Java Web Service (Spring web service)

CONTENT

What and why web service ?
What contract first and contract last ?
Why contract first ?
Steps to create a simple web service (server) with spring-ws
Call Java web service from .NET(C#)
References
Questions & Answers

What and why web service ?


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  • Web service is a standard for building and developing distributed applications
  • Ability to work on all operating systems
  • Expanding interoperability between applications
  • Can be reused
  • Enhancing communication between client and server through the web environment

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Crystal Reports, Version For Eclipse

Install SAP Crystal Reports© software, version for Eclipse in the following ways:

* Already have Eclipse 3.4.1 or higher? Use the Eclipse Update Manager or do a manual installation
* If you don’t have Eclipse, but would like to download it, use the All-In-One package
* Don’t use Eclipse? You can download just the runtime libraries for use with other IDEs
* Download an optional language pack to complete your install.

Eclipse Update Manager

To install Crystal Reports for Eclipse using Eclipse’s built-in Update Manager, follow the instructions below:

* Click on the Help menu, and select Software Updates…

* On the Software Updates and Add-ons dialog, select the Available Software tab.

* Click the Add Site… button. This will display the Add Site dialog.

* Type the following for the Location field: http://downloads.businessobjects.com/akdlm/crystalreportsforeclipse/2_0/update_site/

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* Click OK to complete the wizard. This will add the Crystal Reports for Eclipse software item to the list and start searching for available software.

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How to Break Into a Windows PC (And Prevent it from Happening to You)

Whether you’ve forgotten your password or you have a more malicious intent, it’s actually extremely easy to break into a Windows computer without knowing the password. Here’s how to do it, and how to prevent others from doing the same to you.

There are a few methods to breaking into a computer, each with their own strengths and weaknesses. We’ll go through three of the best and most common methods, and nail down their shortcomings so you know which one to use—and how to exploit their weaknesses to keep your own computer secure.

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How to set up an OpenVPN server

Having a virtual private network affords a lot of convenience, particularly for those who want or need to access a remote network from a different location, such as connecting to a work network from home, or vice versa. With the availability of 3G on the road, or wireless hotspots everywhere, being able to connect, securely, to a remote private network from anywhere is ideal.

OpenVPN is one of the most reliable VPN setups around. It’s fully open source, it’s supported on Linux, Windows, and OS X, it’s robust, and it’s secure. Unfortunately, configuration can be a bit of a pain, so in a series of upcoming tips, I aim to get you up and running quickly.

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Convert Windows XP into a Windows 7 Virtual Machine with Disk2vhd

Would you like to be able to still run Microsoft Windows XP while you get familiar with Windows 7? Well, moving your existing Windows XP system to a virtual machine that you can run in Windows 7 is a relatively easy procedure with the Disk2vhd tool from Microsoft’s Windows Sysinternals team: Mark Russinovich and Bryce Cogswell.

In this edition of the Windows Desktop Report, I’ll show you how to use Disk2vhd, which is a free tool, to move your Windows XP installation into Windows 7 and then run it with Windows Virtual PC.

What is Disk2vhd?

As its name implies, Disk2vhd is designed to create VHD versions of physical disks. This tool can be used to convert systems running Windows XP SP2 and up as well as Windows Server 2003 and up.

To perform this task, the Disk2vhd utility makes use of the Windows Volume Snapshot feature built in to the operating system. When you run Disk2vhd, it first creates a volume snapshot image of the hard disk. It then exports that image into a VHD that you can then add to Windows Virtual PC as well as to Hyper-V Manager.

If you’ll be using Windows Virtual PC, keep in mind that it supports a maximum virtual disk size of 127GB. If you create a VHD from a larger disk it will not be accessible from a Windows Virtual PC virtual machine. Another thing to keep in mind is that Windows Virtual PC doesn’t support the Multiprocessor Specification, and it will not be able to boot VHDs captured from multiprocessor systems.

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    HD Techblog is a collection of knowledge about Information Technology from HD Expertise. We, HD engineers, contribute many different topics from small technical things like programming tips to broad view such as technology trends, business review. Our aim is to help you to find useful knowledge for your work from our expertise.