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WBI_user · Posted: Wed Oct 12, 2005 1:47 pm Post subject:

I am not sure if this is a MB question or I simply do not know enough about http response.

I am running MB V5 with CSD 6.
I am testing the httprequest node (plain http request and response not web servcies).

My flow is like
mqinput - compute1 -httprequest - trece- compute2 - mqouput.

The message domain is blob

compute1 does nothing but just copy entire message
compute2 is to add MQ header back so that the http response can be output to the queue.

the httprequest node has
http://192.168.123.191:58080/
timeout 60
use input message as request (checked)
replace inout message with web service response (checked)
generate default http header (checked)

For this test, I have a simple http server (my own java program) running which listens on port 58080. All it does is build a reply with part of the original request data.

using nettool ( a utility to send and look at http reposne) I can see the reply generated by my http server is when I send a request conatining '123456' (plain text)

HTTP/1.0 200
Content-Type: text/plain

POST / HTTP/1.1
Host: 182.168.123.191
Content-Length: 6
Content-Type: text/xml
Connection: close

I then use MQ explorer to put a messgae (123456) to the input queue, I can see my http server showing data received as

POST / HTTP/1.0
Content-Length: 6
Content-Type: text/xml; charset=utf-8
Host: 192.168.123.191
SOAPAction: ""

This indicates that the httprequest node has sent out the request

But I am not getting any output

Trace node output shows exceptions as follow
:
:
(0x01000000):RecoverableException = (
(0x03000000):File = 'F:\build\S500_P\src\WebServices\WSLibrary\ImbWSRFC822HeaderParser.cpp'
(0x03000000):Line = 662
(0x03000000):Function = 'ImbHTTPHeaderParser::parseHttpHeaderLine'
(0x03000000):Type = ''
(0x03000000):Name = ''
(0x03000000):Label = ''
(0x03000000):Text = 'An error was found whilst parsing HTTP header data. The data is not a HTTP request or response. Invalid HTTP Header data.'
(0x03000000):Catalog = 'BIPv500'
(0x03000000):Severity = 3
(0x03000000):Number = 3159
(0x01000000):Insert = (
(0x03000000):Type = 2
(0x03000000):Text = '0'
)
(0x01000000):Insert = (
(0x03000000):Type = 14
(0x03000000):Text = 'HTTP/1.0 200
Content-Type: text/plain

POST / HTTP'
)
)

This means that my http server has returned a reply
" 'HTTP/1.0 200
Content-Type: text/plain

POST / HTTP'..."

Since it says invalid http header, so I did some reading to fnd out what the http response should look like and I came up with the following:

Http reponse
Status-Line = HTTP-Version SP Status-Code SP Reason-Phrase CRLF

It seems that I am missing the Reason-Phrase

So I change my program to return
HTTP/1.0 200 OK
Content-Type: text/plain

[some data from request]

But I am still not getting the output and now the trace shows a different error
:
:
(0x01000000):RecoverableException = (
(0x03000000):File = 'F:\build\S500_P\src\WebServices\WSLibrary\ImbWSRequest.cpp'
(0x03000000):Line = 282
(0x03000000):Function = 'ImbWSRequest::readHTTPHeadersFromSocket'
(0x03000000):Type = ''
(0x03000000):Name = ''
(0x03000000):Label = ''
(0x03000000):Text = 'An error occured whilst performing a TCP/IP socket operation. The socket was closed before all expected data was received, as the end of the HTTP headers have not been found. Total data received: &1.'
(0x03000000):Catalog = 'BIPv500'
(0x03000000):Severity = 3
(0x03000000):Number = 3161
(0x01000000):Insert = (
(0x03000000):Type = 2
(0x03000000):Text = '156'
)
)
)

It seems that it is not even reading the reply properly.
Any help ?