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https://issues.apache.org/jira/browse/UIMA-6393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard Eckart de Castilho resolved UIMA-6393.
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Resolution: Fixed
> Circular imports break resource manager cache
> ---------------------------------------------
>
> Key: UIMA-6393
> URL: https://issues.apache.org/jira/browse/UIMA-6393
> Project: UIMA
> Issue Type: Bug
> Components: UIMA
> Reporter: Richard Eckart de Castilho
> Assignee: Richard Eckart de Castilho
> Priority: Major
> Fix For: 3.3.0SDK, 3.2.1SDK
>
>
> When a set of descriptors (e.g. {{TypeSystemDescription}}s) import each
> other, this can break the import cache in the {{ResourceManager}}.
> Consider the case of two type systems, each defining exactly one type:
> * {{Circular1.xml}} imports {{Circular2.xml}}
> * {{Circular2.xml}} imports {{Circular1.xml}}
> Then run the following code:
> {code}
> @Test
> public void thatCircularImportsDoNotConfuseResourceManagerCache() throws
> Exception {
> ResourceManager resMgr = newDefaultResourceManager();
> File descriptor = getFile("TypeSystemDescriptionImplTest/Circular1.xml");
> TypeSystemDescription ts = xmlParser.parseTypeSystemDescription(new
> XMLInputSource(descriptor));
> ts.resolveImports(resMgr);
> TypeSystemDescription tsd = (TypeSystemDescription)
> resMgr.getImportCache().values().iterator()
> .next();
> assertThat(ts.getTypes()).hasSize(2);
>
> TypeSystemDescription cachedTsd = (TypeSystemDescription)
> resMgr.getImportCache().values().iterator()
> .next();
> assertThat(cachedTsd.getTypes()).hasSize(2);
> }
> {code}
> This code loads the first type system and resolves its imports. The resolved
> type system {{Circular1}} contains two types at the end - fine.
> However, {{Circular2}} is cached in the resource manager - and if we fetch it
> from there, then we get it back without any imports and only containing a
> single type. The type it should have imported from {{Circular1}} is not there.
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