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https://issues.apache.org/jira/browse/HTTPCLIENT-2126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17226769#comment-17226769
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koji lin edited comment on HTTPCLIENT-2126 at 11/5/20, 3:27 PM:
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I think `dataConsumer.streamEnd(null);` should be included too.

Because in some consumer(maybe 
org.apache.hc.core5.http.nio.support.BasicResponseConsumer?), if we don't call 
consume first, dataConsumerRef in streamEnd will be null and NPE in `streamEnd`

 


was (Author: kojilin):
I think `dataConsumer.streamEnd(null);` should be included too.

Because in some consumer(maybe 
org.apache.hc.core5.http.nio.support.BasicResponseConsumer?), if we don't call 
consume first, dataConsumerRef in streamEnd will be null.

 

> AsyncCachingExec throws NPE when response body is null
> ------------------------------------------------------
>
>                 Key: HTTPCLIENT-2126
>                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-2126
>             Project: HttpComponents HttpClient
>          Issue Type: Bug
>          Components: HttpClient (async)
>    Affects Versions: 5.0.3
>            Reporter: koji lin
>            Priority: Minor
>             Fix For: 5.0.4, 5.1-beta1
>
>
> [https://github.com/apache/httpcomponents-client/blob/master/httpclient5-cache/src/main/java/org/apache/hc/client5/http/impl/cache/AsyncCachingExec.java#L160]
>  
> This makes client's returned future/callback 
> susccess(AsyncExecCallback#handleResponse triggers this?) but 
> AsyncResponseConsumer/AsyncExecCallback failed.
>  
> Curious if it should avoid exception here.
>  



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