...
...and there is one more dimension of my problem to think about
The material data has Hi all
i have a question belonging to the realization of data objects.
Which approach or pattern is appropriate to solve the following problem
- We are developing a supply chain management aI have an interesting architectural related question. Please pardon me if you
don 't feel that this question belong to this list.
Basically we want to do an enhancement to our Multi-threaded ServeHi
Going through the core patterns book.
There is a bad practice dedicated to not using finder methods when large
result is expected but use a DAO instead.
My understanding is that the authors waHi All
Is it a good practice/idea to call session.invalidate
in the Login Servlet / Login Action class.(if we use struts framework)
Below is the piece of code
// Get the existing sessiWell let 's talk about the new ones )
I bought the 2nd edition of the book Core J2EE Patterns. And I say it 's
a really nice work filling some more gaps and going ahead towards a
complete patteHi J2EE experts/gurus
I was wondering - what is the general feeling of people building J2EE
applications on using EJB 's (or I should say session beans) in
conjunction with a DAO layer implemenHi all
I have the following problem.
In my web application there is a business layer that provide some beans to
the GUI. In some cases the GUI ask for a set of beans of the same class.
I have saw a lot of discussion about ServiceLocator pattern and I get some
http //www.javaranch.com/newsletter/Jan2003/slcode.html show a
implementation of this pattern.
This imI seek clarification about Business Delegate pattern.
If business services is implemented as normal class then user must start
Transaction Explicitly. But then why should not one use Session FacadHi All
Did any one designed and developed Rule Based Architecture using XML and J2EE.
I need to design and develop a system which contains Element and Business Rules. I need to change rules on theHi
Is there a pattern for solving the following problem
Assume that there are several predefined events. It is required to map a communication message
(using some protocol) into one of the predHi all
In "The Core J2EE pattern " book the Composite Entity Pattern is recommended for the Coarse-Grained Entity bean. But in another book - "the EJB Pattern " which is available in theserversideI wonder if this independent self-funded research work is of interest to anyone working with JSR77 listening to this patterns forum
In a nutshell the reseaJSP ------- >Session Bean
|----- >Begin UserTransaction
|----- >Perform Database updates
|----- >Perform non-EJB task
---- > if unsccessHi
My Archirecture goes like this..
I have to convert my entire JSP screen into XML and send it to my Bean for processing.
I will be out of the office starting 08/23/2003 and will not return until
I will respond to your message when I return.