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debugging
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Madhusudan Raju
Greenhorn
Joined: Dec 27, 2006
Posts: 4
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how do you debug in jsp
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Ben Souther
Sheriff
Joined: Dec 11, 2004
Posts: 13410
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Madhusudan Raju,
Please take the time to choose the correct forum for your question.
This forum is for Servlet questions.
Moving to JSP
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Java API J2EE API Servlet Spec JSP Spec How to ask a question... Simple Servlet Examples jsonf
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William Brogden
Author and all-around good cowpoke
Rancher
Joined: Mar 22, 2000
Posts: 12269
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My number one suggestion for debugging in JSP or servlets is to put all the working code in "helper" classes that can be tested and debugged OUTSIDE the servlet/jsp environment.
There are so many things that can go wrong when you plunk totally untested code into a jsp/servlet container that it is hard to conduct intelligent debugging. Just browsing through recent posts will convince you of that.
Bill
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Java Resources at www.wbrogden.com
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Cameron Wallace McKenzie
author and cow tipper
Saloon Keeper
Joined: Aug 26, 2006
Posts: 4967
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Is there a particulare IDE you are using?
With WebSphere Studio Application Developer, or IBM's Rational Application Developer (IRAD), you can set breakpoints in Java code in a JSP and step through your code at runtime. It's an invaluable service.
Having said that of course, there is great value in minimizing the amount of code in a JSP. Factore out logic into custom tags or Java classes which are easier to maintain, reuse, and debug.
-Cameron McKenzie
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Author of Hibernate Made Easy, What is WebSphere???, JSF 2.0 Made Easy and the SCJA Certification Guides
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Neerav Narielwala
Ranch Hand
Joined: Dec 08, 2006
Posts: 106
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http://java.sun.com/developer/Books/javaserverpages/ProJSP/Chap19.pdf
has your answer. :-)
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subject: debugging
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