No proper error message when id is missing from app-schema mapping file
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Key: GEOT-3060
URL: http://jira.codehaus.org/browse/GEOT-3060
Project: GeoTools
Issue Type: Improvement
Components: data app-schema
Reporter: Rini Angreani
Assignee: Rini Angreani
Fix For: 2.6.4
In app-schema mapping file, top level elements in FeatureTypeMappings required
to be identified (as they should be a feature type, or non feature types that
are feature-chained, therefore needs some sort of uniqueness identification).
This is done by specifying <idExpression> tag on the element.
This is not required if the table being mapped to the type has a primary
key/unique index, as it will automatically assume them as the id.
However, users sometimes forget about this requirement, and would encounter
random errors, such as: IndexOutofBoundException, IllegalStateException or
NullPointerException.
Only after we debug it, we'd realize that it's a config issue.
Ideally, we should check for id presence, and throw appropriate error message.
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