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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: HttpAsyncClient 4.0-alpha3 and timeouts
Date Sat, 26 Nov 2011 21:07:06 GMT
On Sat, 2011-11-26 at 11:12 -0800, richevo wrote:
> I'm talking about response timeouts. I tried just using HttpCore and that
> respected the response timeouts for my test. I used the NHttpClient example.
> It could be an option to just use HttpCore but I was interested in using the
> higher level connection support.
> 
> All I want to do is to be able to configure a response timeout of x seconds,
> so if the web service takes more than x seconds to respond I get a timeout.
> So the socket remains connected at all times but there is no response.
> 
> I suspect that I'm not explaining myself very well.
> 

There is no such thing as a response timeout.

Socket timeout is a maximum period inactivity between two _consecutive_
i/o operations. That is, if the socket timeout is set to x milliseconds,
and the server sends a packet of data every x - 1 milliseconds,
connection on that socket will never time out.

Oleg



> 
> olegk wrote:
> > 
> > On Thu, 2011-11-24 at 15:38 -0800, richev wrote:
> >> Okay. Can you tell me how I code the client so that it does timeout after
> >> x
> >> seconds? I assumed that was what I was doing with the timeout options in
> >> my
> >> code that I posted. 
> >> 
> > 
> > Are you talking about connect timeout or socket timeout? If you mean the
> > latter, most likely your expectation is simply wrong. Please look up a
> > definition of the socket timeout and what exactly it signifies.  
> > 
> > Oleg
> > 
> >> 
> >> olegk wrote:
> >> > 
> >> > On Thu, Nov 24, 2011 at 12:42:35PM -0800, richevo wrote:
> >> >> 
> >> >> I hope this makes it clear. Apologies for the 4 posts with the same
> >> >> question,
> >> >> don't know what happened!
> >> >> 
> >> >> 
> >> >>
> >> java.util.logging.Logger.getLogger("org.apache.http.wire").setLevel(java.util.logging.Level.FINEST);
> >> >>
> >> java.util.logging.Logger.getLogger("org.apache.http.headers").setLevel(java.util.logging.Level.FINEST);
> >> >> System.setProperty("org.apache.commons.logging.Log",
> >> >> "org.apache.commons.logging.impl.SimpleLog");
> >> >>
> >> System.setProperty("org.apache.commons.logging.simplelog.showdatetime",
> >> >> "true");
> >> >>
> >> System.setProperty("org.apache.commons.logging.simplelog.log.httpclient.wire",
> >> >> "debug");
> >> >>
> >> System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.http",
> >> >> "debug");
> >> >>
> >> System.setProperty("org.apache.commons.logging.simplelog.log.org.apache.http.headers",
> >> >> "debug");
> >> >> 
> >> >> HttpClient setup ->
> >> >> HttpAsyncClient httpclient = new DefaultHttpAsyncClient();
> >> >>     	httpclient.getParams()
> >> >>             .setIntParameter(CoreConnectionPNames.SO_TIMEOUT, 3000)
> >> >>             .setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,
> >> >> 3000)
> >> >>             .setIntParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE,
> >> 8 *
> >> >> 1024)
> >> >>             .setBooleanParameter(CoreConnectionPNames.TCP_NODELAY,
> >> true);
> >> >> 
> >> >> Wire log->
> >> >> 
> >> >> 2011/11/24 20:37:21:885 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection request: [route:
> >> HttpRoute[{}->http://localhost:8080]][total
> >> >> kept
> >> >> alive: 0; route allocated: 0 of 2; total allocated: 0 of 20]
> >> >> 2011/11/24 20:37:21:930 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection leased: [id: 0][route:
> >> >> HttpRoute[{}->http://localhost:8080]][total kept alive: 0; route
> >> >> allocated:
> >> >> 1 of 2; total allocated: 0 of 20]
> >> >> 2011/11/24 20:37:21:936 GMT [DEBUG] DefaultHttpAsyncClient -
> >> Connection
> >> >> request suceeded:
> >> >> [id:0][route:HttpRoute[{}->http://localhost:8080]][state:null]
> >> >> 2011/11/24 20:37:21:981 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][rw:]: Event set [w]
