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https://issues.apache.org/jira/browse/CXF-5534?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hans Weisheimer updated CXF-5534:
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Attachment: ProviderFactoryExceptionMapperTest.java
> ProviderFactory returns incorrect ExceptionMapper when no exact match is
> registered
> -----------------------------------------------------------------------------------
>
> Key: CXF-5534
> URL: https://issues.apache.org/jira/browse/CXF-5534
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.7.8
> Reporter: Hans Weisheimer
> Priority: Minor
> Attachments: ProviderFactoryExceptionMapperTest.java
>
>
> The JAX-RS 1.1 spec says:
> When choosing an exception mapping provider to map an exception, an
> implementation MUST use the provider whose generic type is the nearest
> superclass of the exception.
> In 2.7.0, this was working per the spec. In 2.7.8 (likely starting with
> 2.7.6, but not tested), the FIRST ExceptionMapper provider is returned when
> there is no exact match. This usually results in a ClassCastException.
> In the attached test, a NullPointerException should map to the registered
> ExceptionMapper<RuntimeException> provider, but it does not.
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