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Date: Tue, 25 Apr 2017 02:03:04 +0000 (UTC)
From: "Allen (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Message-ID: <JIRA.13065383.1492657513000.40573.1493085784059@Atlassian.JIRA>
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Subject: [jira] [Reopened] (HTTPCORE-455) The client does not check if the
 IO thread is alive
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archived-at: Tue, 25 Apr 2017 02:03:08 -0000


     [ https://issues.apache.org/jira/browse/HTTPCORE-455?page=3Dcom.atlass=
ian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen reopened HTTPCORE-455:
----------------------------

The latest version of httpcore-nio in maven repository is 4.4.6=EF=BC=8Cthe=
 worker thread catch exception but not throwable, and the connecting thread=
 just checked whether an exception happened=E3=80=82Once an unknown error h=
appens, the worker thread will stop but the connecting thread will never kn=
ow,it seems that the problem dose not be fixed in the 4.4.6=E3=80=82

> The client does not check if the IO thread is alive
> ---------------------------------------------------
>
>                 Key: HTTPCORE-455
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-455
>             Project: HttpComponents HttpCore
>          Issue Type: Bug
>         Environment: Mac OSX, Java 8
>            Reporter: Allen
>             Fix For: 4.4.7, 5.0-alpha3
>
>
> When I developed with the latest HttpAsyncclient, it was hard for me to k=
now whether the IO thread in BaseIOReactor was alive=E3=80=82 For example, =
if I throw an error in the callback=EF=BC=8Cthe IO thread will terminate,bu=
t the connecting thread  will not check if the IO thread is alive,and will =
still add new  channels to the dispatcher=E3=80=82
> The java code:
>  CloseableHttpAsyncClient client =3D HttpAsyncClients.custom().build();
>         client.start();
>         HttpUriRequest getRequest =3D new HttpGet("www.google.com");
>         client.execute(getRequest, new FutureCallback<HttpResponse>() {
>             @Override
>             public void completed(HttpResponse result) {
>                 throw new StackOverflowError();
>             }
>             @Override
>             public void failed(Exception ex) {
>             }
>             @Override
>             public void cancelled() {
>             }
>         });
>         for(int i =3D 0 ; i < 100 ; i++){
>             client.execute(getRequest, new FutureCallback<HttpResponse>()=
 {
>                 @Override
>                 public void completed(HttpResponse result) {
>                    =20
>                 }
>                 @Override
>                 public void failed(Exception ex) {
>                 }
>                 @Override
>                 public void cancelled() {
>                 }
>             });
>         }
> one of the IO threads is dead=EF=BC=8Cbut the java Error dose not be caug=
ht=EF=BC=8Cand hte client will continue work and add new channels to the di=
spather, but the newChannel queue will be not be consumed, so I want to kno=
w is there any method to deal with this situation.
> Thanks


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