I\'ve been setting up debug tags for automated testing of a GWT-based web applic

Question

I've been setting up debug tags for automated testing of a GWT-based web application. This involves turning on custom debug id tags/attributes for elements in the source of the app. It's a non-trivial task, particularly for larger, more complex web applications. Recently there's been some discussion of whether enabling such debug ids is a good idea to do across the board.

Currently the debug ids are only turned on in development and testing servers, not in production. There have been points raised that enabling debug ids does cause performance to take a hit, and that debug ids in production may lead to security issues.

What are benefits of doing this? Are there any significant risks for turning on debug tags in production code?

Explanation / Answer

The performance penalty is not in the observable range. Enabling debug ids in GWT is as simple as turning on a inherits tag in GWT. It only is non trivial for some composed widgets or in case of custom logic for grids or tree.

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