Debugging web applications
You can debug your web applications on a server to detect and diagnose errors in your application.
Procedure
Debug a servlet on a server
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Debug a JSP file on a server
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Debug web pages with Firebug
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Debugging web pages with Firebug
Firebug is an open source extension for Mozilla Firefox that assists you with debugging, editing, profiling, logging, and monitoring HTML pages, DOM, CSS, and JavaScript.
Parent topic:
Developing web applications