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https://issues.apache.org/jira/browse/LUCENE-6961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler resolved LUCENE-6961.
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Resolution: Fixed
> Improve Exception handling in AnalysisFactory/SPI loader
> --------------------------------------------------------
>
> Key: LUCENE-6961
> URL: https://issues.apache.org/jira/browse/LUCENE-6961
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/analysis
> Affects Versions: 5.4
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 5.5, Trunk
>
> Attachments: LUCENE-6961.patch
>
>
> Currently the AnalysisSPILoader used by AbstractAnalysisFactory uses a
> {{catch Exception}} block when invoking the constructor. If the constructor
> throws stuff like IllegalArgumentExceptions or similar, this is hidden inside
> InvocationTargetException, which gets wrapped in IllegalArgumentException.
> This is not useful.
> This patch will:
> - Only catch ReflectiveOperationException
> - If it is InvocationTargetException it will rethrow the cause, if it is
> unchecked. Otherwise it will wrap in RuntimeException
> - If the constructor cannot be called at all (reflective access denied,
> method not found,...) UOE is thrown with explaining message.
> This patch will be required by next version of LUCENE-6958.
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