{"id":1646,"date":"2022-08-30T15:18:16","date_gmt":"2022-08-30T15:18:16","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/11\/27\/problem-about-response-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:18:16","modified_gmt":"2022-08-30T15:18:16","slug":"problem-about-response-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-response-collection-of-common-programming-errors\/","title":{"rendered":"problem about response-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a9b6f01bfa14f98d246e64262f7190f3?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nPhil Moorhouse<br \/>\nphp security symfony2 response<br \/>\nI&#8217;ve created a custom voter that denies access to my API if the request doesn&#8217;t contain a valid auth header. It&#8217;s based on a combination of two cookbook entries: http:\/\/symfony.com\/doc\/current\/cookbook\/security\/voters.html and http:\/\/symfony.com\/doc\/current\/cookbook\/security\/custom_authentication_provider.html&lt;?phpnamespace Acme\\RestBundle\\Security\\Authorization\\Voter;use Symfony\\Component\\DependencyInjection\\ContainerInterface; use Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterIn<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/16e4aaaaba5903d44a28ebc8044bd5bb?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nkurochenko<br \/>\njson spring extjs upload response<br \/>\nI was creating file upload using ExtJS 4 frontend and Spring 3 as backend. File upload works, but the response from server has wrong content type. When I send {success:true} using Map&lt;String, Object&gt; serialized by Jackson, ExtJS returns errorUncaught Ext.Error: You&#8217;re trying to decode an invalid JSON String: &lt;pre style=&#8221;word-wrap: break-word; white-space: pre-wrap;&#8221;&gt;{&#8220;success&#8221;:true}&lt;\/pre&gt;Why is my response wrapped with &lt;pre&gt; tag? I&#8217;ve searched and found out that I should<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a1a8943f5d1d2089ae2b322f48dbb3f7?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nammianus<br \/>\njsp nullpointerexception websphere response<br \/>\nI have a legacy JSP that has scriplets, I am doing testing of it in our application on Websphere 7.0.0.13. The same JSP, with exact same data works correctly in Weblogic 10.3.2.The JSP uses code to produce a lot of HTML output + javascript. On Websphere is failing consistently with a NullPointerException in the middle of the JSP&#8217;s output. Everytime it fails it fails around 680 KB of data in the page.If I view source from a browser, the last line of output gets cutoff, something like this&#8221;;docume<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ce4aa9f914ee797e1c8ae6546b86d5e8?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nwuliwong<br \/>\njavascript json format response<br \/>\nI am using the Framey API for video recording. When I make a request I get back the json response I expect, but an error is raised:Uncaught SyntaxError: Unexpected token :Here&#8217;s the javascriptvar url = &#8220;http:\/\/framey.com\/api\/videos\/ba9bd910-549d-012e-32f4-549a20bdfc52? api_key=7VNKGLJZLKSASZ0FXN2TVSZQU&amp;signature=41B08D68E0A4AC2DD91107BBD6AD08B8&amp;time_stamp=1304447242&#8221;;$(&#8220;button&#8221;).click(function() {$.ajax({url: url,dataType: &#8216;json&#8217;,crossDomain: true}).done(function() { $(&#8220;.video&#8221;).html(&#8220;he<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/2234d63a1a6534c727e958d161d8bbb4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsotn<br \/>\najax jsp response<br \/>\nI am trying out some AJAX code, where an HTML page makes an ajax call to a JSP page and gets the date from the JSP to present on the HTML page. The code below just shows the entire reponse in the alert box, and all I get in return is a random number like this :1334754128581. The responsetext is not returning the HTML. The code does return a readystate of 4 and status == 200. Here&#8217;s the code in the HTML:&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt;&lt;meta http-equiv=&#8221;Content-Type&#8221; content=&#8221;tex<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/6ba312091e4eaa1b1e3b08522eb8d8c2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nC.Barlow<br \/>\nphp ajax internet-explorer firefox response<br \/>\nAjax responds with an empty string when triggered via form onsubmit in Firefox, but it is working fine in Internet Explorer and Opera (works in Firefox if sent by a submit button instead of form onsubmit).I am simply calling a php file with the ajax GET and the php file response with &#8211; echo $response = &#8220;something&#8221;;. Then the response value is alerted. I am getting it work in IE but in Firefox the response is an empty string (checked by typeof()).code is 4 files: index.php, ajax-connect.js, cbb.