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제목 : hp developer news ------- May, 2002
글쓴이: HP-AS(HPAS) 2002/05/04 05:11:42 조회수:7120 줄수:863


 
    hp developer news
  This edition of the HP Developer Newsletter has combined the HP Web Services Developer and HP Developer Newsletters. This newsletter will continue to be published monthly to provide the latest tips, tricks and information about HP developer products, tools, services, support, events and opportunities. If you wish not to receive this in the future you may unsubscribe. If you have received this email from a colleague or friend and would like to subscribe, please subscribe.


may 2002
  in this issue  













     

  feature article  
Transactions and Web Services
With the advent of Web Services, service providers who wish to take advantage of this large B2B space are populating the Web. However, there are still important security and fault-tolerance considerations, which must be addressed. One of these is the fact that the Web frequently suffers from failures that can affect both the performance and consistency of applications run over it. For example, if a user purchases a cookie granting access to a newspaper site, it is important that the cookie is delivered and stored if the user's account is debited; a failure could prevent either from occurring, and leave the system in an indeterminate state.

Read the full story:
http://www.hpmiddleware.com/newsletters/hpdevelopernews/feature/may02.html

     

  technical  
Evolving Success Factors for Application Servers
by Jon Maron, HP Middleware
As more and more features get rolled into these J2EE application servers, spurred both by user demand and the competition of vendors busy distinguishing themselves in the marketplace, a new architecture is being pushed by several companies. These companies identify the need for J2EE application servers and the solutions built on them to be adaptable and flexible to new technologies. As the J2EE specification grows, along with Web services, the need for a services oriented approach to application servers and applications is necessary to keep vendors and enterprise development groups responsive and iterative in their deployment.

Jonathan Maron is a distinguished engineer with Hewlett-Packard's middleware division. He was the lead on HP Bluestone's J2EE 1.2 compatibility effort, and also principal architect of the Bluestone EJB 1.1 server. Jonathan is a member of the JavaSoft EJB and J2EE expert groups.

Read the full article:
http://softwaredev.earthweb.com/sdtech/article/0,,12065_999231,00.html

Key Features of UDDI4J Version 2
Ravi Trivedi writes about the new features in the UDDI4J API that will improve the programming and capabilities of Web services.

Ravi is a Technical Lead for the UDDI4j and UDDI teams at Middleware Labs, E-Solutions Division, Hewlett Packard, Bangalore. He holds a masters degree in computer science from the Indian Institute of Science and is an expert group member for HP in JAXR (JSR 93). He is a committer for the UDDI4j project at www.uddi4j.org and has been involved in developing core Web services infrastructure such as UDDI and e-speak. He has been responsible for architecting and implementing some of the very first solutions in production using Web services.

Trivedi is also presenting at Invent 2002, the HP worldwide developer conference, May 28-31 in Las Vegas http://www.hp.com/go/invent2002. His presentation is, "UDDI: Matchmaking for Web Services", and he will be leading one of the Table Topics Lunch Sessions.

Read the full article:
http://softwaredev.earthweb.com/sdtech/article/0,,12065_1006601,00.html

Avoiding Pitfalls in Declarative Security: A roadmap to portable access policy
Applications need to prevent improper access to data and ensure that data integrity can be maintained. To guard against such compromises, developers must first have an awareness of resource sensitivity. Proper safeguards need to be in place within the workplace and development process to ensure that sensitive information isn't inadvertently made available for improper viewing and/or modification.

This article describes certain aspects of J2EE declarative security, in particular how security constraints are used within the Web tier to protect access to resources with varying levels of sensitivity. It also illustrates the use of a sample application as a tool for determining the behavior of a given application server's constraint matching. I'll also share some of the issues I encountered while developing and deploying the sample application across several application server platforms.

Larry McCay, a senior architect for Hewlett-Packard Middleware, has been designing and developing software for over 10 years. Larry has been a major contributor to the Hewlett-Packard Application Server and Netaction Platform and is active within the JCP in the area of security.

