Plain HTTP sending Post Requests and Multipart Uploads
Hi,
I have a scenaio where I need to send an normal POST request
to the server. This request needs to have not the XML payload but
the same data in the form of a POST request.
Is there a way to transform the data out of the XML format into
the plain POST format prior to sending it?
Also, another scenario requires an file upload via HTTP (like a
file submitted by a web-form). Is this possible with PI and how?
Thanks for any pointers
Best regrads
Hi,
If you do not send any payload in the http request you are going to get a http error.
For your second requirement, There is no any problem, You can use any existent tool, or maybe develop you own program.
Http client.
http://www.sdn.sap.com/irj/scn/weblogs;jsessionid=(J2EE3417600)ID1536482550DB10501227175138097442End?blog=/pub/wlg/15296
Regards
Ivan
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Hello,
we have the following scenario. We are sending AJAX requests via JQuery to a BSP Page. Now the handling of GET requests works fine, however when we send POST requests we get the following error (translation by myself)
Message Number E NR 751 can not be processed in plugin mode.
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This is the code that works for me. Hope you find it useful.
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Hi all,
I face a blocking issue in one of my B2B process.
A marketplace must send Purchase orders to my customer with synchronous HTTPs requests.
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Unfortunately, I don't know any other option (based on XI; maybe you can develop some kind of external translator between your system and XI's http adapter). The first link (although it is based on a escenario in the oposite direction) speaks about using java proxy instead of the http adapter.
Here are some links:
/people/thorsten.nordholmsbirk/blog/2006/08/06/use-a-java-proxy-instead-of-a-jca-adapter
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a068cf2f-0401-0010-2aa9-f5ae4b2096f9
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f272165e-0401-0010-b4a1-e7eb8903501d
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/30572c6a-d311-2a10-99ab-f646ec3b5b12
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/d06315a6-e66e-2910-039c-ba8bbbd23702
https://www.sdn.sap.com/irj/sdn/advancedsearch?cat=sdn_all&query=java+proxy&adv=false&sortby=cm_rnd_rankvalue&start=21#
Regards,
Matias
ps: please award points if helpful. -
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Hi experts,
I am working with plain HTTP Adapters, a Java client is sending a HTTP request to XI server......the following url is used
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Thank you.
SabbirMaybe this page helps you:
http://www.kennethballard.com/Projects/HttpClient/readme-java.html
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Hi all,
I encountered the following 2 servlet problems in WLS 6.0/ 6.1:
1. Processing concurrent POST requests
WLS seems to disallow concurrent executions of any servlet's doPost servlet method.
When two clients attempt to send a request to a servlet using POST, the socond
one
is blocked until the first customer is served. In essence, the servlet ends up
operating in
1-user mode. I just learned from Jervis Liu that the problem is solved in WLS6.0
if you disable http-keepalive.
For WLS 6.1 a partial workaround is to make the servlet work in a single-thread
mode (by implementing the javax.servlet.SingleThreadModel interface). In this
case,
WLS dispatches concurrent requests to different instances of the servlet.
This doesn't completely eliminate the problem - still only one customer can be
connected at a time. The improvement is that once the first customer is disconnects,
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2. Flushing the response buffer in WLS 6.1
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the
buffer as per the documentation.
I see that other people are experiencing the same problems.
Has anyone found any solutions/workarounds or at least an explanation.
Any input would be highly appreciated.
Thanks in advance.
Samuel Kounev
Thanks for replying. Here my answers:
> Did you mark your doPost as synchronized?
No.
> Also, try testing w/ native i/o vs not ... is there a difference?
With native I/O turned off I get a little lower performance, but the
difference is not too big.
Best,
Samuel Kounev
> Peace,
>
> --
> Cameron Purdy
> Tangosol Inc.
> << Tangosol Server: How Weblogic applications are customized >>
> << Download now from http://www.tangosol.com/download.jsp >>
>
> "Samuel Kounev" <[email protected]> wrote in message
> news:[email protected]...
> >
> > Hi all,
> >
> > I encountered the following 2 servlet problems in WLS 6.0/ 6.1:
> >
> > 1. Processing concurrent POST requests
> >
> > WLS seems to disallow concurrent executions of any servlet's doPost
> servlet method.
> >
> > When two clients attempt to send a request to a servlet using POST, the
> socond
> > one
> > is blocked until the first customer is served. In essence, the servlet
> ends up
> > operating in
> > 1-user mode. I just learned from Jervis Liu that the problem is solved in
> WLS6.0
> >
> > if you disable http-keepalive.
> >
> > For WLS 6.1 a partial workaround is to make the servlet work in a
> single-thread
> >
> > mode (by implementing the javax.servlet.SingleThreadModel interface). In
> this
> > case,
> > WLS dispatches concurrent requests to different instances of the servlet.
> > This doesn't completely eliminate the problem - still only one customer
> can be
> >
> > connected at a time. The improvement is that once the first customer is
> disconnects,
> > the second can be served even if the doPost method for the first has not
> finished
> > yet.
> >
> > 2. Flushing the response buffer in WLS 6.1
> > The servlet response buffer is not flushed automatically until doPost
> ends, unless
> > you
> > explicitly call response.flushBuffer(). Closing the output stream doesn't
> flush
> > the
> > buffer as per the documentation.