> >> >> 2011/11/24 20:37:21:982 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [ACTIVE]: Connected
> >> >> 2011/11/24 20:37:21:984 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [ACTIVE] Request ready
> >> >> 2011/11/24 20:37:21:987 GMT [DEBUG] RequestAddCookies - CookieSpec
> >> >> selected:
> >> >> best-match
> >> >> 2011/11/24 20:37:22:006 GMT [DEBUG] RequestAuthCache - Auth cache not
> >> set
> >> >> in
> >> >> the context
> >> >> 2011/11/24 20:37:22:006 GMT [DEBUG] DefaultHttpAsyncClient - Attempt
1
> >> to
> >> >> execute request
> >> >> 2011/11/24 20:37:22:006 GMT [DEBUG] headers - http-outgoing-0 >>
GET
> >> >> /Test2/rest/world HTTP/1.1
> >> >> 2011/11/24 20:37:22:007 GMT [DEBUG] headers - http-outgoing-0 >>
Host:
> >> >> localhost:8080
> >> >> 2011/11/24 20:37:22:007 GMT [DEBUG] headers - http-outgoing-0 >>
> >> >> Connection:
> >> >> Keep-Alive
> >> >> 2011/11/24 20:37:22:007 GMT [DEBUG] headers - http-outgoing-0 >>
> >> >> User-Agent:
> >> >> Apache-HttpAsyncClient/4.0-alpha3 (java 1.5)
> >> >> 2011/11/24 20:37:22:009 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][rw:]: Event set [w]
> >> >> 2011/11/24 20:37:22:014 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][rw:w]: 138 bytes written
> >> >> 2011/11/24 20:37:22:014 GMT [DEBUG] wire - http-outgoing-0 >>
"GET
> >> >> /Test2/rest/world HTTP/1.1[\r][\n]"
> >> >> 2011/11/24 20:37:22:014 GMT [DEBUG] wire - http-outgoing-0 >>
"Host:
> >> >> localhost:8080[\r][\n]"
> >> >> 2011/11/24 20:37:22:014 GMT [DEBUG] wire - http-outgoing-0 >>
> >> >> "Connection:
> >> >> Keep-Alive[\r][\n]"
> >> >> 2011/11/24 20:37:22:015 GMT [DEBUG] wire - http-outgoing-0 >>
> >> >> "User-Agent:
> >> >> Apache-HttpAsyncClient/4.0-alpha3 (java 1.5)[\r][\n]"
> >> >> 2011/11/24 20:37:22:015 GMT [DEBUG] wire - http-outgoing-0 >>
> >> "[\r][\n]"
> >> >> 2011/11/24 20:37:22:015 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][r:w]: Event cleared
[w]
> >> >> 2011/11/24 20:37:22:015 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [ACTIVE] Request ready
> >> >> 2011/11/24 20:37:46:720 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][r:r]: 439 bytes read
> >> >> 2011/11/24 20:37:46:720 GMT [DEBUG] wire - http-outgoing-0 <<
> >> "HTTP/1.1
> >> >> 200
> >> >> OK[\r][\n]"
> >> >> 2011/11/24 20:37:46:720 GMT [DEBUG] wire - http-outgoing-0 <<
"Server:
> >> >> Apache-Coyote/1.1[\r][\n]"
> >> >> 2011/11/24 20:37:46:720 GMT [DEBUG] wire - http-outgoing-0 <<
> >> >> "Content-Type:
> >> >> application/atom+xml[\r][\n]"
> >> >> 2011/11/24 20:37:46:721 GMT [DEBUG] wire - http-outgoing-0 <<
> >> >> "Content-Length: 299[\r][\n]"
> >> >> 2011/11/24 20:37:46:721 GMT [DEBUG] wire - http-outgoing-0 <<
"Date:
> >> Thu,
> >> >> 24
> >> >> Nov 2011 20:37:46 GMT[\r][\n]"
> >> >> 2011/11/24 20:37:46:721 GMT [DEBUG] wire - http-outgoing-0 <<
> >> "[\r][\n]"
> >> >> 2011/11/24 20:37:46:722 GMT [DEBUG] wire - http-outgoing-0 <<
"<?xml
> >> >> version="1.0" encoding="UTF-8" standalone="yes"?><entry
> >> >> xmlns="http://www.w3.org/2005/Atom"
> >> >> xmlns:ns2="http://a9.com/-/spec/opensearch/1.1/"
> >> >>
> >> xmlns:ns3="http://www.w3.org/1999/xhtml"><id>helloworld:1</id><updated>2011-11-24T20:37:46.708Z</updated><title
> >> >> type="text">Hello World!</title></entry>"
> >> >> 2011/11/24 20:37:46:732 GMT [DEBUG] headers - http-outgoing-0 <<
> >> HTTP/1.1
> >> >> 200 OK
> >> >> 2011/11/24 20:37:46:732 GMT [DEBUG] headers - http-outgoing-0 <<
> >> Server:
> >> >> Apache-Coyote/1.1
> >> >> 2011/11/24 20:37:46:732 GMT [DEBUG] headers - http-outgoing-0 <<
> >> >> Content-Type: application/atom+xml
> >> >> 2011/11/24 20:37:46:732 GMT [DEBUG] headers - http-outgoing-0 <<
> >> >> Content-Length: 299
> >> >> 2011/11/24 20:37:46:732 GMT [DEBUG] headers - http-outgoing-0 <<
Date:
> >> >> Thu,
> >> >> 24 Nov 2011 20:37:46 GMT
> >> >> 2011/11/24 20:37:46:737 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [ACTIVE] Response received
