pear failure when using multiple views with JCas
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Key: UIMA-2211
URL: https://issues.apache.org/jira/browse/UIMA-2211
Project: UIMA
Issue Type: Bug
Components: Core Java Framework
Affects Versions: 2.3.1SDK
Reporter: Marshall Schor
Assignee: Marshall Schor
A user reported that setting a sofa mapping in a pipeline initialization that
included a Pear which used JCas, caused a failure where the JCas initialization
couldn't find the classes to load.
Running in debug mode showed that the JCas class loader was not using the
Pear's class loader. Stepping through the code showed that casImpl's
switchClassLoader method was failing to switch the classloader for the Pear's
annotator, because of the multiple views. The code looked at the
CAS's "jcas" field, and found it null (because it was for a view which had not
yet been referenced as a JCas).
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