Dear Roland
1. did you execute a GET before the POST to establish a session?
yes the initial request was Get request
2. are session cookies obtained with the GET sent back as expected?
Play around with cookie policies and "single-cookie-header", as
mentioned in the cookie guide.
I didnt handled any cookie policies, but checked the Cookie request
header of the second and third request, it was ok.
3. are you sure you send all required parameters with the POST?
In the same format as indicated by the <form> in the web page?
(multipart vs. URL-encoded)
yes i am sure, since i use ie http analyser and get the required parameters
4. try sending a User-Agent header with an IE or Mozilla value
5. try sending a Referer-Header (spelling intentional)
6. get a network monitor, grab the request sent by the browser,
then compare the one generated by HttpClient line-by-line
7. if you have problems creating a request identical to the one
generated by the browser, post a *detailed* description of
what you want to send and what is generated by HttpClient
i use ie http analyser and get the required informations and i set all
the request headers and i give the required form values .
i checked the cookie values,every thing is right, the response is 200
ok,but the content length is zero.i have pasted the code below.
please have a look and suggest me some ideas.
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import java.awt.HeadlessException;
import java.io.IOException;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.TraceMethod;
public class GoAirAvailability {
public static void main(String[] args) throws IOException,
HeadlessException {
HttpClient client = new HttpClient();
try{
GetMethod homepage = new GetMethod("http://www.goair.in/";);
homepage.setRequestHeader("Request-Line","GET /HTTP/1.1");
homepage.setRequestHeader("Accept","image/gif,image/x-xbitmap,
image/jpeg,
image/pjpeg,application/x-shockwave-flash,application/vnd.ms-excel,application/vnd.ms-powerpoint,
application/msword,*/*");
homepage.setRequestHeader("Accept-Language","en-us");
homepage.setRequestHeader("Accept-Encoding","gzip,deflate");
homepage.setRequestHeader("User-Agent","Mozilla/4.0(compatible; MSIE
6.0; Windows NT 5.1; SV1)");
homepage.setRequestHeader("Host","www.goair.in");
homepage.setRequestHeader("Connection","Keep-Alive");
int statusCode0 = client.executeMethod(homepage);
System.out.println("Search
page::flykingfisher.biz"+homepage.getStatusLine());
System.out.println("Response headers of request1 (home
page)-----------------------------------------------");
Header[] homepageres = homepage.getResponseHeaders();
for (int i = 0; i < homepageres.length; i++) {
System.out.println(homepageres[i].toExternalForm());
}
System.out.println("--------------------------------------------------------------------------------------");
PostMethod searchresult = new
PostMethod("http://www.goair.in/besr_availability.aspx";);
searchresult.setRequestHeader("Request-Line","POST/besr_availability.aspx
HTTP/1.1");
searchresult.setRequestHeader("Accept","image/gif,image/x-xbitmap,
image/jpeg,
image/pjpeg,application/x-shockwave-flash,application/vnd.ms-excel,application/vnd.ms-powerpoint,
application/msword,*/*");
searchresult.setRequestHeader("Referer","http://goair.in/";);
searchresult.setRequestHeader("Accept-Language","en-us");
searchresult.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
searchresult.setRequestHeader("Accept-Encoding","gzip,deflate");
searchresult.setRequestHeader("User-Agent","Mozilla/4.0(compatible;
MSIE 6.0; Windows NT 5.1; SV1)");
searchresult.setRequestHeader("Host","goair.in");
//searchresult.setRequestHeader("Content-Length","551");
searchresult.setRequestHeader("Connection","Keep-Alive");
searchresult.setRequestHeader("Cache-Control","no-cache");
//searchresult.setRequestHeader("Cookie","ASP.NET_SessionId=wsdgmsbpbb5k3prikmg50c45");
NameValuePair nvp1 = new
NameValuePair("cboNationality","IN");
NameValuePair nvp2 = new NameValuePair("hidRemote","");
NameValuePair nvp3 = new
NameValuePair("__EVENTTARGET","BE_SearchBar11:lnkSearch");
NameValuePair nvp4 = new NameValuePair("rbRound","one");
NameValuePair nvp5 = new NameValuePair("cboChild","0");
NameValuePair nvp6 = new
NameValuePair("__EVENTARGUMENT","");
NameValuePair nvp7 = new NameValuePair("cboInfant","0");
NameValuePair nvp8 = new NameValuePair("hidDestination","");
