mainpage.html
app.controller('espn', function($scope,$http){
$http.jsonp("http://www.mfrm.von.com/v1/sports")
.success( function(data,status,headers,config){
alert("success");
console.log(data);
console.log(status);
})
.error( function(data,status,headers,config){
alert("error");
console.log(data);
console.log(status);
});
});
Webservice Consumer url:
http://localhost:8080/angularjs/app?abc=123&phon=876
webservice provider(mainframe) url:
http://www.mfrm.von.com/v1/sports
We faced the issues:
Uncaught SyntaxError: Unexpected token :
Is there a possibility to do with the UI(Angularjs) with out using java code?
Angularjs version 1.4.0
Provider part giving response json object.
is (provider) Mainframe can able to configure the cors ability?
Thanks and please correct me
output printing as error method only
Related
My axios promise is returning undefined as the response.
Although I can see in the dev tools there is a successful response and a body.
app.$axios.post('auth/refresh')
.then(({ data: { access_token } }) => {
return Promise.resolve(access_token);
});
This code results in the below error:
How come it is undefined when I have the below response?
As far as I can see the request is fine, headers below too:
I'm building an api with nodejs to interact with both the client(android) and the admin(web).
When the api is started, it works fine for the admin and the views are rendered properly but when I connect the client to the api, I get an error/warning in server console like:
App at port 4003
db connection opened successfully
Categroies Count: 2
Error: Can't set headers after they are sent.
at validateHeader (_http_outgoing.js:494:11)
at ServerResponse.setHeader (_http_outgoing.js:501:3)
at ServerResponse.header
(E:\nodeCMSApp\node_modules\express\lib\response.js:767:10)
at ServerResponse.json
(E:\nodeCMSApp\node_modules\express\lib\response.js:264:10)
at Categories.find.select.exec.then.data
(E:\nodeCMSApp\routes\admin_categories.js:20:22)
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:188:7)
(node:13880) UnhandledPromiseRejectionWarning: Unhandled promise
rejection (rejection id: 1): Error: Can't set headers after they are
sent.
(node:13880) [DEP0018] DeprecationWarning: Unhandled promise rejections
are deprecated. In the future, promise rejections that are not handled
will terminate the Node.js process with
a non-zero exit code.
Here's my api code snippet:
router.get('/', (req, res) => {
Categories.find({})
.select('title slug image _id')
.exec()
.then(data => {
if (data) {
res.status(200)
.json({
success: true,
count: data.length,
categories: data
})
// I understand that the problem lies here
res.render('admin/all_categories', {
categories: data
});
} else {
res.render('all_categories', {
categories: null
});
}
})
.catch(error => {
console.error(error);
res.send('Error 404');
});
});
I understand that it's because I have already rendered a view with the response object and I'm calling it again to return some json for the client.
My question is how do I render the view and return json data for the client concurrently withoutany errors?
Thanks.
In your code, you are sending two responses to user if all goes well:
if (data) {
res.status(200).json({
success: true,
count: data.length,
categories: data
});
// I understand that the problem lies here
res.render('admin/all_categories', {
categories: data
});
}
In the moment you perform some call to res.json, res.send, res.redirect, res.render, etc, you are sending the proper headers to user (browser) so, in your case, after res.status(200).json you are trying to send res.render and is not possible because first res.json started sending the result to the user. I guess you want to render all_categories with "data" so you should render the template in backend (compile) before send it to the user.
I'm Use Laravel 5.2 And Ajax For Crud
Insert to Database is Correct But When Laravel Response The Browser Show Below Error In Console
SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data
Laravel Code:
return response()->json('ok');
Jquery Code:
$.ajax({
type: type,
url: my_url,
data: formData,
dataType: 'json',
success: function (data) {
....
error: function(data){// Error...
var errors = $.parseJSON(data.responseText); console.log(errors);
$.each(errors, function(index, value) { $.gritter.add({
title: 'Error',
text: value
});
});
}
RedyState=4
Staus = 200
Can you paste your all controller code related to this error? Make sure you're not echoing anything before returning json response.
For example,
Route::get('/', function () {
echo "hi";
return response()->json('ok');
});
It would cause parse error.
With the Json response, what if you try something like.
return response()->json(['status'=>'ok']);
You javascript code should be
$.ajax({
type: type,
url: my_url,
data: formData,
dataType: 'json',
success:function (xhr){
var data = xhr.data;
},
error: function (error){
}
});
And why are you using var errors = $.parseJSON(data.responseText); ? Your response will be always json, no?
When validating a mongoose schema in 'pre' of parallel middleware
schema.pre('save', true, function (next, done) {
if(...) {
next(new Error('Some error message'));
}
next();
});
I return an error and it is available in the callback function:
model.save({},{}, function(err) {
res.json(400, err);
console.log(err)// I see in the console: [Error: 'Some error message']
})
But when I do
res.json(400, err);
I get an empty response
{} No properties
What is the reason for this?
JSON can't stringify errors. You'll need to use something else to send the error.
Perhaps just res.send(err.message), or something similar.
I'm sending a simple data back from the server to the client.
app.post('/user', function (req, res) {
var userName = "John";
res.end(JSON.stringify({"error":"", "user": userName}));
});
$.ajax({
type: "POST",
...
contentType : 'application/json',
dataType: "json"
})
.done(function(data) {
// send join message
var resData = JSON.parse(data);
alert("hello"); // this doesn't show up
});
});
});
But in the browser console, I get this error - "Uncaught SyntaxError: Unexpected token o".
If I do JSON.stringify and JSON.parse on the content, it works fine.
alert(JSON.parse (JSON.stringify({"error":"", "user": userName})).user);
And also, .done works fine without a data payload from the server i.e. the alert("hello") works.
So, I'm guessing something fishy is happening while sending data within res.end(). Please help.
While at it, it would be nice if you can also tell me how to do the same using res.json() and which one is preferable.
The problem here is that you set dataType: 'json' in your jQuery request. This causes the response from the server to be automatically parsed as JSON, so it will return the object rather than the raw server response.