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https://issues.apache.org/jira/browse/CALCITE-1300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Elser resolved CALCITE-1300.
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Resolution: Fixed
Resolved in
https://git1-us-west.apache.org/repos/asf?p=calcite.git;a=commit;h=3b5d88e6a717600f2c7c282ae7319875866017ea
> AvaticaCommonsHttpClientImpl doesn't retry on HTTP/503
> ------------------------------------------------------
>
> Key: CALCITE-1300
> URL: https://issues.apache.org/jira/browse/CALCITE-1300
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Affects Versions: avatica-1.8.0
> Reporter: Josh Elser
> Assignee: Josh Elser
> Fix For: avatica-1.9.0
>
>
> In the original AvaticaHttpClient implementation, I had added some logic to
> retry when the client receives an HTTP/503 from the server.
> This was to make the client a little more resilient towards talking to an
> HTTP load balancer instead of directly to the Avatica server. Load balancers
> should send back an HTTP/503 when the backend server fails to respond -- the
> client should be able to retry this.
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