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From "Sergey Beryozkin (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CXF-4409) Proxy-based Client use Multipart getting NullPointerException
Date Mon, 09 Jul 2012 17:50:35 GMT

     [ https://issues.apache.org/jira/browse/CXF-4409?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Beryozkin resolved CXF-4409.
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 2.7.0
                   2.6.2
                   2.5.5
                   2.4.9
         Assignee: Sergey Beryozkin
    
> Proxy-based Client use Multipart getting NullPointerException
> -------------------------------------------------------------
>
>                 Key: CXF-4409
>                 URL: https://issues.apache.org/jira/browse/CXF-4409
>             Project: CXF
>          Issue Type: Bug
>          Components: JAX-RS
>    Affects Versions: 2.6
>         Environment: win32;x86_64;java 1.7.0_05-b05
>            Reporter: Cooper
>            Assignee: Sergey Beryozkin
>            Priority: Minor
>             Fix For: 2.4.9, 2.5.5, 2.6.2, 2.7.0
>
>   Original Estimate: 8h
>  Remaining Estimate: 8h
>
> It's all about the client, when use Proxy-based client API
> Failed method signature of client restful interface as below:
> 	@POST
> 	@Path("/findEmployeePagingResults")
> 	@Consumes(MediaType.MULTIPART_FORM_DATA)
> 	@Produces(MediaType.APPLICATION_JSON)
> 	List<Employee> findEmployeePagingResults(
> 			@Multipart(value="condition", type=MediaType.APPLICATION_JSON) EmployeeCondition condition,
> 			@Multipart(value="firstResult") int firstResult,
> 			@Multipart(value="maxResults") int maxResults);
> -------------------------------------------------------------------------
> After try...
> Success method signature is
> 	@POST
> 	@Path("/findEmployeePagingResults")
> 	@Consumes(MediaType.MULTIPART_FORM_DATA)
> 	@Produces(MediaType.APPLICATION_JSON)
> 	List<Employee> findEmployeePagingResults(
> 			@Multipart(value="condition", type=MediaType.APPLICATION_JSON) EmployeeCondition condition,
> 			@Multipart(value="firstResult", type=MediaType.TEXT_PLAIN) int firstResult,
> 			@Multipart(value="maxResults", type=MediaType.TEXT_PLAIN) int maxResults);
> ---------------------------------------------------------------------------
> This problem occur cuz:
> MultipartProvider.java: line 369
> MessageBodyWriter<T> r = mc.getProviders().getMessageBodyWriter(cls, genericType,
anns, mt);
> "mc.getProviders()" returns NULL when CXF try to get MessageBodyWriter for maxResults(that's
the 3rd time this method called)

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