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Chapter 25. Debugging > Manual Debugging

Manual Debugging

Manual debugging is the process of exposing information by way of ColdFusion Markup Language (CFML) tags in order to trace errors or strange behavior. The debugging instructions or output are embedded right inside your code.

The first thing to do before placing these tags in a ColdFusion template is to critically read the error messages returned in a browser. They tell you where the problem occurred by line number and by template. Sometimes, syntax errors can cause ColdFusion to return incorrect line numbers, but usually the problem is somewhere near the line number specified.


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