I am working on the development of a web application,as of now I am using Tomcat Server.I found that when I am doing some changes in the jsp files and wanted to see the changed things in the web application then at that time tomcat server is showing the older version of the jsp files.I also cleared the Catalina folder in under tomcat/work/Catalina.also before starting the tomcat server I did clear the tomcat module directory.
Please provide me what ever information you guys know about the tomcat caching .
There are two types of caching under consideration here.
When a JSP is first processed, it is converted to java code, compiled, and then the compiled code is stored under TOMCAT_HOME/work. You can consider this a cache, if you like, but it's not a cache of the page, it's a cache of the code. Deleting the files under Tomcat's work directory will clear it (best done when Tomcat is offline).
The other type of caching is for a specific rendering of a webpage. The same JSP, after all, can be involved in the display of 2 entirely different database queries. The image of this page can be cached.
webpage caching is never done by Tomcat. It is always done (if at all) by the client. You can often force a refresh by pressing your browser's "F5" key (or ALT+R). A more extreme method would be to forcibly flush the entire browser cache via the appropriate browser Preferences menu option.
Caching should normally only occur if a cache directive is part of your outgoing HTTP response for the page. And, in fact, Tomcat will shut off caching when the response is encrypted. So it's a good idea to use FireBug or whatever similar mechanism is available on your browser of choice to examine the returned headers and adjust them if necessary.
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