<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/8fbb73f29572e75c1a55b84838136a97?s=128&amp;d=identicon&amp;r=PG\" \/><br \/>\nGraham Clark<br \/>\njava ajax jetty response<br \/>\nHi I try to run a java server on Jetty which should respond to an ajax call. Unfortunately the response seems to be empty when I call it with ajax. When I call http:\/\/localhost:8081\/?id=something I get an answer.The Java Server:public class Answer extends AbstractHandler {public void handle(String target,Request baseRequest,HttpServletRequest request,HttpServletResponse response) throws IOException, ServletException{String id = request.getParameter(&#8220;id&#8221;);response.setContentType(&#8220;text\/xml&#8221;);respo<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d80a442146175ee037b8bf82e45aac38?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nScorpius<br \/>\njavascript jquery ajax header response<br \/>\nExactly what the title suggests:I perform an ajax request to my server, it responds with a 403 but there are headers I want to retrieve and save on localStorage. This is for a phonegap app (Android and iOS), so the initiating domain isLocal (file:\/\/). When performing the call, I use the following code to try to intercept the response, but it returns undefined or an empty string.Ajax:$.ajax({url: serverLink+action,type: &#8220;POST&#8221;,data: &#8220;access_token=&#8221;+accessToken+&#8221;&amp;uid=&#8221;+uid,crossDomain: true,co<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/07b2536f9431122cb50e54337956097c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nSandeepan Nath<br \/>\njson cakephp jquery-ajax response<br \/>\nMy problem is somewhat similar to cakephp, jquery, .ajax(), dataType: json, but my observations are little different.I am working on a Cake PHP project. Consider a group_assoc submodule of opstools module. So, there is this function group_assoc() inside opstools_controller.php which is invoked by an ajax call to update group associations. My ajax post is like this &#8211; $.post( url, function(data) {if(data){alert(data.success); \/\/alerts -&gt; undefinedalert(data); \/\/alerts -&gt; {&#8220;success<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/cd17393d560a5c6edb48c2b3fafe8bc5?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nMitaksh Gupta<br \/>\njava javascript cookies response<br \/>\nI am setting cookie server-side, using java code response.addCookie(&#8220;test1&#8243;,&#8221;test1&#8221;);I found this code to retrieve cookie using javascript (function(){var cookies;function readCookie(name,c,C,i){if(cookies){ alert(&#8220;all cookies&#8221;+cookies); return cookies[name]; }c = document.cookie.split(&#8216;; &#8216;);cookies = {};for(i=c.length-1; i&gt;=0; i&#8211;){C = c[i].split(&#8216;=&#8217;);cookies[C[0]] = C[1];}alert(&#8220;required cookie&#8221;+cookies[name]);return cookies[name];}window.readCookie = readCookie; \/\/ or expose it however you<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/13c5fa2be5928b9b8c7ab627500a5dfe?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsilvesterprabu<br \/>\nforms node.js upload response<br \/>\ni have tried to send uploaded file to server by using ajax like thisformData.append(&#8216;foldername&#8217;,fname);formData.append(&#8216;file&#8217;, file)$.ajax({url: &#8216;imageupload&#8217;,data: formData,processData: false,contentType: false,type: &#8216;POST&#8217;,success:function(response){alert(response);alert(response.imagename);}});it is send data to server successfully but i have sent response from server like thisres.writeHead(200,{&#8216;Content-Type&#8217;:&#8217;text\/html&#8217;, &#8216;Access-Control-Allow-Orgin&#8217;:&#8217;*&#8217;});res.write(JSON.stringify({&#8220;imagena<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/bc10c7edd7524e1a05de670a3f0399a4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nWill<br \/>\najax mootools response<br \/>\nI tryed tu put the ajax response in a variable tu use it later but it&#8217;s not workthis is my codevar retourn; var requestData = new Request ({url: &#8216;dnscheck.php&#8217;,async:false,onComplete: function(response){\/\/alert(response); \/\/ this work goodretourn = response;} });alert(retourn); \/\/ shows me undefinedmootools 1.2.4 versionAny idea how to resolve this plaiseAfter clearing history and trying many time, it work fine thank you Grimvar retourn; var requestData = new Request ({url: &#8216;dnscheck.php&#8217;,<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/9c394bf890aad4c0bce839799e01750d?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nWasim<br \/>\nphp ajax variables return response<br \/>\nHOW TO USE eval() FUNCTION HERE ajax.jsvar x=&#8221;hello world&#8221;;var y=&#8221;anyother string&#8221;;$.ajax({url:&#8221;ajax.php&#8221;,success:function(data){console.log($.globalEval(data));}});ajax.php&lt;?php exit(&#8220;&#8216;first string is &#8216;+x+&#8217; second one is&#8217;+y&#8221;);?