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From "Oleg Kalnichevski (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HTTPCLIENT-1207) Improve extensibility of DefaultHttpRequestRetryHandler
Date Fri, 19 Apr 2013 12:51:16 GMT

     [ https://issues.apache.org/jira/browse/HTTPCLIENT-1207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Oleg Kalnichevski updated HTTPCLIENT-1207:
------------------------------------------

    Fix Version/s:     (was: 4.3 Final)
                   4.3 Beta2
    
> Improve extensibility of DefaultHttpRequestRetryHandler
> -------------------------------------------------------
>
>                 Key: HTTPCLIENT-1207
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1207
>             Project: HttpComponents HttpClient
>          Issue Type: Improvement
>          Components: HttpClient
>    Affects Versions: 4.2 Final
>            Reporter: Joshua Spiewak
>            Priority: Minor
>             Fix For: 4.3 Beta2
>
>         Attachments: Enable_sub-classes_to_modify_the_set_of_exceptions_that_are_rejected_for_retry.patch
>
>
> Under certain circumstances, such as when a service is behind a load balancer, it is
desirable for a client to retry a request after timeout, rather than simply extending the
timeout. This would allow the client to connect to a different service behind the load balancer.
> Currently DefaultHttpRequestRetryHandler rejects four types of Exceptions for retry,
including InterruptedIOException, the parent class of SocketTimeoutException. The attached
patch collects the Exceptions into a Set, and exposes the Set to sub-classes. This should
allow sub-classes to remove InterruptedIOException if they see fit, but still get the benefits
of the other logic in retryRequest, without copying the entire class.

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