Related
When consuming a WebService, I got the following error:
Request format is unrecognized for URL unexpectedly ending in /myMethodName
How can this be solved?
Found a solution on this website
All you need is to add the following to your web.config
<configuration>
<system.web>
<webServices>
<protocols>
<add name="HttpGet"/>
<add name="HttpPost"/>
</protocols>
</webServices>
</system.web>
</configuration>
More info from Microsoft
Despite 90% of all the information I found (while trying to find a solution to this error) telling me to add the HttpGet and HttpPost to the configuration, that did not work for me... and didn't make sense to me anyway.
My application is running on lots of servers (30+) and I've never had to add this configuration for any of them. Either the version of the application running under .NET 2.0 or .NET 4.0.
The solution for me was to re-register ASP.NET against IIS.
I used the following command line to achieve this...
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i
Make sure you're using right method: Post/Get, right content type and right parameters (data).
$.ajax({
type: "POST",
url: "/ajax.asmx/GetNews",
data: "{Lang:'tr'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (msg) { generateNews(msg); }
})
Superb.
Case 2 - where the same issue can arrise) in my case the problem was due to the following line:
<webServices>
<protocols>
<remove name="Documentation"/>
</protocols>
</webServices>
It works well in server as calls are made directly to the webservice function - however will fail if you run the service directly from .Net in the debug environment and want to test running the function manually.
For the record I was getting this error when I moved an old app from one server to another. I added the <add name="HttpGet"/> <add name="HttpPost"/> elements to the web.config, which changed the error to:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at BitMeter2.DataBuffer.incrementCurrent(Int64 val)
at BitMeter2.DataBuffer.WindOn(Int64 count, Int64 amount)
at BitMeter2.DataHistory.windOnBuffer(DataBuffer buffer, Int64 totalAmount, Int32 increments)
at BitMeter2.DataHistory.NewData(Int64 downloadValue, Int64 uploadValue)
at BitMeter2.frmMain.tickProcessing(Boolean fromTimerEvent)
In order to fix this error I had to add the ScriptHandlerFactory lines to web.config:
<system.webServer>
<handlers>
<remove name="ScriptHandlerFactory" />
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</handlers>
</system.webServer>
Why it worked without these lines on one web server and not the other I don't know.
In my case the error happened when i move from my local PC Windows 10 to a dedicated server with Windows 2012.
The solution for was to add to the web.config the following lines
<webServices>
<protocols>
<add name="Documentation"/>
</protocols>
</webServices>
I use following line of code to fix this problem. Write the following code in web.config file
<configuration>
<system.web.extensions>
<scripting>
<webServices>
<jsonSerialization maxJsonLength="50000000"/>
</webServices>
</scripting>
</system.web.extensions>
</configuration>
I did not have the issue when developing in localhost. However, once I published to a web server, the webservice was returning an empty (blank) result and I was seeing the error in my logs.
I fixed it by setting my ajax contentType to :
"application/json; charset=utf-8"
and using :
JSON.stringify()
on the object I was posting.
var postData = {data: myData};
$.ajax({
type: "POST",
url: "../MyService.asmx/MyMethod",
data: JSON.stringify(postData),
contentType: "application/json; charset=utf-8",
success: function (data) {
console.log(data);
},
dataType: "json"
});
I also got this error with apache mod-mono. It looks like the documentation page for webservice is not implemented yet in linux. But the webservice is working despite this error. You should see it by adding ?WSDL at the end of url, i.e http://localhost/WebService1.asmx?WSDL
In html you have to enclose the call in a a form with a GET with something like
label
You can also use a POST with the action being the location of the web service and input the parameter via an input tag.
There are also SOAP and proxy classes.
In my case i had an overload of function that was causing this Exception, once i changed the name of my second function it ran ok, guess web server doesnot support function overloading
a WebMethod which requires a ContextKey,
[WebMethod]
public string[] GetValues(string prefixText, int count, string contextKey)
when this key is not set, got the exception.
Fixing it by assigning AutoCompleteExtender's key.
ac.ContextKey = "myKey";
In our case the problem was caused by the web service being called using the OPTIONS request method (instead of GET or POST).
