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

JVM issues


The Oracle SOA Suite application runs within a Java Virtual Machine (JVM). Therefore, the following JVM-related issues can happen with your SOA composite application platform:

  • JVM crash: This is a rare issue but does happen in some deployments. Please ensure that you have got the correct and Oracle SUN certified Java binaries for your server platform. Even a small mismatch can cause the JVM to crash.

  • OutofMemory errors and Memory leaks: If the initial deployment throws OutOfMemory errors then go ahead and tune the JVM size as discussed in Chapter 7, Performance Tuning – Systems Running BPEL Processes. If you are randomly getting OutofMemory errors, it is most likely your allocated memory is not sufficient for the thread count configured for the application server(s). Go back to testing lab and run the load scenarios to identify memory and thread count settings. One must identify the root cause for memory leaks as this is usually due to the bad application design, third party library...