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<h1 id="installation">5.2 Installation</h1>
<h2 id="Containers">Installing Struts with your servlet container</h2>
<div class="indent">
<h4 id="jrun">JRUN 3.0 SP2A, VERSION 3.02A.11614</h4>
<strong>Tested with: Microsoft IIS 5.0, Windows 2000</strong>
<h4>Important Note:</h4>
<p>At the moment, JRun is not fully compliant with the JSP 1.1/1.2
specification. </p>
<p>Specifically, the automatic type conversions for custom tag parameters
specified in "Issue 7" of the JSP 1.1 Errata and in the JSP 1.2 Proposed
Final Draft have not yet been implemented.</p>
<p>As it stands, JSP pages that make use of Struts taglibs whose parameters
require conversion (such as booleans) will not compile under JRun. This
includes the Struts Example Application. Attempting to run the example
application will result in an exception similar to the following being
thrown:</p>
<pre>
/struts-example/index.jsp:
javax.servlet.ServletException: Compilation error occurred:
allaire.jrun.scripting.DefaultCFE:
Errors reported by compiler:
c:/JRun/servers/default/Struts
Example/WEB-INF/jsp/jrun__index2ejspa.java:41:1:41:27:
Error: No match was found for method "setLocale(java.lang.String)".
</pre>
<p>(For more details see refer to:<br />
<a href="http://www.mail-archive.com/struts-user@jakarta.apache.org/msg01860.html">http://www.mail-archive.com/struts-user@jakarta.apache.org/msg01860.html</a>)</p>
<p>The following instructions describe how to install the Struts Example
Application under JRun. A subsequent section describes how the Struts Example
Application can be patched to work with Struts</p>
<p>The following instructions assume the following:</p>
<ul>
<li>JRun has been installed and integrated with the web server of choice.</li>
<li>$APP_SERVER_NAME is the name of the application server used to host the
application. (When JRun is first installed, it creates an application
server called JRun Default Server).</li>
<li>$APP_SERVER_DIR is the directory used to hold applications hosted by
$APP_SERVER_NAME. For the JRun Default Server, the directory is
$JRUN_HOME/servers/default where $JRUN_HOME is the directory where
JRun is installed.</li>
</ul>
<h4>Installing the struts example application</h4>
<ul>
<li>Login to the JRun Management Console.</li>
<li>On the left pane, select $APP_SERVER_NAME. A page showing the
current server status will be shown on the right pane.</li>
<li>On the right pane, click on the WAR Deployment link. A page
containing a list of the currently deployed web applications will be
shown.</li>
<li>On the right pane, click on Deploy an Application. Complete the Web
Application Information form as follows:
<ul>
<li>Servlet War File or Directory: Enter the full path where
struts-example.war is found or click on Browse to select
the path.</li>
<li>JRun Server Name: $APP_SERVER_NAME</li>
<li>Application Name: Struts Example</li>
<li>Application Hosts: All Hosts</li>
<li>Application URL: /struts-example</li>
<li>Application Deploy Directory: will default to
$APP_SERVER_NAME/Struts Example (or the name as specified for
Application Name).</li>
</ul>
</li>
<li>Once the form is complete, click on the Deploy button.</li>
<li>If deployment is successful, restart the application server by
clicking on <code>$APP_SERVER_NAME</code> on the left pane. A page showing the
current server status will be shown on the right pane. Click the
Restart Server button to restart the application server.</li>
<li>Test the sample application by using the following URL in the
browser:<br />
<code>http://hostname/struts-example/index.jsp</code>
<br />
The struts-documentation.war can be installed using the same
procedure.</li>
</ul>
<h4>Installing unpacked web applications</h4>
<p>The above steps should be followed for applications deployed as <code>*.war</code> files.</p>
<p>For unpacked web applications, configuration involves the following steps:</p>
<ul>
<li>From the JRun Management Console, select <code>$APP_SERVER_NAME</code> (on the
left pane) and click on WAR Deployment (on the right pane).</li>
<li>On the right pane, click on Create an Application and complete the
Web Application Information form as follows:</li>
<li>JRun Server Name: $APP_SERVER_NAME
<ul>
<li>Application Name: myApplication</li>
<li>Application Hosts: All Hosts</li>
<li>Application URL: /myApplication</li>
<li>Application Deploy Directory: will default to<br />
<code>$APP_SERVER_NAME/myApplication</code>
</li>
</ul>
</li>
<li>Click on Create to submit the form.</li>
<li>Once the web application is created, install and configure the struts
components (struts.jar, struts*.tld, etc) for the web application under
<code>$APP_SERVER_NAME/myApplication/WEB-INF</code>
</li>
<li>Install the remaining components of the application: .class files,
JSP pages,.properties files etc as required.</li>
<li>To configure the extension mapping of the request URI (ie *.do) to
the action servlet, expand <code>$APP_SERVER_NAME</code> on the left pane, expand
the Web Applications branch and click on myApplication. The right pane
will display the configuration options for myApplication. Click on
Servlet URL Mappings. A list of existing mappings will be shown. Click
the Edit button and create the following entry:
<ul>
<li>Virtual Path/Extension: *.do</li>
<li>Servlet Invoked: action</li>
</ul>
</li>
<li>Click on the Update button to save the changes.</li>
<li>Restart the application server.</li>
<li>The application should now be accessible from the browser.</li>
</ul>
<p>The JRun application server will need to be restarted each time one of the
following changes are made to the web application:</p>
<ul>
<li>
<code>.class</code> or <code>.jar</code> files are modified</li>
<li>
<code>.properties</code> files are modified</li>
<li>
<code>.xml</code> files are modified</li>
</ul>
<h4>Patching the struts example application</h4>
<p>As mentioned at the beginning of these notes, the Struts Example Application
will not run under JRun without modification. The following changes will need
to be made:</p>
<ul>
<li>index.jsp, logon.jsp: Change <html:html locale="true"> to <br /><html:html locale=<%= true %>></li>
<li>logon.jsp: Change <html:html redisplay="true"> to <br /><html:html redisplay=<%= true %>></li>
<li>registration.jsp, subscription.jsp: Change all instances of filter="true" to <br />filter=<%= true %></li>
</ul>
<hr />
<ul>
<li>Author: Eric Wu, Mark Budai</li>
</ul>
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<p>Back to <a href="installation.html#Containers">Installation</a>
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