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From "Chris Beer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CXF-4886) Possible bug in If-Modified-Since conditional request handling
Date Sat, 09 Mar 2013 01:05:12 GMT
Chris Beer created CXF-4886:
-------------------------------

             Summary: Possible bug in If-Modified-Since conditional request handling
                 Key: CXF-4886
                 URL: https://issues.apache.org/jira/browse/CXF-4886
             Project: CXF
          Issue Type: Bug
          Components: JAX-RS
    Affects Versions: 2.7.3
            Reporter: Chris Beer
            Priority: Minor


I've been observing what may be a bug in the CXF implementation of Request.evaluatePreconditions(java.util.Date
lastModified). 

When I use a browser (say, Chrome or Firefox) to access a JAX-RS resource that uses evaluatePreconditions
and includes an appropriate Last-Modified header, on the next conditional request, the browser
sends the timestamp it received in the Last-Modified header as the value of the If-Modified-Since
header. I would expect my JAX-RS resource to return a 304 Not Modified response, however:

Looking at http://svn.apache.org/viewvc/cxf/trunk/rt/frontend/jaxrs/src/main/java/org/apache/cxf/jaxrs/impl/RequestImpl.java?view=markup
line 197, it appears there is a check that requires the current lastModified value to be strictly
before the current If-Modified-Since header.

I don't see any tests in 
http://svn.apache.org/viewvc/cxf/branches/2.7.x-fixes/rt/frontend/jaxrs/src/test/java/org/apache/cxf/jaxrs/impl/RequestImplTest.java?view=markup
that uses the same timestamp.

Is this intended behavior or a bug (and, this behavior seems to differ from other JAX-RS implementations
as far as I can tell)?

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