J Optimizer 2009 supports most of the leading commercial and open source Java application servers, including:
- Apache Geronimo 1.1.1
- Apache Geronimo 2.0
- Apache Tomcat 5.0
- Apache Tomcat 5.5
- Apache Tomcat 6.0
- BEA WebLogic Application Server 9.2 MP3
- BEA WebLogic Application Server 10.1 MP1
- IBM WebSphere 6.1
- IBM WebSphere 6.1 with EJB 3 Feature Pack
- JBoss 3.2.6
- JBoss 4.0.5
- JBoss 4.2
- JBoss 5.0
- Oracle Application Server 10.1.3.3 (support for J Optimizer agent only)
- Sun GlassFish V1.1 UR1
- Sun GlassFish V2.0 UR2
- Jetty 6.1 (support for J Optimizer agent only)