[jira] [Created] (UIMA-4199) AnalysisEngineFactory doesn't pass AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS parameter correctly to UIMAFactory when creating a new engine

["Faisal Feroz (JIRA)" <de...@uima.apache.org>]

Faisal Feroz created UIMA-4199:
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             Summary: AnalysisEngineFactory doesn't pass AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS parameter correctly to UIMAFactory when creating a new engine
                 Key: UIMA-4199
                 URL: https://issues.apache.org/jira/browse/UIMA-4199
             Project: UIMA
          Issue Type: Bug
          Components: uimaFIT
    Affects Versions: 2.1.0uimaFIT
            Reporter: Faisal Feroz


When {{org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine(Class<? extends AnalysisComponent>, Object...)}} is called for creating a multi-threaded engine instance by passing in AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS and some integer value in configurationData. It creates AnalysisEngineDescription object from the data and calls {{org.apache.uima.fit.factory.AnalysisEngineFactory.createEngine(AnalysisEngineDescription, Object...)}} method which passes in null in {{aAdditionalParameters}} when calling {{UIMAFramework.produceAnalysisEngine}}. The respective method looks for {{AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS}} as per the following code:
{code:java}
boolean multiprocessing = (aAdditionalParams != null)
            && aAdditionalParams.containsKey(AnalysisEngine.PARAM_NUM_SIMULTANEOUS_REQUESTS);
{code}

which is never found and the required {{MultiprocessingAnalysisEngine_impl}} is never created.



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