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https://issues.apache.org/jira/browse/CXF-5201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739788#comment-13739788
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abdelgadiri commented on CXF-5201:
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although seems unlikely but could this issue has anything to to with the size
of the response payload?
I have noticed that when the database is empty or when it contains a single
account then the test case passes and i can detect the additional response
header both on the Deugging servlet filter and on client. However, when the
database contains two or more accounts then the readManyAccounts() will always
fail with missing header but readSingleAccount() will always pass. For both API
calls I can see in the debugger that the response.setHeader() method is being
invoked from the interceptor.
> jaxrs2: unable to intercept response to add new response headers
> ----------------------------------------------------------------
>
> Key: CXF-5201
> URL: https://issues.apache.org/jira/browse/CXF-5201
> Project: CXF
> Issue Type: Bug
> Components: JAX-RS
> Affects Versions: 2.7.5, 2.7.6
> Environment: windows
> Reporter: abdelgadiri
>
> In a WriterInterceptor, one expects to be able to modify response headers via:
> //here using putSingle() but could also use on of the addXXX variants
> context.getHeaders().putSingle("headerName", headerValue);
> However, above is not working in 2.7.5/2.7.6 (@see JIRA-4986)
> As a workaround, one should be able to inject the HttpServletResponse object
> via: @Context HttpServletResponse response;
> then be able to add headers directly to the response object e.g.,
> response.setHeader("headerName", headerValue);
> however, above is also not working in (2.7.5/2.7.6). This is not always
> reproducable as sometimes my client does see the new headers in the received
> response. On closer look it seems the added headers get lost when it is a
> @GET request as opposed to e.g., a @POST. Basically, my test case (a @GET)
> always fails with a missing header in the received response even though I am
> pretty sure the server had added the header.
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