[Geotools-devel] [jira] Created: (GEOT-3060) No proper error message when id is missing from app-schema mapping file

[Rini A. (JIRA) <ji...@co...>]

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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