[jira] [Created] (CXF-5932) Monitor contention at org.apache.cxf.jaxrs.utils.JAXRSUtils.processParameters(OperationResourceInfo, MultivaluedMap, Message)

[Lucas Pouzac (JIRA)]

Lucas Pouzac created CXF-5932:
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             Summary: Monitor contention at 
org.apache.cxf.jaxrs.utils.JAXRSUtils.processParameters(OperationResourceInfo, 
MultivaluedMap, Message)
                 Key: CXF-5932
                 URL: https://issues.apache.org/jira/browse/CXF-5932
             Project: CXF
          Issue Type: Improvement
          Components: JAX-RS
    Affects Versions: 3.0.1
            Reporter: Lucas Pouzac
            Priority: Critical
         Attachments: contention_cxf_jaxrsutils.png

JAXRSUtils.processParameters() indirectly calls 
MethodParameter.getParameterAnnotations(), which calls into JRE lib method 
causing monitor contention. See screen shot

Fix by caching values
returned by Method.getParameterAnnotations() in a static ConcurrentMap



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