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From "Fadi Mohsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CXF-5689) NPE at ThreadLocalProviders.getContextResolver()
Date Sun, 11 Oct 2015 12:24:05 GMT

    [ https://issues.apache.org/jira/browse/CXF-5689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14952274#comment-14952274
] 

Fadi Mohsen commented on CXF-5689:
----------------------------------

[~sergey_beryozkin] I see this NPE exception and cant figure out why it happens, I do not
have custom mappers.

I run on Java8, CXF 3.1.0 and jackson 2.6.1, below is how I wire up:
{code}
JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean();
sf.setProviders(Arrays.asList(new Object[] { new JacksonJsonProvider() }));
{code}

any hints?

thanks in advance

> NPE at ThreadLocalProviders.getContextResolver()
> ------------------------------------------------
>
>                 Key: CXF-5689
>                 URL: https://issues.apache.org/jira/browse/CXF-5689
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 2.7.11
>            Reporter: Hooman Valibeigi
>            Assignee: Sergey Beryozkin
>             Fix For: 3.0.0, 2.7.12
>
>
> I have extensions of the following classes in my application used as providers when creating
jaxrs clients or servers.
> javax.ws.rs.ext.ContextResolver
> javax.ws.rs.ext.MessageBodyReader
> javax.ws.rs.ext.MessageBodyWriter
> javax.ws.rs.ext.ExceptionMapper
> org.apache.cxf.jaxrs.client.ResponseExceptionMapper
> All my custom providers have the following member field injected at runtime.
> @Context private Providers providers;
> Within the providers' methods I'm calling this:
> providers.getContextResolver(aClass, aMediaType);
> This is causing a NullPointerException for the ResponseExceptionMapper. All the other
providers have no problem getting the context resolver.
> java.lang.NullPointerException
>         at org.apache.cxf.jaxrs.impl.tl.ThreadLocalProviders.getContextResolver(ThreadLocalProviders.java:50)



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