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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: Antwort: Re: HttpClient 3.0 rc4 hangs at the end of chunked response
Date Fri, 20 Jan 2006 16:10:24 GMT
Balazs Szuecs wrote:
> hi,
> 
> I checked my code, and after wire-logging the entire response content it 
> surely still hangs in socketRead, here is the stacktrace of it:
> 
> SocketInputStream.socketRead(byte[], int, int) line: not available [native 
> method]
...
> PostMethod(HttpMethodBase).readStatusLine(HttpState, HttpConnection) line: 
> 1832
...
Pardon me, but HttpClient is blocked awaiting a status line (see above) 
of an HTTP response. This has *nothing* to do with the chunk encoding.

Please double-check your code once again

Oleg

> PostMethod(HttpMethodBase).readResponse(HttpState, HttpConnection) line: 
> 1590
> PostMethod(HttpMethodBase).execute(HttpState, HttpConnection) line: 995
> HttpMethodDirector.executeWithRetry(HttpMethod) line: 395
> HttpMethodDirector.executeMethod(HttpMethod) line: 170
> HttpClient.executeMethod(HostConfiguration, HttpMethod, HttpState) line: 
> 396
> HttpClient.executeMethod(HttpMethod) line: 324
> 
> I use HTTP1.1, allow no redirects, and I have a 
> MultithreadedConnectionManager (pool) behind the client. As far as I know, 
> two empty lines after a chunk should terminate the reading, but 
> unfortunately it does not happen. Other requests to the same server which 
> don't use chunk encoding but specify a content-length response header work 
> fine with the same code.
> 
> Btw. shouldn't  ChunkedInputStream occur somewhere in the trace above?
> 
> best regards 
> Balazs
> 
> 
> 
> 
> 
> Oleg Kalnichevski <olegk@apache.org> 
> 20.01.2006 14:26
> Bitte antworten an
> "HttpClient User Discussion" <httpclient-user@jakarta.apache.org>
> 
> 
> An
> HttpClient User Discussion <httpclient-user@jakarta.apache.org>
> Kopie
> 
> Thema
> Re: HttpClient 3.0 rc4 hangs at the end of chunked response
> 
> 
> 
> 
> 
> 
> Balazs Szuecs wrote:
> 
>>Hello, 
>>
>>I use HttpClient 3.0 rc4 and I'm experiencing a problem with chunked 
>>transfer encoding. The client connects to a Tomcat 4.1 servlet, which 
>>returns data with chunked encoding. I can see in the wire log, that the 
>>entire data has been transferred, even the two blank lines as the end of 
> 
> a 
> 
>>chunked response message. However, the client hangs at the end of the 
>>response message, and waits forever (until read timeout) for more 
> 
> response 
> 
>>bytes to come! How do I instruct HttpClient to handle chunked responses 
>>correctly? (see full wire log below)
>>
>>thank you very much!
>>Balazs
>>
> 
> 
> HttpClient is not known to have any issues with the chunk-encoding. I 
> regularly test HttpClient and HttpComponents against Tomcat.
> 
> You do not have to do anything special to make HttpClient handle 
> chunk-encoding. The transfer encoding processing is absolutely 
> transparent to the caller.
> 
> I suggest you double-check your code.
> 
> Oleg
> 
> 
> 
>>20060119 17:00:52,354 httpclient.wire.header DEBUG>> "POST /disp 
>>HTTP/1.1[\r][\n]"
>>20060119 17:00:52,373 httpclient.wire.header DEBUG>> "Content-Type: 
>>application/octet-stream[\r][\n]"
>>20060119 17:00:52,384 httpclient.wire.header DEBUG>> "User-Agent: 
>>Java1.3.1_13[\r][\n]"
>>20060119 17:00:52,396 httpclient.wire.header DEBUG>> "Cookie: 
>>JSESSIONID=84F2963C9FED08E7AF7896A125AB6DD7.0;[\r][\n]"
>>20060119 17:00:52,408 httpclient.wire.header DEBUG>> "Host: 
>>bnic1s1j1:8009[\r][\n]"
>>20060119 17:00:52,417 httpclient.wire.header DEBUG>> "Content-Length: 
>>950[\r][\n]"
>>20060119 17:00:52,426 httpclient.wire.header DEBUG>> "[\r][\n]"
