Book Image

Oracle SOA BPEL Process Manager 11gR1 - A Hands-on Tutorial

Book Image

Oracle SOA BPEL Process Manager 11gR1 - A Hands-on Tutorial

Overview of this book

BPEL, Business Process Execution Language is the definitive standard in writing and defining actions within business processes. Oracle BPEL Process Manager R1 is Oracle's latest offering, providing you with a complete end-to-end platform for the creation, implementation, and management of your BPEL business processes that are so important to your service-oriented architecture."Oracle SOA BPEL Process Manager 11gR1 – A Hands-on Tutorial" is your guide to BPEL design and development, SOA Suite platform troubleshooting, and engineering in a detailed step-by-step guide working real-world examples and case studies. Using industry-leading practices you will start by creating your first BPEL process and move onto configuring your processes, then invoking, orchestrating, and testing them. You will then learn how to use architect and design services using BPEL, performance tuning, integration, and security, as well as high availability, troubleshooting, and modeling for the future. "Oracle SOA BPEL Process Manager 11gR1 – A Hands-on Tutorial" is your complete hands-on guide to Oracle SOA BPEL Process Manager 11g.
Table of Contents (20 chapters)
Oracle SOA BPEL Process Manager 11gR1 – A Hands-on Tutorial
Credits
About the Authors
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Load balancing issues


The load balancing solution you designed for your SOA Suite composite application must go through the functional validation for load sharing, failover, and failback.

A few facts before we worry about analyzing the load sharing issues. In the case of Active-Active load sharing between multiple sites, it is usually done through L7 load balancers; we are load balancing the users not the payload these users will bring to the application server(s). Ensure that the health checks are configured by the application server process. One should not share the service endpoints serviced by the different processes at the application server. We must validate if the health checks are working as we thought.

In some cases, you may find that the L7 load balancer is not able to perform the health checks implemented for a service endpoint. Ensure that there is a network route for the service endpoints' IP addresses and port from the L7 load balancer appliances.

If you notice that the server...