Validate the caching configuration
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Validate the caching configuration

In our sample environment, we used a simple web page to test the caching behavior of the configuration. See Example 6-14 for a simple dynamically-generated web page. If the caching is working, the time on the page will not update when you refresh the web page.

Example 6-14 Test.jsp to verify dynamic cache behavior 

<html><head><title>Dynacache Tester</title></head><body>


<H1>Test JSP</H1>


The time is
<%=new java.util.Date().toString() %>
<BR>


If the time does
<b>not</b> update upon page refresh then the dynacache is working correctly<BR>


</body></html>

See Example 6-15 for the corresponding cachespec.xml.

Example 6-15 cachespec.xml deployed in the WEB-INF directory of the web module 

<?xml version="1.0" ?>


<!DOCTYPE cache SYSTEM "cachespec.dtd">


<cache>


 
<cache-entry>


     
<class>servlet</class>


     
<name>/Test.jsp</name>


     
<cache-id>


        
<component id="*" type="parameter">


           
<required>false</required>


        
</component>


        
<timeout>180</timeout>


     
</cache-id>


 
</cache-entry>


</cache>

The web page can be executed with a number of arbitrary parameters to create cache entries. For example, the following will create a new cache entry each: 

http://localhost:9080/DynacacheTestWeb/Test.jsp?anyparam=anyvalue1


http://localhost:9080/DynacacheTestWeb/Test.jsp?anyparam=anyvalue2


http://localhost:9080/DynacacheTestWeb/Test.jsp?anyparam=anyvalue3

The caching statistics of the Test.jsp can then be reviewed in the appropriate monitoring tools introduced in 6.4, Monitoring considerations.


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