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yourfanat wrote: I am using another tool for Oracle developers - dbForge Studio for Oracle. This IDE has lots of usefull features, among them: oracle designer, code competion and formatter, query builder, debugger, profiler, erxport/import, reports and many others. The latest version supports Oracle 12C. More information here.
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In many cases, the end of the year gives you time to step back and take stock of the last 12 months. This is when many of us take a hard look at what worked and what did not, complete performance reviews, and formulate plans for the coming year. For me, it is all of those things plus a time when I u...
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Modernizing Axis1 Services Painlessly
Migrating with WSAS

If you’ve been working with Web Services for a long time, chances are you’ve worked with Apache Axis and that you have an Axis Web Service somewhere in your code base. You probably also know about the many improvements in Axis2, especially around support for the more modern WS-* standards. So maybe you’ve been planning on migrating these old Axis services, but it can be hard to justify spending a lot of time on something that’s working just fine. However, there’s a great new migration path available to you: WSO2’s Web Services Application Server (WSAS.) With WSAS, you can take your existing Axis Web Service, redeploy it to WSAS, and then with just a few clicks enable things like WS-Security and WS-Reliable Messaging. There’s no need to rewrite or regenerate any code.

Does this sound too good to be true? It’s not, just read on.

Prerequisites
In this article, you’ll work with WSO2 WSAS. You’ll definitely want to download the latest version of WSAS. You can run it with any Java Web container, such as Tomcat. Or you can run it in standalone mode. This article assumes experience with Axis, and in particular with deploying an Axis Web Service. It references a sample from Axis 1.4. Obviously a familiarity with Web Services in general, and with some of the modern WS-* standards is very useful.

Example of an Existing Axis Web Service
Let’s take a typical starting point for a lot of people. You have a service you developed and used Axis to expose as a Web Service. There’s a good chance that the service might not have been originally intended to be a Web Service. Maybe it was just an internal service used by one application. You then realized it would be valuable to other applications you were developing and used Axis to do this. There are a couple of different ways to do this with Axis, but the most powerful and flexible is to use Axis’s Web Service Deployment Descriptor (WSDD.)

Let’s take a look at a sample WSDD. Axis ships several great samples. We’ll use the bid-buy sample. It mimics an e-commerce system. It exposes a Web Service for doing typical e-commerce tasks like requesting a price quote and submitting purchase orders. Let’s take a look at its WSDD file shown in Listing 1.

This is a fairly typical WSDD. It describes two services. Each service has several operations that can be called. It also describes mappings between the parameter types of the service to Java classes. To deploy this you’d use Axis’s deployment tool, the AdminClient.

About Michael Galpin
Michael Galpin is an architect at eBay, specializing in presentation technologies. He has been hacking on the web since the 90s, is a frequent writer for IBM developerWorks, and has a degree in mathematics from Caltech.

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