Read the full article:
http://www.sys-con.com/java/article.cfm?id=1404

Developing Real-World Web-Services-based applications
by Sandeep Chatterjee, Ph.D.
published April 22, 2002
Web Services are software components that are exposed to a network via a statically-defined interface, allowing other applications to be developed that leverage that exported functionality. Web Services are interesting and differ from other distributed computing technologies because they are based on SOAP messages, which are encoded XML transported over HTTP (among other common protocols). Essentially, Web Services provide a reasonably lightweight and standard mechanism for computer-to-computer communications.

While many believe that "killer apps" will make Web Services catch on, it is in fact a well thought out application architecture that will foster innovation, support short time-to-market, and keep a lid on operational overhead.

Read the full article at www.javaboutique.com.

Extreme Java GUI Testing
Tom Hammell, TID
published: April 24, 2002
The ideas of Extreme Programming (XP) has been considered by most developers as a way to try to produce quality software in today's fasted paced development environment. Although not everyone agrees with all aspects of XP, the idea of unit testing is a widely accepted practice. The basic idea is that tests are written as code is being developed. This allows a developer to keep track of the state of the software as it is being developed and also gives them the ability to easily run regression tests as the code is refactored. With today's short development cycles, developing software without unit tests is like driving down a California freeway at rush hour, blindfolded. You're bound to run into an unexpected problem.

Read the full article at http://www.developer.com.

Write Once, Run Anywhere Web Services
Sandeep Chatterjee, Ph.D.
published: April 22, 2002
The Java programming language gave developers a real ability to write a program once to run on many platforms. Yet, portability is more complicated than just program execution. It involves making an application available across a wide range of platforms and devices.

As IT organizations become more involved in creating web services and applications that use them, developers subsequently begin drilling into ways for immediately utilizing the new technology. What's often overlooked are challenges further down the road, such as maintenance and portability. Many developers haven't yet made portability a priority with web-service applications, but they should if services are to be made truly accessible from anywhere on the internet via standard protocols.

Portability of web services and their associated applications has to do with the complexity of managing the plethora of servers, clients, hand-held devices such as PDAs, cell phones, and digital-entertainment centers. This wide variety of devices makes supporting an application very difficult and expensive. For example, an application may want to make an MP3 file available to a user from a music service, whether that user is sitting in front of a PC, digital-entertainment center, or hand-held PDA. When the application is running on a digital-entertainment center with high-speed network access, the goal may be to optimize the quality of the music playback and perhaps minimize the cost of the web service used. On a hand-held PDA, the application may need to be optimized for audio decode and playback, thus reducing network-bandwidth requirements.

These represent difficult porting challenges. And, it is prohibitively expensive to manage all possible devices and platforms. What is needed is a bridge to connect application requirements with web-service capabilities.

Read the full article at http://www.javaboutique.com.

HP Application Server 8.0 and WebGain TopLink 4.0 Plug In
Object/relational mapping addresses the issue of persisting objects in relational databases. Objects typically reside in system memory at execution time. In order to allow these objects to persist between executions, it is necessary to save them to a permanent storage facility, usually a relational database. There are various ways in which to go about implementing the persistence layer, some more specialized than others.

Read White Paper:
http://dsportal.eservices.hp.com/dspp/files/unprotected/HP-AS_80_TopLink_Integration_RC3-US.pdf.

Itanium Software Conventions and Runtime Architectures
This document describes common software conventions for the Itanium architecture. It does not define operating-system interfaces or any conventions specific to any single operating system.

Read White Paper:
ftp://download.intel.com/design/Itanium/Downloads/24535803s.pdf.

Configuration Guide and Use of HP Products Under Linux
This document describes the use of products available in the HP catalog with Linux and some free software. It gives the state of the support for hardware, software to use, answers to some frequently asked questions and elements of sizing. The goals are to offer a general view of free software functions and their use at best with HP products, to make new users of HP products rapidly operational, and to enable one to choose products based on factual information.

Read this Document:
http://tldp.org/HOWTO/HP-HOWTO/.

