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Date: Thu, 20 Apr 2017 03:21:04 +0000 (UTC)
From: "wang qi (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Message-ID: <JIRA.13065383.1492657513000.1862.1492658464517@Atlassian.JIRA>
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References: <JIRA.13065383.1492657513000@Atlassian.JIRA> <JIRA.13065383.1492657513475@jira-lw-us.apache.org>
Subject: [jira] [Updated] (HTTPASYNC-119) The client dose not check if the
 IO thread is alive
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archived-at: Thu, 20 Apr 2017 03:21:10 -0000


     [ https://issues.apache.org/jira/browse/HTTPASYNC-119?page=3Dcom.atlas=
sian.jira.plugin.system.issuetabpanels:all-tabpanel ]

wang qi updated HTTPASYNC-119:
------------------------------
    Description:=20
When I developed with the latest HttpAsyncclient, it was hard for me to kno=
w 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,but =
the connecting thread  will not check if the IO thread is alive,and will st=
ill 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 caught=
=EF=BC=8Cand hte client will continue work and add new channels to the disp=
ather, but the newChannel queue will be not be consumed, so I want to know =
is there any method to deal with this situation.
Thanks

  was:
When I developed with HttpAsyncclient, it was hard for me to know whether t=
he 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,but the connect=
ing 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 caught=
=EF=BC=8Cand hte client will continue work and add new channels to the disp=
ather, but the newChannel queue will be not be consumed, so I want to know =
is there any method to deal with this situation.
Thanks


> The client dose not check if the IO thread is alive
> ---------------------------------------------------
>
>                 Key: HTTPASYNC-119
>                 URL: https://issues.apache.org/jira/browse/HTTPASYNC-119
>             Project: HttpComponents HttpAsyncClient
>          Issue Type: Bug
>         Environment: Mac OSX, Java 8
>            Reporter: wang qi
>
> 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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