grails url mapping -

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i new grails & want know:- how default grails url mapping in grails? stored? how can default url mappings replaced our custom url mappings grails controller?

urlmapping done in urlmappings.groovy file. read more on how map on http://grails.org/doc/latest/guide/6.%20the%20web%20layer.html#6.4%20url%20mappings


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