PA-RISC/Linux Boot How-To
This document outlines the procedures for getting the current PA-RISC/Linux development kernel to boot on your PA-RISC system. It also explains the functions of PALO, the kernel loader for PA/Linux.

Read this Document:
http://tldp.org/HOWTO/PA-RISC-Linux-Boot-HOWTO/index.html.

     

  tips  
User-Centered Design Tips and Tricks
It is important to ensure that your products are usable and useful to your target audience. Adopting a user-centered design (UCD) approach to product development can help ensure this.

By incorporating UCD, you will keep the end user at the center of product and design decisions. This helps to make the development and design process as objective as possible. The product design will be affected less by whim and more by statistics and user reviews.

Read this article:
http://www.hpmiddleware.com/newsletters/hpdevelopernews/tips/may02_01.html

     

  training  
Web Services Tooling: Get Your Web Services Up and Running
INVENT ONLINE Seminar
June 25, 2002 9:00am PST

This session combines a presentation with demos that highlight a way for developers to discover, view, create, edit and register service interfaces and bindings (i.e. WSDL files registered via UDDI); map service interfaces to and from backend systems; deploy a service and register it; and monitor the HP Web Services Platform runtime. The presenter, Alec Hoag, a technical lead for HP's Web Services Developer Tools program, has experience developing object-oriented data analysis and data visualization products. He has presented classes on object-oriented programming and has given numerous technical talks on web series, object-oriented design and expert system technologies.

Register Here:
http://www.hp.com/go/inventonline

     

  events  
HP Web services products and HP Application Server (HP-AS) Workshop
Saturday, March 23, 2002
Bangalore, India

A four member group from UDDI Team, Bangalore conducted a voluntary one day workshop "Webservices: An UDDI Persepective" for over 250 graduate students at PSG Coimbatore. PSG Coimbatore is a leading Indian university for Computer Science graduates, offering multiple computer science streams. The attraction of the seminar was 3 hour section that offered hands-on experience with a simple Web service, involving all the layers in the Web services stack namely XML, SOAP, WSDL and UDDI.

The Bangalor team discussed HP's e-services strategy and the HP Middleware product offerings. They explained the motivation for webservices and its vision for the coming years. They introduced the Web services stack from the basics and all of sessions were interactive and ended with a questions and answers.

The students created a complete MathService webservice from scratch. It was one of the biggest installations (over 60 machines) of HP-AS, HP Web Services Platform (HP-WSP) and HP Web Services Registry (HP-WSR) in action.
Gartner Group Symposium ITSpring 2002
San Diego, CA
April 28 - May 2, 2002

HP Middleware will be at the Gartner Group Symposium in San Diego. We will be demonstrating the MIS Orchestration of Services and distributing HP Application Server CDs.

For more information on this event:
http://symposium.gartner.com/news/event.php.id.17.html.

Software AG Experience 2002
Software AG Experience 2002
Orlando, FL
May 5 - May 7, 2002

HP Middleware will be at Software AG in Orlando. We will be showing our Web Services Made Easy demo as well as our the integration of their Tamino XML Server/Database with HPAS. HP Application Server CDs will also be distributed.

For more information on this event:
http://www.softwareagusa.com/events/exp2002/.

HP Middleware Limited Customer Release (LCR) Product Information Day
June 11-12, 2002
HP Bristol Labs
Bristol, UK

HP Middleware announces a Limited Customer Release (LCR) Product Information Day. A LCR is a process where, while a product is developed over a period of months, the development and new features of the products are exposed to a limited number of customers. At several specified dates during this period, Hewlett-Packard holds an LCR Information Day where the products are discussed and demonstrated, as they exist at the time.

Attendance at the Information Day provides an opportunity to interact with the developers of the products, to review and test the new products and features delivered in our new releases. Your participation also gives you early access to the several Middleware releases.

During this LCR you will learn about Middleware's new products including:
  • HP Service Integrator
  • HP Web Services Products
  • HP Mobile Products
  • HP Rich Media Platform
  • HP Application Server, HP Message Service, and HP Transaction Service
Participation is limited so be sure to register early.

