About this task
Deployment Descriptor Editor provides validation function. You can
validate the configuration for each component tab in order to avoid mistakes.
If configuration value does not comply with predefined validation rules, the
editor reports them in the problem list. Futhermore, the incorrect configuration
is marked with

.
When you hover your mouse over the error, a tip box is displayed showing the
description of the error.
Following is a screen capture:
BTT provides you default validation rules. By saving the btt.xml,
validation rules are applied by default. To see the validation report, open
the Problems view. Errors are indicated with a red
error
next
to the resource with the error. Error description, resource, path, location
and type are displayed. Double click an error, the source code of the error
is located and displayed in the Source tab. You can
modify the source code directly.
Note: Every component has its own validation
rules. You need to select the correct initializer class file to guarantee
that the validation for this component works properly.