reckart opened a new issue, #367:
URL: https://github.com/apache/uima-uimaj/issues/367
**Describe the bug**
When injecting a resource into a UIMA component and the resource manager's
classloader has access to the implementation class of the resources but not to
the interface required by the UIMA component, then an exception is thrown. This
was observed in an OSGi context.
**To Reproduce**
Steps to reproduce the behavior:
1. Create an interface `my.app.ResourceInterface`
2. Create an implementation of that interface, e.g. `my.app.Resource`
3. Set up a resource manager that has a classloader that can instantiate
`my.app.Resource` but cannot get the class for `my.app.ResourceInterface`
4. Create instantiating a UIMA component that uses a `my.app.Resource` but
via the `my.app.ResourceInterace`
**Expected behavior**
No exception. I guess UIMA should use the classloaded used for
`my.app.Resource` to locate the interface or should alternatively avoid using
the interface at all.
**Screenshots**
```
Caused by: org.apache.uima.resource.ResourceInitializationException: The
class my.app.ResourceInterface could not be found. (Descriptor: <unknown>)
at
org.apache.uima.resource.impl.ResourceManager_impl.resolveAndValidateResourceDependencies(ResourceManager_impl.java:750)
at
org.apache.uima.resource.Resource_ImplBase.initialize(Resource_ImplBase.java:239)
at
org.apache.uima.analysis_engine.impl.AnalysisEngineImplBase.initialize(AnalysisEngineImplBase.java:175)
at
org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl.initialize(PrimitiveAnalysisEngine_impl.java:128)
at
org.apache.uima.impl.AnalysisEngineFactory_impl.produceResource(AnalysisEngineFactory_impl.java:97)
at
org.apache.uima.impl.CompositeResourceFactory_impl.produceResource(CompositeResourceFactory_impl.java:64)
at
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:284)
at
org.apache.uima.UIMAFramework.produceResource(UIMAFramework.java:334)
at
org.apache.uima.UIMAFramework.produceAnalysisEngine(UIMAFramework.java:449)
at
org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine(AnalysisEngineFactory.java:213)
at
org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine(AnalysisEngineFactory.java:289)
```
**Please complete the following information:**
- Version: 3.5.0
**Additional context**
Add any other context about the problem here.
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