NonStop Servlets for JavaServer Pages (5.0) System Administrator's Guide

Programming and Management Features

NonStop Servlets for JavaServer Pages (NSJSP) System Administrator’s Guide—525644-002

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Figure 4-1 shows that the operator commands received by the iTP WebServer are

directed to the nsjspadmin server. Figure 4-2 shows that when the Commit Changes

button is clicked, the nsjspadmin server first updates the iTP_server.xml

configuration file, then broadcasts all the previously saved changes in a chunk to every

running server instance of the SERVLET ServerClass. As a result, the subsequently

created servers have the same configuration as the currently running servers.

The admin web application uses the FORM method for its login control and uses the

admin role for its access control (by default). You should configure the admin web

application in a private virtual host so that security is not a concern. However, if you

Figure 4-1. Operator Save Command

Figure 4-2. Operator Commit Changes Command

httpd

nsjspdmin

server

httpd

object browses,

updates, &

“SAVE”

httpd

nsjspdmin

server

Servlet httpd

httpd

servlet

broadcast

Select “Commit

Change” button

iTP_server.xml

update Read by new

dynamic

servers