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.

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Oracle SOA BPEL Process Manager 11gR1 - A Hands-on Tutorial
Jun, 2013 | 330 pages
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Table of Contents (20 chapters)
Oracle SOA BPEL Process Manager 11gR1 – A Hands-on Tutorial
Oracle SOA BPEL Process Manager 11gR1 – A Hands-on Tutorial
Credits
Credits
About the Authors
About the Authors
Acknowledgement
Acknowledgement
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Creating Basic BPEL Processes
Creating Basic BPEL Processes
Evolution of web applications
Evolution of integration technologies
An introduction to BPEL
Installing and configuring BPEL Process Manager
Creating an SOA Suite domain
Creating sample BPEL business processes
Deploying BPEL business processes
Testing and managing BPEL business process instances
Summary
2
Configuring BPEL Processes
Configuring BPEL Processes
Understanding the BPEL language framework
BPEL activities
Selecting the timeout value for synchronous processes
BPEL correlation
Creating property aliases
Adapters
Summary
3
Invoking a BPEL Process
Invoking a BPEL Process
Communicating between BPEL to/from Java
Invoking a service from a BPEL process
Invoking Java from BPEL
Configuring BPEL timeouts
Summary
4
Orchestrating BPEL Services
Orchestrating BPEL Services
Orchestration
Designing orchestration
BPEL variables
Human Task
Business Rules engine
Summary
5
Test and Troubleshoot SOA Composites
Test and Troubleshoot SOA Composites
Testing SOA composites from the EM
Testing a composite from JDeveloper
Viewing instances and messages on JDeveloper
Creating a test suite
The Dehydration Store
Troubleshooting
BPEL Process Manager logging
The MBean browser
Summary
6
Architect and Design Services Using BPEL
Architect and Design Services Using BPEL
Services architecture and design guidelines
Services-based application design
Interaction design patterns
Event-Driven Architecture (EDA)
Human tasks
Summary
7
Performance Tuning – Systems Running BPEL Processes
Performance Tuning – Systems Running BPEL Processes
The Java Virtual Machine
SOA Suite
Load balancers
Operating system
Database
Summary
8
Integrating the BPEL Process Manager with Service Bus, Registry, and SOA Deployment
Integrating the BPEL Process Manager with Service Bus, Registry, and SOA Deployment
The SOA composite application architecture
Oracle Registry
Service bus
SOA Suite deployment
Summary
9
Securing a BPEL Process
Securing a BPEL Process
Securing a BPEL process
Summary
10
Architecting High Availability for Business Services
Architecting High Availability for Business Services
SOA environment
Cluster architecture
Backup and recovery strategy
Data center(s)
Oracle Service Bus
Summary
11
The Future of Process Modeling
The Future of Process Modeling
Commercial off-the-shelf (COTS)
The evolution of business process modeling
Business Process Management (BPM)
Summary
12
Troubleshooting Techniques
Troubleshooting Techniques
JVM issues
Application issues
Database issues
CPU spikes
Load balancing issues
SSL issues
Network issues
User activity issues
Extending to a domain
Summary
Index
Index

Operating system

Always use a 64-bit operating system instead of a 32-bit one for the Oracle SOA Suite as a 32-bit operating system limits the available JVM memory. Verify the CPU and memory usages under the expected load conditions for the host running the SOA Suite application platform for potential bottlenecks. The CPU usage can be viewed by using the top command for Linux. The memory can be verified by using free –t –m or vmstat. For Windows, use the command systeminfo.

File descriptors

The default values of file descriptors in the Linux operating system will not be enough to handle the required number of concurrent connections by SOA Suite. The operating system parameter ulimit sets the system-wide resource limit for a user. The default value of 1024 for a user is too low for running an Oracle SOA Suite application. Use the ulimit or sysctl Linux commands to change the default value to at least 8192 by executing the following command:

ulimit -n 8192

The following message in the logfile...

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