> >> >> 2011/11/24 20:37:46:737 GMT [DEBUG] DefaultHttpAsyncClient - Response:
> >> >> HTTP/1.1 200 OK
> >> >> 2011/11/24 20:37:46:742 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [ACTIVE] Input ready [content length: 299; pos: 0;
> >> >> completed: false]
> >> >> 2011/11/24 20:37:46:742 GMT [DEBUG] DefaultHttpAsyncClient - Response
> >> >> fully
> >> >> read
> >> >> GET http://localhost:8080/Test2/rest/world HTTP/1.1->HTTP/1.1 200
OK
> >> >> 2011/11/24 20:37:46:749 GMT [DEBUG] DefaultHttpAsyncClient -
> >> Connection
> >> >> can
> >> >> be kept alive indefinitely
> >> >> 2011/11/24 20:37:46:749 GMT [DEBUG] DefaultHttpAsyncClient - Response
> >> >> processed
> >> >> 2011/11/24 20:37:46:750 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection [id: 0][route: HttpRoute[{}->http://localhost:8080]]
can be
> >> >> kept
> >> >> alive indefinitely
> >> >> 2011/11/24 20:37:46:750 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection released: [id: 0][route:
> >> >> HttpRoute[{}->http://localhost:8080]][total kept alive: 1; route
> >> >> allocated:
> >> >> 1 of 2; total allocated: 1 of 20]
> >> >> 2011/11/24 20:37:46:751 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection manager is shutting down
> >> >> 2011/11/24 20:37:46:751 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[ACTIVE][r:r]: Shutdown
> >> >> 2011/11/24 20:37:46:753 GMT [DEBUG] IOSessionImpl - http-outgoing-0
> >> >> 127.0.0.1:61717<->127.0.0.1:8080[CLOSED][]: Shutdown
> >> >> Done
> >> >> 2011/11/24 20:37:46:754 GMT [DEBUG] HttpAsyncClientProtocolHandler
-
> >> >> http-outgoing-0 [CLOSED]: Disconnected
> >> >> 2011/11/24 20:37:46:756 GMT [DEBUG]
> >> PoolingAsyncClientConnectionManager -
> >> >> Connection manager shut down
> >> >> 
> >> >> 
> >> > 
> >> > And what exactly is the problem here? I see nothing wrong here. I see
> >> no
> >> > reason why the connection should time out.
> >> > 
> >> > Oleg
> >> > 
> >> >> 
> >> >> 
> >> >> 
> >> >> 
> >> >> 	
> >> >> 
> >> >> olegk wrote:
> >> >> > 
> >> >> > On Wed, Nov 23, 2011 at 03:19:16PM -0800, richevo wrote:
> >> >> >> 
> >> >> >> I am using the latest HttpAsync library 4. alpha3
> >> >> >> 
> >> >> >> Is there an issue where the timeout for the connection is
not
> >> >> respected?
> >> >> >> I
> >> >> >> have set the timeout to 10 seconds and call a web service
that
> >> takes a
> >> >> >> minute to respond. I never experience a timeout. The
> >> AsyncHttpClient
> >> >> >> waits
> >> >> >> forever.
> >> >> >> 
> >> >> >> I've configured the timeouts as per the example code in Async.
> >> >> >> 
> >> >> >> Is it obvious what I'm doing wrong?
> >> >> > 
> >> >> > Please post a wire / context log of the session.
> >> >> > 
> >> >> > Oleg
> >> >> > 
> >> >> >
> >> ---------------------------------------------------------------------
> >> >> > To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
> >> >> > For additional commands, e-mail: httpclient-users-help@hc.apache.org
> >> >> > 
> >> >> > 
> >> >> > 
> >> >> 
> >> >> -- 
> >> >> View this message in context:
> >> >>
> >> http://old.nabble.com/HttpAsyncClient-4.0-alpha3-and-timeouts-tp32874649p32875604.html
> >> >> Sent from the HttpClient-User mailing list archive at Nabble.com.
> >> >> 
> >> >> 
> >> >> ---------------------------------------------------------------------
> >> >> To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
> >> >> For additional commands, e-mail: httpclient-users-help@hc.apache.org
> >> >> 
> >> > 
> >> > ---------------------------------------------------------------------
> >> > To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
> >> > For additional commands, e-mail: httpclient-users-help@hc.apache.org
> >> > 
> >> > 
> >> > 
> >> 
> > 
> > 
> > 
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: httpclient-users-unsubscribe@hc.apache.org
> > For additional commands, e-mail: httpclient-users-help@hc.apache.org
> > 
> > 
> > 
> 



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