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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