aeischeid opened a new issue, #14415:
URL: https://github.com/apache/grails-core/issues/14415
Domains like `Certificate` and `SpecialCert extends Certificate`. Things
work well. `_class` is added to each document when doing inserts.
However, since upgrade to grails 2.5.2 and 3.0.3 version of the mongo plugin
I now have a problem when adding dynamic attributes before the first save. It
causes the _class not to be inserted into mongo, and this in turn causes
something like `SpecialCert.get(id)` to not return the document later.
There is a workaround. Just do the .save() first then add the props and do
another .save(), but it is a definite gotcha.
``` groovy
if (!specialCert.hasErrors()) {
specialCert.save()
// for some reason if we try to stamp the markerKey before the first
.save() GORM mongo
// loses that what class this is and misses putting the _class into the
DB causing probs later
String markerKey = ourService.getMarkerKey()
if (markerKey) specialCert['markerKey'] = markerKey
specialCert.save()
}
```
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