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Spring and Java EE 5 (PART 2)
By Debu Panda
jcl wrote: Hi,thank you for this tutorial I'm interested on the first way to intregate Spring and EJB3. I have tried it in a example project buy it doesn't run. I'm searching since many time a solution,but nothing. I have posted on Spring forum,but no one seems can help me. I appreciate if you can help me.Thank you Antonio
Nov. 24, 2009 01:16 PM EST
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A Case Study: Orchestrating Services Using Open Source BPEL
By Rizwan Ahmed
WS-BPEL 2.0 is the dominant specification to standardize orchestration logic and process automation between Web services. The BPEL model is used to assemble a set of discrete, essentially disparate, services into an end-to-end process flow to transform the existing stateless and uncorr...
Nov. 24, 2009 04:30 PM EST  Reads: 405
JPA Under the Hood
By Alois Reitbauer
I recently gave talks on the behaviour of different JPA frameworks at W-JAX(Germany) and TheServerSide Java Symposium (Prague). As some people have asked me, I am publishing the samples as well. I would also give away the eclipse project, however with all the third party libraries I am...
Nov. 24, 2009 01:17 PM EST  Reads: 302
Performance Analysis of Dynamic JavaScript Menus
By Andreas Grabner
In my previous article I talked about the impact of jQuery Selectors on a page that I analyzed. The page took 4.8 seconds in the onLoad event handler. 2 seconds were mainly caused by the selectors as described in the blog. The other 2.8 seconds were caused by a dynamic JavaScript menu ...
Nov. 23, 2009 01:00 PM EST  Reads: 398
Three Ways To Completely Screw Up Your Business
By Per Sjofors
In this article, we will examine three of the most common and deadly mistakes companies make - mistakes that can be easily rectified. If you recognize any of these mistakes in your business, you can and should take immediate corrective action.
Nov. 20, 2009 08:15 AM EST  Reads: 645
Performance Tuning Essentials for Java
By Al Mannarino
In light of today’s compressed development cycles, multi-tiered application architectures and complex technologies, many organizations are challenged to get reliable yet scalable enterprise Java applications out the door in a timely manner. Devoting a small amount of energy throughout ...
Nov. 19, 2009 06:00 PM EST  Reads: 4,146  Replies: 1
Making the Impossible Easy: Failover for Any Application
By Jesse Davis
If your systems require constant accessibility, you know that application failover is an essential function for automatically and transparently redirecting requests to an alternate server in the case of a failure or downtime. Several options exist for ensuring high availability for you...
Nov. 11, 2009 05:30 PM EST  Reads: 1,333  Replies: 1
Performance Considerations in Distributed Applications
By Alois Reitbauer
Distribution and communication between applications and services is a central concept in modern application architectures. In order to profit from distribution you have to keep some basic principles in mind – otherwise you can easily run into performance and scalability problems. Durin...
Nov. 2, 2009 01:45 PM EST  Reads: 1,012
Implementing RESTful Services
By Rizwan Ahmed
The RESTful architectural style [1], with its URL addressable, resource oriented approach allows you to define Web services which can have multiple runtime representation in a variety of different media types. You define a Web resource, encapsulating the desired functionality within a...
Oct. 1, 2009 07:00 PM EDT  Reads: 2,334
Is Your JIT Telling You Lies?
By Paul Murray
Writing meaningful Java benchmarks is a tricky business. It's well known that the Java Virtual Machine's just in time (JIT) compilation process means that running an application for a few seconds won't let you predict the performance of the application over hours or days of uptime. In ...
Sep. 23, 2009 05:30 PM EDT  Reads: 1,164
XPath Support in Oracle JDeveloper 11g
By Deepak Vohra
XML documents can be used to transfer data. The data in an XML document can be retrieved either with the JAXP (Java API for XML Processing) DOM and SAX APIs, or with the JAXP XPath API. Addressing an XML document with XPath has the advantage of selecting a single node directly without ...
Aug. 18, 2009 07:45 AM EDT  Reads: 2,100
Making Cloud a Reality for Enterprises via SOA Governance
By Mala Ramakrishnan; Sriram Chakravarthy; Srini Vinnakota; Chris Nguyen
Cloud computing is slowly gaining credibility and traction in the enterprise world. As giants such as Google and Amazon productize their massive cloud infrastructures, moving enterprise applications to the public cloud seems a more realistic possibility. The advantages of an enterprise...
Jul. 21, 2009 08:15 AM EDT  Reads: 2,848
Anatomy of a Java Finalizer
By Jinwoo Hwang
A couple of patterns that could cause Java heap exhaustion were identified from years of research at IBM. One interesting scenarios was observed when Java applications generate excessive amount of finalizable objects whose classes have non-trivial Java finalizers. A Java finalizer perf...
Jul. 16, 2009 11:45 PM EDT  Reads: 7,316  Replies: 1
How to Diagnose Java Resource Starvation
By Jinwoo Hwang
We can visualize resource starvation using an elaborate rendition of the Dining Philosophers Problem. This classic metaphor of resource allocation among processes was first introduced in 1971 by Edsger Dijkstra in his paper “Hierarchical Ordering of Sequential Processes.” It’s been a m...
