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https://issues.apache.org/jira/browse/CXF-5932?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lucas Pouzac updated CXF-5932:
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Attachment: contention_cxf_jaxrsutils.png
> 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
> Labels: concurrency, performance
> 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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