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Easy Learn Java: Programming Articles, Examples and Tips - Page 287


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An Overview of the Java WSDP 1.5

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A rich set of utilities for the developer

It can be difficult for developers, architects, and managers to keep up with new software packages and releases. This can be especially true with fast moving technologies like Web services. This article provides an overview of the main technologies that comprise the Java Web Services Developer Pack (Java WSDP). For more in-depth knowledge of the WSDP, simply download it and walk through the examples or complete the Java Web Services Tutorial.

In an effort to standardize XML and Web services-related technologies, Sun Microsystems has developed implementations of popular standards and published them under the umbrella title of the WSDP. The toolkit's stated purpose is to simplify the development, testing, and deployment of secure and interoperable Web services. Version 1.5 is the latest release of the WSDP and contains many updates to existing technologies, new features, and a collection of bug fixes. This article will examine the main technologies provided in the WSDP and review their purpose and status.



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Posted by jalex on Friday, January 14, 2005 (00:00:00) (2966 reads)

JMX for Managing Java Applications

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Without a distributed services layer, management help from JMX may be limited

Network and application management is a misnomer. When vendors hawk their application management software, what they are really selling is application monitoring software. Almost all application management products observe the status and behavior of network applications but do not provide much in the way of taking action in response to the observations. When I want to manage something, I want to take action. For example, configuration management is not about just observing and recording changes. That would be revision control. Configuration management will automatically reconfigure a system to conform to a different incarnation, resolve dependencies on specific versions of other systems, and so on. Management does something for you; it doesn't merely alert you that the status of a system has changed and delegate responsive actions to you.

Let's see if the Java Management Extensions (JMX) are truly management extensions or just monitoring extensions. When you begin to work with JMX and peruse the JSR-3 specification, you won't find the terms management and monitoring defined explicitly. Still, you get the general feeling that the specification recognizes that management and monitoring are two separate activities. Monitoring supports management activities by reporting the status of a system. Management allows you to make changes to a system, often in response to monitoring results.

Full article here



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Posted by jalex on Thursday, January 13, 2005 (00:00:00) (2593 reads)

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