RaymondYap created NIFI-8321:
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Summary: Add an HttpClient Exception
Key: NIFI-8321
URL: https://issues.apache.org/jira/browse/NIFI-8321
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework
Affects Versions: 1.12.1
Reporter: RaymondYap
* The RemoteProcessGroup will crash Jetty, if the other site of NiFi Cluster
disappear(host suddenly shutdown/ instance shutdown terminate...).
* Because of the HttpClient lack of "NoRouteToHostException" exception.
* Although the HttpClient has thrown an "IOException" and the
"StandardRemoteGroupPort", has caught the "IOException"
* but the HttpClient never throw "NoRouteToHostException", therefore,
"StandardRemoteGroupPort" will never catch the exception and still try to
create http connection
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