[jira] [Created] (HTTPCLIENT-2243) DefaultHttpRequestRetryStrategy Retrying the request without sending the body causes the connection to time out

["youngzil (Jira)" <ji...@apache.org>]

youngzil created HTTPCLIENT-2243:
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             Summary: DefaultHttpRequestRetryStrategy Retrying the request without sending the body causes the connection to time out
                 Key: HTTPCLIENT-2243
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2243
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient (async)
    Affects Versions: 5.1.3
            Reporter: youngzil


Apache httpclient 5.1.3 not sending POST data on retry via DefaultHttpRequestRetryStrategy
 
I didn't set any retry strategy for CloseableHttpAsyncClient, so use default retry strategy DefaultHttpRequestRetryStrategy、

I am making a POST call to the server with JSON payload in SimpleHttpRequest.

I call the execute method like public final Future<SimpleHttpResponse> execute(final SimpleHttpRequest request,final FutureCallback<SimpleHttpResponse> callback)

When server returns with "429 Too Many Requests" the retry strategy kicks in and makes another retry request .

I have enabled the logs and what I observe is, in the first request the JSON payload is sent properly. But on the retry request no payload is sent to the server and I am receiving a "400 Bad Request".


Through the tracking code, the reasons are found as follows：

Eventually a SimpleRequestProducer.create(request) will be created that contains a dataProducer and the dataProducer has the requested body, and BasicAsyncEntityProducer.isRepeatable return true

The first request will call org.apache.hc.core5.http.nio.entity.BasicAsyncEntityProducer#produce to launch the body

When initiating a retry request, calling org.apache.hc.core5.http.nio.entity.BasicAsyncEntityProducer#produce again the body will not be sent again, because bytebuf.hasRemaining() returns false

This looks like a problem

BasicAsyncEntityProducer isRepeatable but the produce method cannot be called repeatedly

thanks



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