&gt;I want to return x,y as a variables to ajax response, so console.log(data) can print value of first string is hello world second one is another string but it says &#8220;x is undefine&#8221;NOTE : I need the solution without passing x and y as data from ajax<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/c032a0e8e40dd79b715420e4c5d03b00?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nmeagar<br \/>\nphp javascript jquery ajax response<br \/>\nThis question already has an answer here:How to return the response from an AJAX call?4 answersI have a problem with a jQuery ajax call. I need to wait for the call to be finished in order to return a value. However, the script seems to jump ahead and not wait for the call to be over. my function then returns &#8220;undefined&#8221;.I have tried to use the .ajax() method and set the value of async to false, but this would not work either.I could I get my function to return the value that I could through the<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/7600c930e35f3db46f76f035bdb3e2d4?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nTroy Alford<br \/>\njavascript xml api response<br \/>\nI am working with this API, which returns flight statuses originating in LHR to MAN (just an example). The response is formatted as XML, but I&#8217;m having trouble reading it with JavaScript.I tried the following:function loadXMLDoc(dname) { \/\/the dname here is the urlif (window.XMLHttpRequest) {xhttp = new XMLHttpRequest();} else {xhttp = new ActiveXObject(&#8220;Microsoft.XMLHTTP&#8221;);}xhttp.open(&#8220;GET&#8221;, dname, false);xhttp.send();return xhttp.responseXML; }But it doesn&#8217;t work. Is there another way to read<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/99d7329d5c2d8dad6f7bc73200396ef7?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nThomas L Holaday<br \/>\njquery json save response<br \/>\nI&#8217;d like to store my json response in a global variable so, i could use it through my app without making a getJSON request more than once.var data; $.getJSON(&#8220;panorama.json&#8221;,function(json){ data = json.images[0].src; console.log(data); });console.log(data);If I log it in the actual request its fine, but i get &#8220;undefined&#8221; everywhere else. Any comment appriciated.Edit [copied from comments]: Tried &#8230;$.myglobals = { result: &#8220;unset&#8221; } $(document).ready(function() { $.getJSON( &#8220;panorama.json&#8221;, f<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/025560c3d6c20f4ead37846dc9beb491?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nsquint<br \/>\njavascript ajax json response<br \/>\nI am using plain JavaScript on my project. How can I get the value of the following example with the category? I need to detect whether it comes back true or false.{&#8220;category&#8221;: &#8220;true&#8221; }I can get the entire object, but I just want to pull out the value of category.from comment&#8230;The JSON data is returned from the server based on a form submission. It keeps saying myObject is undefined. How can do I pass this so my JavaScript can read the response?from comment&#8230;I can get myObject using this: if (<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/07b2536f9431122cb50e54337956097c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nSandeepan Nath<br \/>\njquery ajax json size response<br \/>\nI just need to check if there are some non-zero results in my response object, without having to run a loop ($.each or something) and increment a counter (although I can break the counting after the first iteration). I guess I can use jQuery&#8217;s $.size() which returns 1 and 0 if there were results and there were no results respectively. I searched in http:\/\/api.jquery.com\/size\/ but did not find the confirmation. Any ideas ?Here is my simple code &#8211; $.ajax({type: &#8220;POST&#8221;,data: postdata,async: false,u<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a8318cae1e1359dbc336533a26530462?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nBohdan Hdal<br \/>\njavascript json jquery-ajax global-variables response<br \/>\nI have function:function get_playlist(){ var result = jQuery.ajax({url: &#8216;&lt;?php echo admin_url(&#8216;admin-ajax.php&#8217;); ?&gt;&#8217;,type: &#8216;post&#8217;,dataType: &#8216;json&#8217;,data: {action: &#8216;getrandommp3&#8217;,nonce:'&lt;?php echo wp_create_nonce( &#8216;randmp3&#8242; ); ?&gt;&#8217;},success: function(response) {console.log(response); \/\/ All OK!window.response = response;var customvar = response;return response;} });console.log(window.response); \/\/ undefinedconsole.log(result.responseText); \/\/undefinedconsole.log(customv<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/ffd796b4225ac945b5f3054fa737b71b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nnewUser<br \/>\ncucumber response capybara nil<br \/>\nI would appreciate some help with the following problem.When I run my cucumber (using capybara) feature using rake cucumber:wipI get the following error: (ie the response object is not defined for some reason)Then I should be able to see 1 announcement # features\/step_definitions\/view_announcements_steps.rb:8undefined method `has_selector?