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https://issues.apache.org/jira/browse/HTTPCLIENT-2291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski resolved HTTPCLIENT-2291.
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Resolution: Fixed
Fixed in master (5.3)
Oleg
> RetryStrategy: AsyncExecChainHandler and ExecChainHandler behavior should be
> identical
> --------------------------------------------------------------------------------------
>
> Key: HTTPCLIENT-2291
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2291
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (async), HttpClient (classic)
> Affects Versions: 5.2
> Reporter: Lars Uffmann
> Priority: Major
> Fix For: 5.3-alpha2
>
>
> A RetryStrategy is enabled by default in both classic and async.
>
> If an exec chain handler is placed *after* the retry handler, the behavior
> between async and classic is consistent. The behavior of an Async- and a
> classic ExecChainHandler placed *before* the (Async)HttpRequestRetryExec is
> different when a retry is actually executed.
>
> In case of a retry, the classic HttpRequestRetryExec will split the exec
> chain and proceed with all handlers configured after itself. Any handler
> registered before would be called exactly one time with the final outcome of
> the last retry attempt.
>
> The Async version, however, will call any handler registered before itself
> with every retry. The order of events is counter intuitive as well. All
> closing events will be emitted after the last attempt.
>
> {*}Workaround{*}: In async, ignore all but the first invocation of a handler
> when the handler is placed before the retry handler.
>
> {*}Expected Bahaviour{*}: Both Async and Classic ExecChainHandler behavior
> should be identical.
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