NameValuePair nvp9 = new
NameValuePair("__VIEWSTATE","dDwyODczMTEwMjk7dDw7bDxpPDE+Oz47bDx0PDtsPGk8Mz47PjtsPHQ8O2w8aTwwPjtpPDE+Oz47bDx0PHA8O3A8bDxvbmNsaWNrOz47bDxyZXR1cm4gdmFsaWRhdGVfU2VhcmNoKCk7Pj4+Ozs+O3Q8cDw7cDxsPG9uY2xpY2s7PjtsPHJldHVybiB2YWxpZGF0ZV9TZWFyY2goKTs+Pj47Oz47Pj47Pj47Pj47PjiegUxbAvWlc5Hrx0/8gVkHebp9");
NameValuePair nvp10 = new NameValuePair("cboClass","3");
NameValuePair nvp11 = new NameValuePair("hidRound","one");
NameValuePair nvp12 = new
NameValuePair("cbodepdayyear","3,2006");
NameValuePair nvp13 = new NameValuePair("cboAdult","1");
NameValuePair nvp14 = new NameValuePair("hidRetDate","");
NameValuePair nvp15 = new
NameValuePair("cboOrigin","GOI7");
NameValuePair nvp16 = new NameValuePair("cbodepday","11");
NameValuePair nvp17 = new NameValuePair("hidOrigin","");
NameValuePair nvp18 = new
NameValuePair("cboDestination","BOM1");
//NameValuePair nvp19 = new
NameValuePair("cbomonthyearret","3,2006");
// NameValuePair nvp20 = new NameValuePair("cboretday","10");
searchresult.setRequestBody(new
NameValuePair[]{nvp1,nvp2,nvp3,nvp4,nvp5,nvp6,nvp7,nvp8,nvp9,nvp10,
nvp11,nvp12,nvp13,nvp14,nvp15,nvp16,nvp17,nvp18});//,nvp19,nvp20
/*
searchresult.setRequestBody("__EVENTTARGET=BE_SearchBar11%3AlnkSearch&__EVENTARGUMENT=&__VIEWSTATE=dDwyODczMTEwMjk7dDw7bDxpPDE%2BOz47bDx0PDtsPGk8Mz47PjtsPHQ8O2w8aTwwPjtpPDE%2BOz47bDx0PHA8O3A8bDxvbmNsaWNrOz47bDxyZXR1cm4gdmFsaWRhdGVfU2VhcmNoKCk7Pj4%2BOzs%2BO3Q8cDw7cDxsPG9uY2xpY2s7PjtsPHJldHVybiB2YWxpZGF0ZV9TZWFyY2goKTs%2BPj47Oz47Pj47Pj47Pj47Pkx%2B1JMmXFaM8Kb85kapAZSVJvDx&"
+
"rbRound=one&hidRound=one&hidRemote=&cboOrigin=GOI7&hidOrigin=&cboDestination=BOM1&hidDestination=&"
+
"cbodepday=11&cbodepdayyear=3%2C2006&hidRetDate=&cboAdult=1&cboInfant=0&cboChild=0&cboClass=3&"
+
"cboNationality=IN");
*/
int status1 = client.executeMethod(searchresult);
System.out.println(searchresult.getResponseBodyAsString());
System.out.println("Request headers of request
2-----------------------------------------------");
Header[] searchresultreq =
searchresult.getRequestHeaders();
for (int i = 0; i < searchresultreq.length; i++)
{
System.out.println(searchresultreq[i].toExternalForm());
}
System.out.println("--------------------------------------------------------------------------------------");
System.out.println(searchresult.getRequestHeader("Cookie"));
System.out.println("Search
page::flykingfisher.biz"+homepage.getStatusLine());
System.out.println("Response headers of request
2-----------------------------------------------");
Header[] searchresultres =
searchresult.getResponseHeaders();
for (int i = 0; i < searchresultres.length; i++)
{
System.out.println(searchresultres[i].toExternalForm());
}
System.out.println("--------------------------------------------------------------------------------------");
GetMethod searchresultpage = new
GetMethod("http://www.goair.in/Booking/BERP_Availability.aspx";);
searchresultpage.setRequestHeader("Request-Line","GET/Booking/BERP_Availability.aspx
HTTP/1.1");
searchresultpage.setRequestHeader("Accept","image/gif,image/x-xbitmap,
image/jpeg,
image/pjpeg,application/x-shockwave-flash,application/vnd.ms-excel,application/vnd.ms-powerpoint,
application/msword,*/*");
searchresultpage.setRequestHeader("Accept-Language","en-us");
searchresultpage.setRequestHeader("Accept-Encoding","gzip,deflate");
searchresultpage.setRequestHeader("User-Agent","Mozilla/4.0(compatible;
MSIE 6.0; Windows NT 5.1; SV1)");
searchresultpage.setRequestHeader("Host","goair.in");
searchresultpage.setRequestHeader("Connection","Keep-Alive");
//searchresultpage.setRequestHeader("Cookie","ASP.NET_SessionId=wsdgmsbpbb5k3prikmg50c45");
int finalstatus = client.executeMethod(searchresultpage);
System.out.println(searchresultpage.getRequestHeader("Cookie"));
System.out.println(searchresultpage.getResponseBodyAsString());
System.out.println("Response headers of request 2
-----------------------------------------------");
Header[] searchresultpageres =
searchresultpage.getResponseHeaders();
for (int i = 0; i < searchresultpageres.length;i++) {
System.out.println(searchresultpageres[i].toExternalForm());
}
System.out.println("--------------------------------------------------------------------------------------");
}
catch(IOException e)
{
System.out.println(e);
}
}
}
regards
rajapandian.
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