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https://issues.apache.org/jira/browse/HTTPCLIENT-2333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Kalnichevski updated HTTPCLIENT-2333:
------------------------------------------
      Component/s: HttpClient (async)
                   HttpClient (classic)
    Fix Version/s: 5.3.2
                   5.4-beta2

> A request retry upon redirect is incorrectly flagged as a circular redirect 
> ----------------------------------------------------------------------------
>
>                 Key: HTTPCLIENT-2333
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2333
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (async), HttpClient (classic)
>    Affects Versions: 5.3.1
>            Reporter: Teresa Tang
>            Priority: Minor
>             Fix For: 5.3.2, 5.4-beta2
>
>         Attachments: NullHandler.java, TestRedirects.java
>
>
> When a request is redirected and then needs to be retried, the retry is 
> treated as a circular redirect. If circular redirects are not allowed, an 
> error is thrown:
>  
> {code:java}
> org.apache.hc.client5.http.ClientProtocolException: Circular redirect to 
> 'http://localhost:35731/random/50'    at 
> org.apache.hc.client5.http.impl.classic.InternalHttpClient.doExecute(InternalHttpClient.java:173)
>     at 
> org.apache.hc.client5.http.impl.classic.CloseableHttpClient.execute(CloseableHttpClient.java:245)
>     at 
> org.apache.hc.client5.testing.sync.TestRedirects.testRetryUponRedirect(TestRedirects.java:241)
>     at java.base/java.lang.reflect.Method.invoke(Method.java:580)
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
>     at java.base/java.util.ArrayList.forEach(ArrayList.java:1596)
> Caused by: org.apache.hc.client5.http.CircularRedirectException: Circular 
> redirect to 'http://localhost:35731/random/50'
>     at 
> org.apache.hc.client5.http.impl.classic.RedirectExec.execute(RedirectExec.java:144)
>     at 
> org.apache.hc.client5.http.impl.classic.ExecChainElement.execute(ExecChainElement.java:51)
>     at 
> org.apache.hc.client5.http.impl.classic.InternalHttpClient.doExecute(InternalHttpClient.java:170)
>     ... 6 more{code}
>  
> Please see testRetryUponRedirect in TestRedirects.java for an example. 
> NullHandler.java will return a bad response only for the first redirected 
> request (files attached)



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