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Refresh changes in JSP scripts working under Tomcat / IIS failed

Posted on 2009-04-02
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Last Modified: 2012-05-06
When I want to refresh the changes I do it in JSP file working under Tomcat / IIS failed what the reason ?

I also restart windows Tomcat service but also not effect
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Question by:bworld
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mrcoffee365 earned 2000 total points
ID: 24054223
JSP pages are recompiled under Tomcat in the same way, regardless of the front end Web server.

So -- something is preventing your JSP pages from changing in the browser.   You need to post more information -- where is the JSP page, what did you change in the source code, what have you done in the browser to reload the page.

Most common causes for a page in a browser not changing when you "know" that you've changed something:

1) the browser has cached the previous version.  If you don't have the header tags in your JSP page to make the browser request a fresh copy every time, it won't.
2) you didn't change the page.  This is very common.  Sometimes people have copies of pages in different places, and don't realize that the page the browser is accessing is not the one they've edited
3) timestamps -- the timestamp on the generated Java file is later than the date of the edited JSP page.  This mostly doesn't happen, but there are weird sets of steps which can result in this.  Fix by removing all generated java classes and jsp in the work directory, and reload the page.
3) you didn't change the page.  You changed something else, which you think of as part of the page.  
4) you didn't change the page.   You changed a .js or .css files which is <link from the page, and refreshing the JSP page is not resulting in a new request for the .js or .css file.  This can be worked around  by changing the href link for the file.
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