To register please respond to Karen Esposito before May 20, 2002. Kindly include the attendees' name, address, phone number, and email address.

Rooms have been blocked at the following hotel:

Holiday Inn Bristol North
Filton Road
Hambrook
Bristol
BS16 1QX
Tel: +44 870 400 9014
Fax: +44 117 9569735

When making your hotel reservation, please quote block reference number: 11861. The HP rates are ?0 (US$130) for standard rooms & ?15 (US$161) for superior rooms.

more information:
LCR Invitation
LCR Agenda
LCR FAQ

     

  what's new  
HP Arjuna awarded funding from the European Commission
HP Arjuna Labs (Newcastle, UK) has just been awarded funding by the European Commission of $233,000 for a three-year research project into 'service composition' in partnership with the following academic partners:
  • Universidad Politenica de Madrid (Spain)
  • Universita di Bologna (Italy)
  • Swiss Federal Institute of Technology, Zurich (Switzerland)
  • McGill University (Canada)
  • Universita degli Studi di Trieste (Italy)
  • University of Newcastle upon Tyne (UK)


While the European Commission's 'call' for proposals was heavily oversubscribed, the successful project "ADAPT" (Middleware Technologies for Adaptive and Composable Distributed Components) was awarded after review by independent experts had scored the proposal with a maximum 5! Read this article:
http://www.hpmiddleware.com/newsletters/hpdevelopernews/whatsnew/may02_01.html.

HP Middleware releases 2nd Rich Media technology preview
The idea of leveraging and manipulating unstructured data in the form of digital assets is a new and emerging area for developers. The term "rich media" refers to elements in a broadcast, broadband transmission, media application and/or a Web page that exhibit dynamic motion over time or in response to user interaction.

HP Rich Media technology preview #2 focuses on the metadata framework, storage abstraction, and two new development tools.

Read the full story here:
http://www.hpmiddleware.com/newsletters/hpdevelopernews/whatsnew/may02_02.html

HP listed on XML Signature Interoperability Matrix
With the recently released Web Services Platform 2.0, http://www.hpmiddleware.com/products/hp_web_services/default.htm, HP has been added to the XML Signature Interoperability Matrix http://www.w3.org/Signature/2001/04/05-xmldsig-interop.html of the W3C web site.

HP Web Services Platform 2.0 includes implementations of:
  • XML DSIG
  • XML C14N
  • SOAP-SEC
To download an evaluation version of the Web Services Platform, visit here:
http://www.hpmiddleware.com/download

HPjtune Now Available
HPjtune, now available for "technical preview", is a tool that assists in tuning the Java Virtual Machine (JVM) based on trace data collected in production or in performance testing. This release enables the analysis of the HotSpot JVM Garbage Collector on HP-UX. With its simple concise summaries of Garbage Collection (GC) trace data and intuitive graphical presentation of key metrics, HPjtune makes it easy to interpret GC behavior and tune the JVM to minimize the GC intrusion when the application is running at production loads. A simulation facility allows a user to conduct what-if analysis on heap parameter changes without resorting to expensive test cycles.

Read more:
http://www.hp.com/products1/unix/java/java2/hpjtune/index.html

HP mBuilder 1.5 Technology Preview
HP mBuilder is an easy-to-use GUI tool for developing static and dynamic web pages for mobile devices. HP mBuilder can help you save time by translating your application screens into device specific markup languages; visually displaying your application in different devices; and automatically generating XSL style sheets for you. The new beta version of HP mBuilder is now available; the released product will be available for purchase May 20, 2002. Send questions to: mbuilder@cup.hp.com.

For more information:
http://www.hp.com/GO/mbuilder

Linux Developer Resources
This web site provides a full range of information, including HP's Linux offerings and developer resources; events; news; and community.