Jul. 16, 2009 06:45 PM EDT  Reads: 10,051
Flexing Your .NET 3.5 Skillset
By Jason Dolinger
With the arrival of .NET 3.5, WPF and the RTM of Silverlight 2, .NET developers have more choices than ever for designing, developing and deploying compelling applications with rich user interfaces. However, there are other mainstream alternatives that don’t fall into the .NET camp. Wh...
Jul. 15, 2009 04:00 AM EDT  Reads: 3,790  Replies: 1
Whatever Happened to JAAS?
By Raymond K. Ng
Introduced in 1995, Java has firmly established itself as a mature mainstream programming language for enterprises. The Java platform security model has evolved over the years to meet new requirements, and today enterprise Java developers have a large number of APIs and services to cho...
Jul. 9, 2009 12:00 PM EDT  Reads: 3,665
Oracle 11g Fusion Middleware LiveBlogging and News Analysis
By Miko Matsumura
So what does this say about Oracle's strategy for forming SNORKEL, the Sun acquisition? Well, at the risk of reductio ad absurdum, having bought BEA and Sun, Larry Ellison sees Java as the new SQL
Jul. 2, 2009 04:30 PM EDT  Reads: 1,779
Stress & Load Testing Web Apps (Even ADF & Apex) Using Apache JMeter
By Chris Muir
A couple of years ago I presented Take a load off! Load testing your Oracle Apex or JDeveloper web applications at OOW and AUSOUG. I can't recommend enough the importance of stress testing your web applications, it's saved my bacon a number of times. Frequently as developers, we devel...
Jun. 24, 2009 11:00 AM EDT  Reads: 3,251
A Multi-Core Optimized Software Appliance
By Girish Juneja
In the enterprise IT environment today, modern middleware technologies make it easier to expose existing or new business applications as sets of services. However, with the mashup of cloud-based services and enterprise data center services, the visibility of how a service created today...
Jun. 12, 2009 07:00 AM EDT  Reads: 2,190
Butterfly Effect in Virtualized Environments
By Hezi Moore
In 1969 Edward Lorenz, the famed meteorologist and Chaos Theory proponent, introduced the concept now known as the “Butterfly Effect” when he posed the famous question: “Does the flap of a butterfly’s wings in Brazil set off a tornado in Texas?” The Butterfly Effect theory describes th...
Jun. 10, 2009 12:15 PM EDT  Reads: 1,292
Transforming Internet Datacenters
By John Busch
With the explosive growth of Web-based businesses and applications, datacenter workloads have increased exponentially. IT managers are finding it difficult to meet the accelerating demands for performance, capacity, scalability and reliability, while at the same time meeting budgets, m...
Jun. 9, 2009 12:45 PM EDT  Reads: 1,546
More SOA Transition Bang for Your IT Bucks
By Robert J. Williams Jr.
This article explains how an Open Source SOA Roadmap can use a typical Web application project’s funding as the basis for a successful SOA transition effort. It is the first of three articles that explains how open source technologies and techniques can be leveraged to successfully del...
Jun. 8, 2009 06:15 PM EDT  Reads: 2,157
Why SOA Is a Good Fit for CRM Solutions
By Murali Varmaraja; Nishit Rao
Online commerce is no longer just for consumer products, but also for direct and indirect goods and services. As a result, new demands are placed on classic customer relationship management (CRM) applications. While most have successfully automated customer-facing interactions (such as...
Jun. 7, 2009 10:15 AM EDT  Reads: 4,065
Configuring JDBC in Oracle JDeveloper
By Deepak Vohra
The Java Database Connectivity (JDBC) API is used to access a SQL database from a Java application. JDBC also supports tabular data sources, such as a spreadsheet. Oracle JDeveloper is a free Integrated Development Environment (IDE) for modeling, developing, debugging, optimizing, and...
Jun. 3, 2009 05:45 PM EDT  Reads: 4,542  Replies: 1
The Future of SOA
By Ashesh Badani; Jerry Waldorf
As consumers we are accustomed to the end-user experience of the Internet. With HTTP and XML, you don’t need to have a specific application on your computer to make use of external data – you can just open a browser window and do a search or visit a particular Web site to find the info...
Jun. 2, 2009 11:30 PM EDT  Reads: 2,558
REA Is Where RIA Becomes the Norm
By Chris Muir
Do you believe that the day when programmers could focus on one language in their jobs is gone? Thanks to the ever-changing IT landscape and the uncertain financial times, contemporary developers are expected to work with a wide range of platforms, frameworks, languages as essentially ...
Jun. 2, 2009 10:00 PM EDT  Reads: 8,639  Replies: 2
Java Persistence on the Grid: Approaches to Integration
By Shaun Smith
The Java Persistence API (JPA) is the enterprise standard for accessing relational data in Java. JPA provides support for mapping Java objects to a database schema and includes a simple programming API and expressive query language for retrieving mapped entities from a database and wri...
