Getting unexpected token error while consuming web service in sharepoint

JSONP means the return is wrapped in a function that has to be called

In this case you are saying the callback is ?callback=jQuery3110512…_1489476298510

Which means in the code that is returned from the JSONP request there should be a function call

jQuery3110512…_1489476298510() {
}

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(... would be expanded to whatever was in the URL)
Can you confirm that this is what you are getting back.

?callback=jQuery31105120590335855826_1489476298510&_=1489476298511

this is what i am getting

Yes but what is the JSONP look like - if you expand the request and look at the response tab you should see the code that is returned.

{"MT_Claims_Resp":{"BuyingPrice":"Value","CreatedBy":"Value","Currency":"Value","Description":"Value","Distributor":Value,"DistributorCity":"Value"}

Ok but that is not a JSONP response

Expecting to see a function

jQuery31105120590335855826_1489476298510 ({"MT_Claims_Resp":{"BuyingPrice":"Value","CreatedBy":"Value","Currency":"Value","Description":"Value","Distributor":Value,"DistributorCity":"Value"} 
});

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Can you please help me with how to consume the response

{"MT_Claims_Resp":{"BuyingPrice":"Value","CreatedBy":"Value","Currency":"Value","Description":"Value","Distributor":Value,"DistributorCity":"Value"}


.Really thanks that you are reply to my queries .

i am writing below code

 $.ajax({
    crossDomain: true,
    type: 'GET',
    username: "value",
   password: "value",
    contentType: "application/json; charset=utf-8",
    url: "value",
    dataType: "jsonp",
    success: onDataReceived
   
});

function onDataReceived(data)
{
debugger;
alert(JSON.stringify(data));
    alert("Data received");
   
}

As I mentioned before - if that i the response as you are getting it it is not JSONP but plain JSON
Also you don't need crossDomain - the actual use case for that parameter is when you are calling to the SAME domain but want jQuery to treat it as if it is a CROSS DOMAIN request.

Next - username and password are not valid ajax parameters - if you want to send username and password you have to include those in the data property.

contentType: "application/json; charset=utf-8" you use if you are SENDING JSON to the receiving service - otherwise you do a simple get request
I don't know anything about your service but I am going to guess you want something like this

$.ajax({
    type: 'GET',
    data: {
        username: "value",
        password: "value"
    },
    url: "value",
    dataType: "json"
}).done(function(resp) {
   console.log(resp);
   // resp should be a JavaScript object you can use directly
});

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If that does not work and this is a JSONP Request then you have to setup the function to receive the data

function jQuery31105120590335855826_1489476298510(resp) {
   console.log(resp);
   // access resp as you would a standard JavaScript object
}

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Thanks for the help.The web service is an SAP Pi web service which i am trying to consume in share point online through ajax calls .The web service is accessible only in a specific domain

Not sure if there was a question there - please advise where we are with this thread. Did the earlier posts solve the problem?

$.ajax({
    type: 'GET',
    data: {
        username: "value",
        password: "value"
    },
    url: "value",
    dataType: "jsonp"
}).done(function(resp) {
   console.log(resp);
   // resp should be a JavaScript object you can use directly
});

i am getting the reponse in the netwrok tab of the browser but still its not getting printed in the console .The "jQuery31105120590335855826_1489476298510" number always changes each time i run it so this might not be the function name i guess .I am using the above code