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Oracle WebLogic Server 12c Advanced Administration Cookbook

You're reading from   Oracle WebLogic Server 12c Advanced Administration Cookbook If you want to extend your capabilities in administering Oracle WebLogic Server, this is the helping hand you've been looking for. With 70 recipes covering both basic and advanced topics, it will provide a new level of expertise.

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Product type Paperback
Published in Jun 2013
Publisher
ISBN-13 9781849686846
Length 284 pages
Edition Edition
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Author (1):
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Dalton Iwazaki Dalton Iwazaki
Author Profile Icon Dalton Iwazaki
Dalton Iwazaki
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Table of Contents (15) Chapters Close

Oracle WebLogic Server 12c Advanced Administration Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Install, Configure, and Run FREE CHAPTER 2. High Availability with WebLogic Clusters 3. Configuring JDBC Resources for High Availability 4. Configuring JMS Resources for Clustering and High Availability 5. Monitoring WebLogic Server 12c 6. Troubleshooting WebLogic Server 12c 7. Stability and Performance 8. Security Index

Using Unicast for cluster communications


The Oracle WebLogic Server 12c can use either Multicast or Unicast for cluster communications. Since WebLogic version 10, the default cluster communication is the Unicast.

To improve Unicast reliability it's recommended to enable two extra configurations.

Getting ready

The first thing is to add a JVM argument to every WebLogic Managed Server instance of the cluster. The Administration Server must be running to make the changes.

After adding the JVM argument, the config.xml configuration file must be manually edited to make the second change. Therefore you will need to make sure every WebLogic Server instance is down, including the Administration Server.

How to do it...

Add the JVM argument:

  1. Access the Administration Console with your web browser at http://prod01.domain.local:7001/console.

  2. Click on the Lock & Edit button to start a new edit session.

  3. Navigate to Configuration | Server Start by clicking on the WebLogic Server name, then on the Server Start...

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