[jira] [Created] (CXF-6442) Possible uses contraint violation because of different servlet API versions

["Christian Schneider (JIRA)" <ji...@apache.org>]

Christian Schneider created CXF-6442:
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             Summary: Possible uses contraint violation because of different servlet API versions
                 Key: CXF-6442
                 URL: https://issues.apache.org/jira/browse/CXF-6442
             Project: CXF
          Issue Type: Bug
          Components: Transports
    Affects Versions: 3.1.0
            Reporter: Christian Schneider
            Assignee: Christian Schneider
             Fix For: 3.1.1


The cxf-http feature load the servlet API 3.0 while pax web load servlet API 3.1. So if cxf-http is loaded before the http feature it might bind to the lower API version. If a user bundle then uses CXF and the Servlet API there can be a uses contraint violation. 

I had this with the xkms features at least once. Most times the problem did not appear though.

I propose to solve this by adding a cxf-http-client feature which only installs the servlet API 3.0 and switch the default cxf-http feature to depend on http again. So users still can select to use the slim version but the default case will not be prone to the uses constraint violation.



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