>>20060119 17:00:52,444 httpclient.wire.content DEBUG>> 
>>
> 
> "[0xac][0xed][0x0][0x5]sr[0x0]-infinity.security.connector.RequestDataIntern[0x1a][0x81][0x83]*[0x84]5z{[0x2][0x0][0xc]J[0x0][0xf]ifModifiedSinceJ[0x0][0xb]requestHashL[0x0][0x12]originalRemoteAddrt[0x0][0x12]Ljava/lang/String;L[0x0][0x8]paramMapt[0x0][0x15]Ljava/util/Hashtable;L[0x0][0x8]pathInfoq[0x0]~[0x0][0x1]L[0x0][0xb]queryStringq[0x0]~[0x0][0x1]L[0x0][\r]requestMethodq[0x0]~[0x0][0x1]L[0x0][\n]"
> 
>>20060119 17:00:52,474 httpclient.wire.content DEBUG>> 
>>
> 
> "requestURIq[0x0]~[0x0][0x1]L[0x0][0xb]serviceNameq[0x0]~[0x0][0x1]L[0x0][0x10]serviceParametert[0x0][0x12]Ljava/lang/Object;L[0x0][0xb]servletPathq[0x0]~[0x0][0x1]L[0x0][0xb]uploadFilest[0x0][0x10]Ljava/util/List;xp[0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x0][0x89][0xec]3t[0x0][\r]162.25.212.20sr[0x0][0x13]java.util.Hashtable[0x13][0xbb][0xf]%!J[0xe4][0xb8][0x3][0x0][0x2]F[0x0][\n]"
> 
>>20060119 17:00:52,501 httpclient.wire.content DEBUG>> 
>>
> 
> "loadFactorI[0x0][0x9]thresholdxp?@[0x0][0x0][0x0][0x0][0x0][0x8]w[0x8][0x0][0x0][0x0][0xb][0x0][0x0][0x0][0x6]t[0x0][0x9]verfuegerur[0x0][0x13][Ljava.lang.String;[0xad][0xd2]V[0xe7][0xe9][0x1d]{G[0x2][0x0][0x0]xp[0x0][0x0][0x0][0x1]t[0x0][0x10]80FBC87C27DC70C7t[0x0][0x5]firmauq[0x0]~[0x0][\n]"
> 
>>20060119 17:00:52,519 httpclient.wire.content DEBUG>> 
>>
> 
> "[0x0][0x0][0x0][0x1]t[0x0][0x10]9A18E661F175F551t[0x0][0x7]partneruq[0x0]~[0x0][\n]"
> 
>>20060119 17:00:52,530 httpclient.wire.content DEBUG>> 
>>
> 
> "[0x0][0x0][0x0][0x1]t[0x0][0xb]smartstreamt[0x0][0xb]verfuegerBNuq[0x0]~[0x0][\n]"
> 
>>20060119 17:00:52,542 httpclient.wire.content DEBUG>> 
>>
> 
> "[0x0][0x0][0x0][0x1]t[0x0]0A1CEF212EA42DDF67F585633ED81BB4E0B042FFDA43BFCB3t[0x0][0x7]encodeduq[0x0]~[0x0][\n]"
> 
>>20060119 17:00:52,555 httpclient.wire.content DEBUG>> 
>>
> 
> "[0x0][0x0][0x0][0x1]t[0x0]@R2zNYaz1QT+lHCvsil9jhkWvttVWnjnFtDVGzlQCjuYCKWYCKWUVdKaA/CkvRVvpt[0x0][0x7]firmaBNuq[0x0]~[0x0][\n]"
> 
>>20060119 17:00:52,571 httpclient.wire.content DEBUG>> 
>>
> 
> "[0x0][0x0][0x0][0x1]t[0x0]0ADADFA6FCBECCDCBE7748A45A47DE6B80B99329C3ABE0E5Cxppt[0x0][0x4]POSTt[0x0][0x1c]/TradeConnectUserDataServlett[0x0][0x1b]TradeConnectUserDataServicept[0x0][0x1c]/TradeConnectUserDataServletp"
> 
>>20060119 17:00:52,613 httpclient.wire.header DEBUG<< "HTTP/1.1 200 
>>OK[\r][\n]"
>>20060119 17:00:52,632 httpclient.wire.header DEBUG<< "Pragma: 
>>no-cache[\r][\n]"
>>20060119 17:00:52,642 httpclient.wire.header DEBUG<< "Content-Type: 
>>text/xml; charset=utf-8[\r][\n]"
>>20060119 17:00:52,652 httpclient.wire.header DEBUG<< "Transfer-Encoding: 
> 
> 
>>chunked[\r][\n]"
>>20060119 17:00:52,662 httpclient.wire.header DEBUG<< "Date: Thu, 19 Jan 
>>2006 16:00:52 GMT[\r][\n]"
>>20060119 17:00:52,672 httpclient.wire.header DEBUG<< "Server: Apache 
>>Coyote/1.0[\r][\n]"
>>20060119 17:00:53,724 httpclient.wire.content DEBUG<< "4"
>>20060119 17:00:53,731 httpclient.wire.content DEBUG<< "d"
>>20060119 17:00:53,738 httpclient.wire.content DEBUG<< "9"
>>20060119 17:00:53,744 httpclient.wire.content DEBUG<< "[\r]"
>>20060119 17:00:53,751 httpclient.wire.content DEBUG<< "[\n]"
>>20060119 17:00:53,759 httpclient.wire.content DEBUG<< "<?xml 
> 
> version="1.0" 
> 
>>encoding="utf-8"?>[\n]"
>>20060119 17:00:53,801 httpclient.wire.content DEBUG<< 
>>"<Userdata><Status>ok</Status><Statusmessage>Userdata is 
>>
> 
> OK!</Statusmessage><BNID>7889180711580351471</BNID><OLAVID>01381317</OLAVID><FirmBNID>-3943745741496866276</FirmBNID><FirmOLAVID>50907897</FirmOLAVID><FirstName>Walter</FirstName><LastName>K[0xc3][0xb6]ck</LastName><HlpUil>DE</HlpUil><ApplicationUil>DE</ApplicationUil><Title></Title><Salutation>Sehr

