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https://issues.apache.org/jira/browse/CXF-6375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh closed CXF-6375.
------------------------------------

> Providers.getMessageBodyReader throws NPE
> -----------------------------------------
>
>                 Key: CXF-6375
>                 URL: https://issues.apache.org/jira/browse/CXF-6375
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 3.0.3
>         Environment: Windows
>            Reporter: Neal Hu
>            Assignee: Sergey Beryozkin
>             Fix For: 3.1.0, 3.0.5
>
>
>  org.apache.cxf.jaxrs.impl.ProvidersImpl.getMessageBodyReader and 
> org.apache.cxf.jaxrs.impl.ProvidersImpl.getMessageBodyWriter are public 
> methods that can be invoke by end user via injected 
> providers.getMessageBodyReader(x,null,x,x). 
> Recently we received TCK failure(NPE) on invoke above method when the Type 
> genericType is null.
> the stack trace is:
> at java.lang.Class.isAssignableFrom(Native Method)
>       at 
> org.apache.cxf.jaxrs.provider.JAXBElementProvider.objectFactoryOrIndexAvailable(JAXBElementProvider.java:109)
>       at 
> org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.objectFactoryForType(AbstractJAXBProvider.java:584)
>       at 
> org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.isSupported(AbstractJAXBProvider.java:570)
>       at 
> org.apache.cxf.jaxrs.provider.AbstractJAXBProvider.isReadable(AbstractJAXBProvider.java:440)
>       at 
> org.apache.cxf.jaxrs.provider.ProviderFactory.chooseMessageReader(ProviderFactory.java:845)
>       at 
> org.apache.cxf.jaxrs.provider.ProviderFactory.createMessageBodyReader(ProviderFactory.java:504)
>       at 
> org.apache.cxf.jaxrs.impl.ProvidersImpl.getMessageBodyReader(ProvidersImpl.java:45)
> How do you think the value of genericType is null? Is it valid or not. If not 
> we may challenge the TCK case. However the NPE is not allowed.



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