image - NoClassDefFoundError on MultiPart compilable method in Android -


i'm dealing following problem: when trying upload image through multipart entity , seems several updates on httpclient/mime cracking everything. i'm trying following code, fails noclassdeffounderror:

public static void executemultipartpost(file image, arraylist<cookie> cookies, string myurltopost) {     try {         // post instance         httppost httppost = new httppost(myurltopost);         // setting cookies connection session         if (cookies != null && cookies.size() > 0) {             string cookiestring = "";             (int i=0; i<cookies.size(); ++i) {                 cookiestring += cookies.get(i).getname()+"="+cookies.get(i).getvalue()+";";             }             cookiestring += "domain=" + baseurl + "; " + "path=/";             httppost.addheader("cookie", cookiestring);         }         // creating http client         httpclient httpclient = new defaulthttpclient();         // creating multientity part [error occurs in bellow line]         multipartentity multipartentity = new multipartentity();         multipartentity.addpart("photoupload", new filebody(image));         httppost.setentity(multipartentity);         httpresponse response = httpclient.execute(httppost);         httpentity resentity = response.getentity();     } catch (exception e) {} }

this method compilable , uses httpclient-4.0.1.jar , httpmime-4.2.jar libs, again, crashes on commented line me.

am missing something?

ok, here have libraries needed multipart post, credits satya komatineni , david maclean, writers of pro android 3 , 4 , quote book

to multipart post calls, need 3 additional apache open source projects: apache commons io, mime4j, , httpmime. can download these projects following web sites: commons io: http://commons.apache.org/io/ mime4j: http://james.apache.org/mime4j/ httpmime: http://hc.apache.org/downloads.cgi (inside of httpclient)


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