> 
> 
>>geehrter Herr 
>>Kmzlr.!</Salutation><Street>B[0xc3][0xa4]ckenbr[0xc3][0xbc]nnlgasse 
>>
> 
> 7b</Street><PostalCode>1180</PostalCode><City>Wien</City><Country>AT</Country><Email></Email><PhoneNumber></PhoneNumber><MobileNumber></MobileNumber><FaxNumber></FaxNumber><Account><AccountNumberOLAV>00677124000</AccountNumberOLAV><AccountCurrency>EUR</AccountCurrency><AccountType>KK</AccountType><AccountProductNumber>00040</AccountProductNumber><AccountRole>ZBE</AccountRole><AccountBLZ>12000</AccountBLZ><AccountTitle>LEITZ-AUSTRIA

> 
> 
>>Vertriebs GmbH 
>>
> 
> </AccountTitle></Account><Account><AccountNumberOLAV>57905627980</AccountNumberOLAV><AccountCurrency>EUR</AccountCurrency><AccountType>DD</AccountType><AccountProductNumber>00780</AccountProductNumber><AccountRole>ZBE</AccountRole><AccountBLZ>12000</AccountBLZ><AccountTitle>LEITZ-AUSTRIA

> 
> 
>>Vertriebs GmbH  </AccountTitle></Account></Userdata>"
>>20060119 17:00:53,854 httpclient.wire.content DEBUG<< "[\r]"
>>20060119 17:00:53,861 httpclient.wire.content DEBUG<< "[\n]"
>>20060119 17:00:53,868 httpclient.wire.content DEBUG<< "0"
>>20060119 17:00:53,874 httpclient.wire.content DEBUG<< "[\r]"
>>20060119 17:00:53,881 httpclient.wire.content DEBUG<< "[\n]"
>>20060119 17:00:53,888 httpclient.wire.content DEBUG<< "[\r]"
>>20060119 17:00:53,894 httpclient.wire.content DEBUG<< "[\n]"
>>
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