Kireet Reddy created HTTPASYNC-23:
-------------------------------------

             Summary: request never completes
                 Key: HTTPASYNC-23
                 URL: https://issues.apache.org/jira/browse/HTTPASYNC-23
             Project: HttpComponents HttpAsyncClient
          Issue Type: Bug
    Affects Versions: 4.0-beta2
         Environment: linux
            Reporter: Kireet Reddy


I am using the DefaultAsyncHttpClient and fairly often requests are not 
completing. I have enabled logging and see the following when requesting url  
http://g1.globo.com/pa/para/noticia/2012/08/bom-dia-para-desta-segunda-fala-sobre-importancia-do-voto.html

o.a.h.i.n.c.DefaultHttpAsyncClient[DEBUG|feed-html-proc:3|13:43:13]: [exchange: 
50] start execution
o.a.h.i.n.c.DefaultHttpAsyncClient[DEBUG|feed-html-proc:3|13:43:13]: [exchange: 
50] Request connection for {}->http://g1.globo.com
o.a.h.i.n.c.PoolingClientAsyncConnectionManager[DEBUG|feed-html-proc:3|13:43:13]:
 Connection request: [route: {}->http://g1.globo.com][total kept alive: 4; 
route allocated: 1 of 10; total allocated: 9 of 400]
o.a.h.i.n.c.PoolingClientAsyncConnectionManager[DEBUG|feed-html-proc:3|13:43:13]:
 Connection leased: [id: 9][route: {}->http://g1.globo.com][total kept alive: 
3; route allocated: 1 of 10; total allocated: 9 of 400]
o.a.h.i.n.c.DefaultHttpAsyncClient[DEBUG|feed-html-proc:3|13:43:13]: [exchange: 
50] Connection allocated: [id:9][route:{}->http://g1.globo.com][state:null]
o.a.h.i.nio.reactor.IOSessionImpl[DEBUG|feed-html-proc:3|13:43:13]: 
http-outgoing-9 216.218.207.141:53204<->186.192.82.114:80[ACTIVE][r:r]: Set 
attribute http.nio.exchange-handler
o.a.h.i.nio.reactor.IOSessionImpl[DEBUG|feed-html-proc:3|13:43:13]: 
http-outgoing-9 216.218.207.141:53204<->186.192.82.114:80[ACTIVE][rw:r]: Event 
set [w]

at this point, I don't see anything else for this exchange ID or get a callback 
until I shutdown the client. At that point I see:

.a.h.i.n.c.DefaultHttpAsyncClient[DEBUG|Thread-3|14:16:20]: [exchange: 50] 
Cancelled
o.a.h.i.n.c.PoolingClientAsyncConnectionManager[DEBUG|main|14:16:20]: 
Connection manager shut down
o.a.h.i.n.c.DefaultHttpAsyncClient[DEBUG|Thread-3|14:16:20]: [exchange: 50] 
aborting connection [id:9][route:{}->http://g1.globo.com][state:null]

Note the timestamp has progressed about 30 minutes with no timeout. I don't 
think there is anything particularly special about this URL, it seems to happen 
randomly. I can reproduce here easily but it won't be easy to create a 
reproduction test case as failures are sporadic.

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