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(minus) Tomcat 6.0 / 7.0: Sakai 2.7 8 has not been tested in Tomcat 6.0 or 7.0 and will not run in either version of Tomcat without configuration changes. Adopters are advised to stay with the Tomcat 5.5. series.

(warning) JAVA_OPTS: running Sakai 2.x in Tomcat 5.5.27+ requires JAVA_OPTS modifications (see below).

(info) Sakai installations should always be accompanied by a fresh install of Tomcat. It provides a clean environment that simplifies troubleshooting if problems are encountered during the startup phase.

The Apache Tomcat servlet container provides an ideal environment for running Sakai as a web application. Tomcat implements both the Java Servlet and JavaServer Pages (JSP) specifications and can be run in standalone mode or in conjunction with a web application server such as the Apache HTTP server or JBoss. Sakai 2.7 works with the Tomcat 5.5 series. Note however that using

Tomcat 5.5.27+ requires the addition of a JAVA_OPTS parameter (see below).Tomcat can be downloaded as a binary install from


(thumbs up) Good: C:\opt\tomcat\, C:\sakaistuff\installs\tomcat\
(thumbs down) Bad: C:\program files\tomcat\, C:\opt\apache tomcat 5.5.33\