OC Systems Expands Support for Sun^TM ONE; 
RootCause^TM Supports Sun ONE Application Server 7

RootCause for J2EE^TM Platform extends logging and debugging of deployed Java applications to Sun's newest application server

SAN FRANCISCO, Calif.,—SunNetwork^SM 2002 Conference and Pavilion—September 18, 2002—OC Systems, Inc. today announced that RootCause for the Java™ 2 Platform, Enterprise Edition (J2EE™), its Java technology application problem management tool, supports the Sun™ Open Net Environment (Sun ONE) Application Server 7 product line. Companies using Sun ONE to deliver Web-based applications and Web services will be able to resolve software defects and performance problems in deployed applications faster, improving reliability and availability. Additionally, RootCause is SunTone^SM certified demonstrating best practices for the delivery of web-based services.

RootCause acts like a flight recorder for J2EE technology-based applications, collecting information about the execution as it runs. When a problem occurs, developers can step through the execution and perform root cause analysis without having to reproduce the problem. No changes are made to any application files and no source code is required, so RootCause can provide insight into third-party applications as well as code written in-house.

"Our support for Sun ONE Application Server 7 reinforces our commitment to Sun ONE," said Oliver Cole, president of OC Systems. "The Sun ONE Application Server is a significant step forward, and the investment Sun has made in their application server demonstrates the long-term vibrancy of the J2EE technology market. Development organizations that choose Sun ONE Application Server will now be able to use RootCause to debug performance and correctness problems throughout the software development lifecycle, even into the operational environment."

"As organizations demand increasingly high levels of reliability, performance and availability, applications like RootCause will help commercial software developers and senior support staff eliminate software problems more efficiently," said Mark Bauhaus, vice president, Java Web Services, Sun Microsystems, Inc.

RootCause traces J2EE technology-based applications at the Java™ servlet and Enterprise JavaBean™ (EJB™) component level, providing information on calls, timing of calls, and their use of other J2EE technology areas such as JDBC™ and Java™ Message Service (JMS). RootCause performs the tracing using bytecode insertion, which minimizes overhead and complements current logging mechanisms. No changes are made to any application files, including the Java Virtual Machine (JVM). Dynamically generated code can be traced, as well as an app server clustered across multiple JVMs. Developers can configure the level of detail they wish to obtain, and can customize tracing by placing similar probes on their J2EE technology-based code.

In addition to Sun ONE Application Server 7, RootCause for J2EE Platform Edition supports WebLogic, WebSphere, JBoss, Tomcat, and other application servers that use standard Sun's Java Runtime Environments.

About OC Systems
OC Systems, Inc. provides state-of-the-art software tools, development environments, and services that maximize software quality and application availability to companies that are developing and maintaining e-business and other mission-critical systems. Customers include Lockheed Martin, IBM, Sun Microsystems, Unisys, Sandia National Laboratories, TRW, UUNET, Cognos, Intel, SAIC, Veridian Engineering and the U.S. Army. Founded in 1983, the employee-owned company is based in Fairfax, Virginia. More information may be obtained at http://www.ocsystems.com or by visiting OC Systems at booth A29 in the Application Development and Deployment section of SunNetwork Pavilion.

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RootCause is a trademark of OC Systems, Inc. in the United States and other countries. Java and J2EE are trademarks or registered trademarks or service marks of Sun Microsystems, Inc. in the United States and other countries.