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From "Sergey Beryozkin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-7592) Wrong JAX-RS 2.1 request filter handling for IOException
Date Tue, 19 Dec 2017 17:24:00 GMT

    [ https://issues.apache.org/jira/browse/CXF-7592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16297117#comment-16297117
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Sergey Beryozkin commented on CXF-7592:
---------------------------------------

Thanks, not sure now why it was not done correctly at the start, may be I thought IOException
would never be thrown from the filters :-)

> Wrong JAX-RS 2.1 request filter handling for IOException
> --------------------------------------------------------
>
>                 Key: CXF-7592
>                 URL: https://issues.apache.org/jira/browse/CXF-7592
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.2.0, 3.2.1
>            Reporter: Philipp Förmer
>            Assignee: Sergey Beryozkin
>             Fix For: 3.1.15, 3.2.2
>
>
> In JAX-RS 2.1 specification chapter "6.7.1 Server runtime" it is said that:
> {quote}
> [...]When a filter or interceptor method throws an exception, the server runtime will
process the exception as described in Section 4.5.1.[...]
> {quote}
> But if a JAX-RS ContainerRequestFilter throws an IOException, then the IOException is
immediately catched in JAXRSUtils.runContainerRequestFilters(...) without passing it to exception
mapper provider.
> Use case:
> We have a ContainerRequestFilter which reads the json request data with jackson. For
a special failure scenario the jackson mapper throws a JsonMappingException. The super type
of JsonMappingException is IOException. As CXF catches the IOException the JsonMappingException
is not delegated to a custom exception mapper, which performs the mapping from JsonMappingException
to the response. As of this, the unexpected status code Internal Server Error is returned.



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