Am 03.05.2018 um 10:03 schrieb Oleg Kalnichevski <[email protected]>:
>
> On Wed, 2018-05-02 at 10:59 +0200, Kenan Esau wrote:
>> Hello,
>>
>> I am trying to generate a chunked response. I tried different ways -
>> but all have the same problem. The result is only sent to the client
>> after the underlying stream is closed (or the encoder if I use
>> HttpAsyncResponseProducer).
>>
>> My suspicion is that this is related to the some buffers „in
>> between“. Is there a possibility to flush my chunks? Can you point me
>> to an example?
>>
>
> Hi Kenan
>
>
> The chunk transfer encoder used by HttpCore NIO does not immediately
> write out small data chunks to the underlying channel if they are below
> so called 'fragment size hint' value:
>
> https://github.com/apache/httpcomponents-core/blob/4.4.x/httpcore-nio/s
> rc/main/java/org/apache/http/impl/nio/codecs/ChunkEncoder.java#L127
>
> There is no means of flushing session output buffer from a
> HttpAsyncResponseProducer implementation but one can set 'fragment size
> hint' value to zero in order to force all chunk data to get committed
> to the channel immediately (at the expense of IP packet fragmentation).
>
> https://github.com/apache/httpcomponents-core/blob/4.4.x/httpcore/src/m
> ain/java/org/apache/http/config/ConnectionConfig.java#L146
>
> Hope this helps
Yep — thank you! That worked!
Kenan
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