Visit the site

hp application server 8.1
The HP Application Server 8.1, the "next-generation" software application server has been released with a focus localizing to various languages. HP-AS 8.1 now allows for use in languages as follows:
  • Documentation is available in Korean, Japanese and English
  • Installers are available in Korean, Japanese, Simplified Chinese, Traditional Chinese and English
  • Trail Maps are available in Korean, Japanese, Simplified Chinese, Traditional Chinese and English
  • Runtime properties are available in Korean, Japanese, Simplified Chinese, Traditional Chinese, French, German, Spanish and English
Read more about hp application server:
http://www.hpmiddleware.com/products/hp-as/default.htm

Download HP-AS:
Click Here to visit the download page

SDK and RTE 1.3 for hp-ux 11i v. 1.5 and 1.6 for Itanium Processor Family
The HP-UX SDK for the Java(tm) platform (HP product B9788AA) provides the Java 2 programming tools and runtime environment which allow you to deploy version 1.3 technology with the best performance on Itanium Processor Family systems running HP-UX 11i versions 1.5 (11.20) and 1.6 (11.22).

For more information:
http://www.hp.com/products1/unix/java/itanium/index.html

EMACS for HP-UX 11
EMACS for HP-UX 11 is the Open Source EMACS editor and development environment from GNU. This site provides specifications, installation information, licensing and download information and more.

For more information:
click here

Agile Business Infrastructure Solution
The HP Agile Business Infrastructure Solution helps enterprises and service providers transition to a service-centric computing model, while protecting investments in existing legacy applications. The solution is a new computing platform comprised of a comprehensive array of HP software products and services, including the Netaction Internet Operating Environment (IOE); other select HP and partner software solutions; and a broad range of HP platform services.

Read more:
http://www.bluestone.com/solutions/default.htm

HP KWDB Kernel/Driver Debugger 0.9
The KWDB Kernel/Driver Debugger for HP-UX is a source-level kernel and driver debugger for the HP-UX operating system, based on the HP WDB (GDB) user-space debugger.

Click here for more information.

HPMD ISV Developments
The HP Middleware ISV "Extend & Enhance" Program is proud to announce the availability of more third party integrations developed by program members. The HPMD ISV "Extend & Enhance" Program supports and recognizes ISVs who integrate their software solutions with HP Middleware's product offerings. To learn more about this program, go to http://www.hpmiddleware.com/HPMD_ISVs/default.htm.

Below is a list of the most recent integrations available from our ISVs that provide caching that improves performance. To learn more about these HP-ISV relationships, contact Megan Sanicki.

Read more:
http://www.hpmiddleware.com/newsletters/hpdevelopernews/whatsnew/may02_03.html

     

  what's online  
download hp middleware products
This is the link that will take you to the download page from which you can download hp middleware products.

http://www.hpmiddleware.com/download.

order hp application server and trail map multimedia CDs
The physical product CDs including the bonus trail map multimedia CD may be purchased for $19.95. To purchase the physical product, please click here.

listserv support
ListServ support is available from hp middleware free of charge. We recommend this service in order to keep in touch with the growing community of hp middleware developers. The following is a link to the available listservs.

http://www.hpmiddleware.com/support/listserv_support.htm

developer solutions partner portal
HP's Developer and Solutions Partner Portal (DSPP) contains software downloads, technical white papers, development tips and techniques, example code and links to other technical site.

http://www.hp.com/dspp

developer gallery
This portal is a dedicated resource for developers using the latest in Java, XML and wireless technologies. Our goal is to help you find the references and tools including: tutorials, demos, documentation, trailmaps and available downloads.

http://developer.hpmiddleware.com

hp netaction software suite
The comprehensive software foundation for the development, integration, and deployment of new revenue generating voice and data services. The hp netaction software suite with its rich portfolio of standards-based software products and solutions, provides a modular, integrated infrastructure that enables you to solve today's business problems and easily transform to a service-centric computing model. This complete, flexible platform enables you to quickly and easily automate web and mobile services for a rapid ROI.

http://www.hp.com/products1/softwareproducts/software/netaction/index.html

     



 


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