Javascript Form Post with Jersey MultiFormData - Null Pointer Exception -


i'm trying post form data using javascript against jersey resource. here javascript:

            var form = document.getelementbyid('form');             var formdata = new formdata(form);              if (window.xmlhttprequest)               {// code ie7+, firefox, chrome, opera, safari               xmlhttp=new xmlhttprequest();               }             else               {// code ie6, ie5               xmlhttp=new activexobject("microsoft.xmlhttp");               }             xmlhttp.onreadystatechange=function()               {               if (xmlhttp.readystate==4 && xmlhttp.status==200)                 {                     document.getelementbyid("xmltextbox").innerhtml=xmlhttp.responsetext;                 }               }             xmlhttp.open("post", "postxml", true);             xmlhttp.setrequestheader('content-type', 'multipart/form-data');             xmlhttp.setrequestheader("content-length", formdata.length);             xmlhttp.setrequestheader("connection", "close");             xmlhttp.send(formdata);

the jersey resource this:

@path("/resource") public class myclass {  @post @consumes(mediatype.multipart_form_data) @produces(mediatype.text_xml) public string postxml(@formdataparam("param1") string param1,  @formdataparam("param2") string param2){  return "test";  }

the real version includes more params , full code, annotations same. produces following exception when running through tomcat:

java.lang.nullpointerexception     @ com.sun.jersey.multipart.impl.multipartreaderclientside.unquotemediatypeparameters(multipartreaderclientside.java:227)     @ com.sun.jersey.multipart.impl.multipartreaderclientside.readmultipart(multipartreaderclientside.java:154)     @ com.sun.jersey.multipart.impl.multipartreaderserverside.readmultipart(multipartreaderserverside.java:80)     @ com.sun.jersey.multipart.impl.multipartreaderclientside.readfrom(multipartreaderclientside.java:144)     @ com.sun.jersey.multipart.impl.multipartreaderclientside.readfrom(multipartreaderclientside.java:82)     @ com.sun.jersey.spi.container.containerrequest.getentity(containerrequest.java:488)     @ com.sun.jersey.spi.container.containerrequest.getentity(containerrequest.java:552)

from looking @ source produced exception looks param isn't coming through:

224     (final string parametername : parameters) { 225         string parametervalue = mediatype.getparameters().get(parametername); 226 227         if (parametervalue.startswith("\"")) { 228             parametervalue = parametervalue.substring(1, parametervalue.length() - 1); 229             unquotedparams.put(parametername, parametervalue); 230         } 231     }

i;ve used firebug put trace on , name / values coming through differently when using javascript compared straight html post. in trace html post content type returned in upload stream:

request headers upload stream content-length  1756 content-type    multipart/form-data; boundary=---------------------------1523409566516443041527622966

but javascript seems standard post or something? ideas how replicate multiformdata post in javascript??

any ideas looks i'm passing things through ok? i've tried using normal html form post , works fine, must related javascript.

remove setrequestheader

var form = document.getelementbyid('form'); var formdata = new formdata(form);  var xmlhttp=new xmlhttprequest();   } xmlhttp.onreadystatechange=function()   {   if (xmlhttp.readystate==4 && xmlhttp.status==200)     {         document.getelementbyid("xmltextbox").innerhtml=xmlhttp.responsetext;     }   } xmlhttp.open("post", "postxml", true); xmlhttp.send(formdata);

http://jsfiddle.net/8nwb7/ working
http://jsfiddle.net/8nwb7/1/ not working


Comments

Post a Comment

Popular posts from this blog

c# - DetailsView in ASP.Net - How to add another column on the side/add a control in each row? -

i have detailsview control on page used edit various fields of record, works in respect. i looking way add 1 column (and if works, why not more) right, absolutely read-only, show same fields of record comparison purposes. i aware there no obvious way such thing out of box detailsview . have looked other controls (transposed gridview , recommended formview , listview ), nothing satisfies. have special data binding setup using detailsview , can't out of without losing features. anyone on how "hack in" additional columns (for display only) on detailsview ? the solution have now, use second detailsview , visible set false in aspx. in code, make sure databind hidden detailsview hosts data third column first, initial detailsview named itemdetails . and in item created event, pass third column html rendering of hidden controls (in last code block) : protected void itemdetails_itemcreated(object sender, eventargs e) { if (dataite
Read more

javascript - firefox memory leak -

i have following script (i use raphaeljs also) draws circle, waits 1 second, draws circle again, etc (you can copy paste - functional, need include raphael raphaeljs.com): <div id="holder"> </div> <script src="raphael.js" type="text/javascript"></script> <script> var paper = raphael(10, 50, 320, 200); var rad = math.pi / 180; var finangle = 0; function sector(cx, cy, r, startangle, endangle, params) { var x1 = cx + r * math.cos(-startangle * rad), x2 = cx + r * math.cos(-endangle * rad), y1 = cy + r * math.sin(-startangle * rad), y2 = cy + r * math.sin(-endangle * rad); return ["m", cx, cy, "l", x1, y1, "a", r, r, 0, +(endangle - startangle > 180), 0, x2, y2]; } var path = sector(100,100,50,0,180); var arc = paper.path(path); function draw() { path = sector(100,100,50,0,finangle);
Read more

Trying to import CSV file to a SQL Server database using asp.net and c# - can't find what I'm missing -

i student , quite new programming, , given task using asp.net , c#, without being taught either. plan learn teach ourselves. the task stuck on making website import csv file sql server database of last year's room bookings around campus. the table has following columns: request_id; priority; module_id; day; start_time; length; park; students; room_code; status; semester_id; linked_request; week_1; week_2; week_3; week_4; week_5; week_6; week_7; week_8; week_9; week_10; week_11; week_12; week_13; week_14; week_15; ) in code, try make work 3 columns (request_id,priority,module) starters. when press import button, want read .csv file (with fixed name @ fixed directory) eg "1,2,3" - comma separating fields [delimiter] - , import sql server datab
Read more