[jira] [Created] (CXF-8547) How to use org.apache.cxf.endpoint.Client->requestContext thread-safe

["Thanh Nguyen (Jira)" <ji...@apache.org>]

Thanh Nguyen created CXF-8547:
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             Summary: How to use org.apache.cxf.endpoint.Client->requestContext thread-safe
                 Key: CXF-8547
                 URL: https://issues.apache.org/jira/browse/CXF-8547
             Project: CXF
          Issue Type: Wish
            Reporter: Thanh Nguyen


From the official CXF Q&A [https://cxf.apache.org/faq.html#FAQ-AreJAX-WSclientproxiesthreadsafe?] about WSClientProxythreadsafe, I understand that thread-safe is not possible to  `org.apache.cxf.endpoint.Client->requestContext`.

That being said, I cannot override ListHeader to the RequestContext and use them concurrently especially in the Spring Reactor manner. 

Example: 
{code:java}
// code placeholder
Client client = ClientProxy.getClient(...);
client.getRequestContext().put(Header.HEADER_LIST, List.of(identityHeader));

{code}

So my question is, do you have any suggestions on how to overcome it? The document suggested using a "pool of instances" but do we have a better way? If not, do we have any example case using of "pool of instances". 



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