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https://issues.apache.org/jira/browse/CXF-5970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14109730#comment-14109730
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Sergey Beryozkin commented on CXF-5970:
---------------------------------------

Right, I recall Jackson captures it all (returns true in isReadable AFAIK, if I 
recall it right it has Consumes/Produces application/json ). The order of the 
registration must not make a difference as far as selecting the right provider 
is concerned. Can you please give me a more concrete example ? Say, you have 
Jackson provider and may be some other custom provider for reading InputStream 
or some other type and Jackson takes it and then rejects ? Such issues are 
expected to be fixed by having a CustomProvider<InputStream>, etc

Thanks, Sergey

> review org.apache.cxf.jaxrs.provider.ProviderFactory.Message*ReaderComparator
> -----------------------------------------------------------------------------
>
>                 Key: CXF-5970
>                 URL: https://issues.apache.org/jira/browse/CXF-5970
>             Project: CXF
>          Issue Type: Bug
>            Reporter: Romain Manni-Bucau
>
> Actually the task can be rephrase saying rework 
> org.apache.cxf.jaxrs.provider.ProviderFactory#*Comparators
> Current implementations don't seem to have an absolute order which means 
> sorting is not as deterministic as it should be under java >= 7.
> Other point is as a user you set a List of providers (you probably already 
> sorted if important) so you want to ensure *your* order is respected at 
> runtime (ie 
> org.apache.cxf.jaxrs.provider.ProviderFactory#message[Readers|Writers] 
> respect it).
> If you think this sorting is important maybe introducing in 
> org.apache.cxf.jaxrs.AbstractJAXRSFactoryBean and 
> org.apache.cxf.jaxrs.provider.ProviderFactory a boolean sortProviders can be 
> enough to prevent calling sortXXX().



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