JRun 3.x: Using Dynamic JSP Includes Require the Flush Attribute
Using Dynamic JSP includes (such as <jsp:include page="somejsp.jsp" />) will set the HTTP response header "Connection" to close unless you set the flush property in the JSP tag. Find out more about static includes, dynamic includes, and the Flush Attribute in JSP in this article.
JRun 3.x: Using Dynamic JSP Includes Require the Flush Attribute