Jun. 2, 2009 04:00 PM EDT  Reads: 6,121
Zen and the Art of Bug Hunting
By Vicky Larmour
Ask any software engineer about difficult bugs they’ve faced and they’ll always have a story to tell you: the bug that took weeks to track down, the bug that was affecting millions of customers but could not be reproduced by any of the development team, or the bug that brought the enti...
Jun. 2, 2009 06:15 AM EDT  Reads: 1,415
Enterprise Architecture: Hope Or Hype?
By Nagesh Anupindi
When Enterprise Architecture is able to prove that it can bridge the business vision to IT’s tactical operations, its function will no longer be Hype and EA staff members will no longer need to Hope they won’t be cut. Enterprise Architecture will become an organization without which th...
May. 13, 2009 08:15 AM EDT  Reads: 1,978
Agile Methodologies to Improve SOA
By Tony van Büüren van Heijst
Recently industry analysts, press, and bloggers have been writing about the state of service-oriented architecture (SOA) and whether it’s “dead” or in the “trough of disillusionment." These discussions have been fueled by surveys that suggest a decline in the number of organizations co...
May. 9, 2009 12:45 PM EDT  Reads: 2,557  Replies: 1
Standardized Tooling: Building Bridges, Not Walls
By Mike Rozlog
Some walls are necessary. We use brick-and-mortar walls to support buildings and firewalls to protect our computers from attack. But not all walls are good. Consider the Berlin Wall, a wall of segregation. It divided a country and its citizens, but has subsequently been brought down by...
Apr. 29, 2009 03:45 PM EDT  Reads: 1,711
Five Ways Cloud Computing Strengthens IT
By Dustin Amrhein
This is a blog that proposes five distinct ways in which cloud computing solutions can strenghten the efforts of development and test teams within an enterprise.
Apr. 15, 2009 03:00 PM EDT  Reads: 1,902
Why an Application Grid?
By Adam Messinger; Mike Piech
Application servers, those dependable workhorses that run most enterprise Java applications, are rarely a hot topic of conversation these days. As a technology category, the application server appears to be fairly “established” and that the focus has moved elsewhere in the stack, but a...
Apr. 11, 2009 10:00 PM EDT  Reads: 7,262  Replies: 1
Requirements Reuse by Aspect Weaving in Storyboards
By Masayuki Otoshi
I wrote in my previous article, “Interactive Storyboarding with JSP,” that interactive storyboarding is an effective way to define better requirements by eliciting actual business user needs. And I proposed to describe the requirements inJSPs with the J-CASE tag library, which enables ...
Apr. 9, 2009 01:30 PM EDT  Reads: 2,190
Why Enterprise Architecture?
By Jeff Pryslak
The rise of Enterprise Architecture (EA) should be no surprise to any of us, and yet every day businesses either opt out of deploying enterprise architecture, or can’t deploy it effectively. While the Industrial Age was characterized by process-based advances such as assembly lines and...
Apr. 6, 2009 03:30 PM EDT  Reads: 2,613  Replies: 1
An Architecture for Harmonic Content Management Integration
By Vidar Moe
More and more web sites are using portal functionality. Portals are perfect for building mashups and interactive web sites offering a lot of functionality in a single web page. Content is a vital part of most portals. Content management integration in portals has traditionally been tre...
Mar. 23, 2009 12:30 PM EDT  Reads: 1,842
How JVMs Improve Application Performance
By Tom Deneau
This article looks at a Java Virtual Machine (JVM) feature called Escape Analysis in some detail and how the JVM can use it to improve an application's performance. As you'll see, understanding what the JVM can do with escape analysis can help explain some otherwise non-intuitive perfo...
Mar. 16, 2009 06:45 PM EDT  Reads: 4,112
OpenSocial for Application Developers
By Bruno Ropu Rovagnati
OpenSocial defines a common API for social applications across multiple websites. Built from standard JavaScript and HTML, developers can create applications with OpenSocial that access a social network’s friends and update feeds. By using a common API, developers can extend the reach ...
Mar. 12, 2009 07:45 AM EDT  Reads: 2,420
Automation Puts the 'A' in Agile Testing
By Stephen Walters
In the agile community there are many different opinions about the value of automated testing. While many argue about automation's place in agile, the business realities of geographic separation, multiple teams, and limited resources dictate a more pragmatic approach. The process of so...
Mar. 9, 2009 10:30 AM EDT  Reads: 3,319
Developing Rich Client Applications Using Swing - II
By Mauro Carniel
In Part 1 of this article, I introduced rich client development, available architectures for developing rich client applications based on the Swing toolkit, and technologies that could be used to make development more productive. In this second part, I’ll compare the most popular IDEs ...
Mar. 7, 2009 11:00 PM EST  Reads: 13,883
Bit Fiddling in Java with No 'Bit' Type
By Nicole Redmond; David Dieterle
When looking for a language to modernize legacy applications, Java is a strong and viable contender. It offers portability, maintainability, extensibility, and cost effectiveness. However, for some heavy algorithmic time-critical scientific applications, Java may not be an engineer's f...
Feb. 18, 2009 07:00 PM EST  Reads: 2,754  Replies: 1

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