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Oracle® Fusion Middleware Configuring and Using the Diagnostics Framework for Oracle WebLogic Server
12c Release 1 (12.1.1)

Part Number E24426-02
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1 Introduction and Roadmap

This document describes the WebLogic Diagnostics Framework (WLDF), a monitoring and diagnostic framework that defines and implements a set of services that run within WebLogic Server processes and participate in the standard server life cycle. Using WLDF, you can create, collect, analyze, archive, and access diagnostic data generated by a running server and the applications deployed within its containers. This data provides insight into the run-time performance of servers and applications and enables you to isolate and diagnose faults when they occur.

The following sections describe the contents and audience for this guide—Configuring and Using the WebLogic Diagnostics Framework:

What Is the WebLogic Diagnostics Framework?

WLDF includes several components for collecting and analyzing data:

WLDF provides a set of standardized application programming interfaces (APIs) that enable dynamic access and control of diagnostic data, as well as improved monitoring that provides visibility into the server. Independent Software Vendors (ISVs) can use these APIs to develop custom monitoring and diagnostic tools for integration with WLDF.

WLDF enables dynamic access to server data through standard interfaces, and the volume of data accessed at any given time can be modified without shutting down and restarting the server.

Document Scope and Audience

This document describes and tells how to configure and use the monitoring and diagnostic services provided by WLDF.

WLDF provides features for monitoring and diagnosing problems in running WebLogic Server instances and clusters and in applications deployed to them. Therefore, the information in this document is directed both to system administrators and to application developers. It also contains information for third-party tool developers who want to build tools to support and extend WLDF.

It is assumed that readers are familiar with Web technologies and the operating system and platform where WebLogic Server is installed.

Guide to This Document

This document is organized as follows:

Related Documentation

Samples and Tutorials

In addition to this document, we provide a variety of samples and tutorials that show WLDF configuration and use.

Avitek Medical Records Application (MedRec) and Tutorials

MedRec is an end-to-end sample Java EE application shipped with WebLogic Server that simulates an independent, centralized medical record management system. The MedRec application provides a framework for patients, doctors, and administrators to manage patient data using a variety of different clients.

MedRec demonstrates WebLogic Server and Java EE features, and highlights recommended best practices. MedRec is included in the WebLogic Server distribution, and can be accessed from the Start menu on Windows machines. For Linux and other platforms, you can start MedRec from the WL_HOME\samples\domains\medrec directory, where WL_HOME is the top-level installation directory for WebLogic Platform.

WLDF Samples Available for Download

Additional WLDF samples for download can be found at http://www.oracle.com/technetwork/indexes/samplecode/index.html. These examples are distributed as .zip files that you can unzip into an existing WebLogic Server samples directory structure. These samples include Oracle-certified ones, as well as samples submitted by fellow developers.

New and Changed Features in this Release

For a comprehensive listing of the new WebLogic Server features introduced in this release, see What's New in Oracle WebLogic Server.