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https://issues.apache.org/jira/browse/CXF-5689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14953691#comment-14953691
]
Fadi Mohsen commented on CXF-5689:
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[~sergey_beryozkin] thank you for explaining
Ill try out below and dig more examples on CXF + Jackson.
{code}
JAXRSServerFactoryBean sf = new JAXRSServerFactoryBean();
sf.setProviders(Arrays.asList(new JacksonJaxbJsonProvider(){
protected ObjectMapper _locateMapperViaProvider(Class<?> type,
MediaType mediaType) {
return new ObjectMapper();
}
}));
Map<Class<?>, ?> resources = getResources();
for (Map.Entry<Class<?>, ?> entry : resources.entrySet()) {
sf.setResourceClasses(entry.getKey());
sf.setResourceProvider(entry.getKey(), new
SingletonResourceProvider(entry.getValue()));
}
....
sf.create()
{code}
> 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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