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https://issues.apache.org/jira/browse/UIMA-1266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thilo Goetz updated UIMA-1266:
------------------------------

    Fix Version/s: 2.3

> AnalysisEngineMetaData.getTypeSystem() returns null
> ---------------------------------------------------
>
>                 Key: UIMA-1266
>                 URL: https://issues.apache.org/jira/browse/UIMA-1266
>             Project: UIMA
>          Issue Type: Bug
>          Components: Core Java Framework
>    Affects Versions: 2.2.2
>            Reporter: Aaron Kaplan
>            Assignee: Thilo Goetz
>             Fix For: 2.3
>
>
> When "in" is an XMLInputSource for an analysis engine descriptor, the 
> following returns null if it's an aggregate AE:
> UIMAFramework.
>                       getXMLParser().
>                       parseAnalysisEngineDescription(in).
>                       getAnalysisEngineMetaData().
>                         getTypeSystem()
> Though I understand the reason for this (an aggregate AE's type system is 
> just the union of its delegates' type systems, and isn't described explicitly 
> in the aggregate descriptor), it would be more convenient if it worked for 
> aggregates too.
> At the least, the documentation should reflect this limitation.

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