&#8217; for nil:NilClass (NoMethodError).\/features\/step_definitions\/view_announcements_steps.rb:10:in `\/^I should be able to see (\\d+) announcement$\/&#8217;features\/view_a<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a007be5a61f6aa8f3e85ae2fc18dd66e?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nCommunity<br \/>\njava playframework-2.0 response render<br \/>\nI have Play framework 2.0.4 installed. For the java app I have, I want to render response in JSON format.But when I was using renderJSON, compiler gives:The method renderJSON(Map&lt;String,String&gt;) is undefined for the type Statuswhat am I missing here? public class Status extends Controller {public static void myMethod(String url) {Map&lt;String, String&gt; map = new HashMap&lt;String, String&gt;();map.put(&#8220;id&#8221;, &#8220;1069&#8221;);map.put(&#8220;url&#8221;, url);renderJSON(map);} }<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/a1fdd7dc3877bb0b4b47c26b805549b6?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nTapan Desai<br \/>\njava android response<br \/>\nI am trying to display the message based on the response from the server but somehow its failing everytime. When i am running the same code from java class seperately from different project by providing static values it is running properly and i am able to get the response code. Please refer the code and help me rectify the error.MainActivity.javapublic class MainActivity extends Activity implements OnClickListener, Runnable { Context context; EditText editTextNum, editText, editUserName, editP<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/4f087e8c00195233207b03479a663f5a?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nihorko<br \/>\nc# asp.net response<br \/>\nOn my asp.net site, I build about 2-3 MB csv file and then try to send it as Response, so I do:StringBuilder sb = new StringBuilder();sb.AppendLine(&#8220;Name\\tType\\tNumber\\tStatus&#8221;);foreach (string county in GetCounties()){List&lt;StationItem&gt; list = GetStationItems(county);foreach (StationItem item in list){sb.AppendLine(string.Format(&#8220;{0}\\t{1}\\t{2}\\t{3}&#8221;,item.Name, item.Type, item.Number, item.Status));}}Response.Clear();Response.ContentType = &#8220;text\/csv&#8221;;Response.AppendHeader(&#8220;Content-Dispositi<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/1839374cd8cd2511b4dc50207f614747?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\npeterwkc<br \/>\njquery ajax servlets response<br \/>\nI would like to set the error message on Ajax error operation from Java Servlet. request.setAttribute(BreezeWebConstants.ERROR_MESSAGE, errMsg); response.setStatus(HttpServletResponse.SC_FORBIDDEN);error : function(jqXHR, textStatus, errorThrown) { alert(&#8220;Move Ticket Error &#8211; &#8221; + textStatus); console.log(&#8220;Move Unknown Ticket Error&#8221;); }The textStatus is predefined in Jquery but i need to set custom error message in java servlet and retrieve it on this error function. How to do it?Thanks.<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-11-27 12:16:22. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Phil Moorhouse php security symfony2 response I&#8217;ve created a custom voter that denies access to my API if the request doesn&#8217;t contain a valid auth header. It&#8217;s based on a combination of two cookbook entries: http:\/\/symfony.com\/doc\/current\/cookbook\/security\/voters.html and http:\/\/symfony.com\/doc\/current\/cookbook\/security\/custom_authentication_provider.html&lt;?phpnamespace Acme\\RestBundle\\Security\\Authorization\\Voter;use Symfony\\Component\\DependencyInjection\\ContainerInterface; use Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterIn kurochenko json spring extjs upload response I was creating file upload using ExtJS [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-1646","post","type-post","status-publish","format-standard","hentry","category-capybara","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1646","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=1646"}],"version-history":[{"count":1,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1646\/revisions"}],"predecessor-version":[{"id":8756,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1646\/revisions\/8756"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=1646"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=1646"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=1646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}