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https://issues.apache.org/jira/browse/UIMA-5041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marshall Schor resolved UIMA-5041.
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Resolution: Fixed
Fix Version/s: 2.9.0SDK
> JsonCasSerializer creates duplicate shortname
> ---------------------------------------------
>
> Key: UIMA-5041
> URL: https://issues.apache.org/jira/browse/UIMA-5041
> Project: UIMA
> Issue Type: Bug
> Components: Core Java Framework
> Affects Versions: 2.8.1SDK
> Reporter: Benjamin De Boe
> Assignee: Marshall Schor
> Priority: Minor
> Fix For: 2.9.0SDK
>
>
> Our type system includes a type named
> "com.intersys.uima.annotation.iknow.TOP", which inherits directly from
> "uima.cas.TOP" and then has a number of subtypes specific to our AE. When
> serializing this through the JsonCasSerializer, it generates the shortname
> TOP twice:
> {"_context":
> {"_types": [
> ...
> "TOP": {"_id":"com.intersys.uima.annotation.iknow.TOP",
> "_subtypes":["Entity","ProximityScore"]},
> "TOP": {"_id":"uima.cas.TOP",
> "_subtypes":["TOP","AnnotationBase","ArrayBase","Sofa"]},
> ...]
> }
> }
> While we can work around this by renaming our top type, the documentation
> explicitly states this shouldn't pose a problem and shortnames would be
> de-duplicated automatically:
> https://uima.apache.org/d/uimaj-2.8.1/references.html#ugr.ref.json.overview
> Section 9.2.2:
> In the _types section, the key (e.g. "Sofa" or
> "A_Typical_User_or_built_in_Type") is the "short" name for the type used in
> the serialization. It is either just the last segment of the full type name
> (e.g. for the type x.y.z.TypeName, it's TypeName), or, if name would collide
> with another type name if just the last segment was used (example:
> some.package.cname.Foo, and some.other.package.cname.Foo), then the key is
> made up of the next-to-last segment, with an optional suffixed incrementing
> integer in case of collisions on that name, a colon (:) and then the last
> name.
> I see there are unit test checking for this, but maybe it's because
> uima.cas.TOP is sort of a special case? Or because neither uima.cas.TOP nor
> our custom TOP is actually used directly (only subtypes are).
> So before I go ahead and change our root type name, I'd like to make sure
> this isn't something the framework should have taken care of itself.
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