> >
> > I see that other people are experiencing the same problems.
> >
> > Has anyone found any solutions/workarounds or at least an explanation.
> > Any input would be highly appreciated.
> >
> > Thanks in advance.
> >
> > Samuel Kounev
=====================================================
Samuel D. Kounev
Darmstadt University of Technology
Department of Computer Science
DVS1 - Databases & Distributed Systems Group
Tel: +49 (6151) 16-6231
Fax: +49 (6151) 16-6229
E-mail: mailto:[email protected]
http://www.dvs1.informatik.tu-darmstadt.de
http://skounev.cjb.net
=====================================================
[att1.html]
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this is my code files
addPhoto.jsp
<html>
<head>
<title>Add Photo</title>
<script>
var optionNo = 0;
var i=1;
var val=0;
var file = 0;
var exten = new Array(".jpg",".jpeg",".gif");
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try
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int formDataLength = request.getContentLength();
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byte[] buf = new byte[1024];
OutputStream out1 = new FileOutputStream("c:/docs/" + path);
int len;
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in.close();
out1.close();
out.write("File Uploaded SucssesFully");
catch(Exception e)
e.printStackTrace();
out.write("error while Writing File");
%>
the above code in request.getContentType() i am getting 0. I am not passing the content length. for the same application with out using Ajax i am
getting the size of file... it is very very urgent for me.. pls help me out on this...
Any one having the code on this pls mail me the code...
my mail id ... [email protected]
Regards
Ashok KumarSure, you can upload a file, using a form input element of type file. You pick this up with a servlet, though you need a special request wrapper to sort out the multi-part request you get back that way (there's a suitable package on jakarta.apache.org/commons)
The servlet decrypts the file and can pass the results to a JSP for display.
Don't try to do the complicated stuff in a JSP, it all gets incredibly messy, and that's not what JSPs are for. -
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1) HttpService and HttpMultiService claim to support PUT and DELETE in the docs, but that only applies via a server proxy even in AIR
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blog.buzzware.com.au -
Hi,
Can anyone point me to any documentation/example on the xml layout for the payload. I am using the plain http send to XI and I need to know how to put the data into the right xml format. Thanks..Hi Shilton,
As said already you can get the payload from the "src" of the test tab. But you have to be careful while creating it as a payload. Usually we create the payload as string. And also the XML needs the " compulsorily. for example in <?xml version=<b>"</b>1.0<b>"</b>.
while creating the string be careful and use '\' character before these quotes.
something like this.
var payload = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><ns0:input_mt xmlns:ns0=\"http://com.somenamespace\">
<val>000000000000001135</val>
</ns0:input_mt>";
hope this helps.
regards
venkat -
Query regarding sending XML over HTTP Post request
Hello,
I am trying to send XML data from a server to client via HTTP Post request
And vice versa � receive the data by a client
Assume that the xml data looks something like
<?xml+version="1.0"?>
So my post query will look like
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<?xml+version="1.0"?>
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Hi @ all,
I would like to send an HTTP Request with an XML File in the body to an SAP System
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I have a php script which exactly do this coding. But to integrate it all in one system it is necessary to transform it into ABAP and call it there.
// compose url and request and call send function
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$PIhost = "XXX.wdf.sap.corp";
$PIport = "50080";
$PIurl = "/sap/xi/adapter_plain";
$PIurl .= "?sap-client=800";
$PIurl .= "&service=XXX";
$PIurl .= "&namespace=XXX";
$PIurl .= "&interface=Frontend_Interface";
$PIurl .= "&qos=EO";
$PIurl .= "&sap-user=XXX";
$PIurl .= "&sap-password=XXX";
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$request = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
$request .="<n1:FrontendInbound_MessageType xmlns:n1=\"http://crmpiebay.com\">\n";
$request .= "\t<FrontendInbound>\n";
$request .= "\t\t<ProductName/>\n";
$request .= "\t\t<ProductCategory>".$categoryID."</ProductCategory>\n";
$request .= "\t\t<ProductID>".$productID."</ProductID>\n";
$request .= "\t\t<MessageID/>\n";
$request .= "\t</FrontendInbound>\n";
$request .= "</n1:FrontendInbound_MessageType>";
// send http request
postToHost($PIhost, $PIport, $PIurl, $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"]."/".$_SERVER["PHP_SELF"], $request);
// send post request to PI server
function postToHost($host, $port, $path, $referer, $data_to_send) {
$fp = fsockopen($host, $port);
if($fp) {
$res="";
fputs($fp, "POST $path HTTP/1.1\r\n");
fputs($fp, "Host: $host\r\n");
fputs($fp, "Referer: $referer\r\n");
fputs($fp, "Content-type: text/plain\r\n");
fputs($fp, "Content-length: ". strlen($data_to_send) ."\r\n");
fputs($fp, "Connection: close\r\n\r\n");
fputs($fp, $data_to_send);
while(!feof($fp)) {
$res .= fgets($fp, 128);
fclose($fp);
return $res;
Would be great if anybody could give me a hint how to solve such a HTTP Post request with XML body data.
Thanks in advance.
Chris
Edited by: Christian Kuehne on Feb 26, 2009 4:32 PMhi friend could you please share your solution regarding this query if u got it already?
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