We still don't know why the problem suddenly appeared. The web service had been running for 5 years perfectly well over both HTTP and HTTPS. We are the only ones that consume the web service and it is always using POST.
Recently we decided to make the site that host the web service SSL only. We added rewrite rules to the Web.config to convert anything HTTP into HTTPS, deployed, and immediately started getting, on top of the regular GET and POST requests, OPTIONS requests. The OPTIONS requests caused the error discussed on this post.
The rest of the application worked perfectly well. But we kept getting hundreds of error reports due to this problem.
There are several posts (e.g. this one) discussing how to handle the OPTIONS method. We went for handling the OPTIONS request directly in the Global.asax. This made the problem dissapear.
protected void Application_BeginRequest(object sender, EventArgs e)
{
var req = HttpContext.Current.Request;
var resp = HttpContext.Current.Response;
if (req.HttpMethod == "OPTIONS")
{
//These headers are handling the "pre-flight" OPTIONS call sent by the browser
resp.AddHeader("Access-Control-Allow-Methods", "GET, POST");
resp.AddHeader("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, SOAPAction");
resp.AddHeader("Access-Control-Max-Age", "1728000");
resp.End();
}
}
I was getting this error until I added (as shown in the code below) $.holdReady(true) at the beginning of my web service call and $.holdReady(false) after it ends. This is jQuery thing to suspend the ready state of the page so any script within document.ready function would be waiting for this (among other possible but unknown to me things).
<span class="AjaxPlaceHolder"></span>
<script type="text/javascript">
$.holdReady(true);
function GetHTML(source, section){
var divToBeWorkedOn = ".AjaxPlaceHolder";
var webMethod = "../MyService.asmx/MyMethod";
var parameters = "{'source':'" + source + "','section':'" + section + "'}";
$.ajax({
type: "POST",
url: webMethod,
data: parameters,
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
xhrFields: {
withCredentials: false
},
crossDomain: true,
success: function(data) {
$.holdReady(false);
var myData = data.d;
if (myData != null) {
$(divToBeWorkedOn).prepend(myData.html);
}
},
error: function(e){
$.holdReady(false);
$(divToBeWorkedOn).html("Unavailable");
}
});
}
GetHTML("external", "Staff Directory");
</script>
Make sure you disable custom errors. This can mask the original problem in your code:
change
<customErrors defaultRedirect="~/Error" mode="On">
to
<customErrors defaultRedirect="~/Error" mode="Off">
I have the following code in my ASP.NET web site that simply displays "Hello World" when a button is clicked:
ASPX File:
$.ajax({
type: "POST",
url: "WebService1.asmx/HelloWorld",
data: "{}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (response)
{
alert(response.d);
},
error: function (response) {
alert(response.d);
}
});
.CS Code behind File:
/// <summary>
/// Summary description for WebService1
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
[System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld()
{
return "Hello World";
}
}
This works fine whenever it is ran locally on my PC (Launched from Visual Studio Debugger) but when I deploy my website to a live server from my hosting company it does not work.
I use the Chrome Debugging Tools to view the the response in the ajax error function and it shows I get an "Internal Server Error 500"
I'm not sure what is going wrong because it works locally but not on a live server. Is there any Web.Config settings that I have to use??
Yes, you should add to your web.config the following, under <configuration>:
<system.webServer>
<httpErrors errorMode="Detailed" />
<asp scriptErrorSentToBrowser="true"/>
</system.webServer>
<system.web>
<customErrors mode="Off"/>
<compilation debug="true"/>
<deployment retail="false" />
</system.web>
There is a runtime error that your code generates, and it doesn't seem to be coming from the code you posted. Adding the above snippet in the right place will help you trace the root cause.
Note that the <deployment retail="false" /> might be unnecessary, it depends if the machine hosting your code has this value set to true in it's machine.config. If so, it will override other customErrors settings in your web.config. Though unlikely, I added it just to be on the safe side.
I am getting an error back on a jQuery ajax post.
The error I receive in IE is SyntaxError: Invalid character.
The entire project can be found at: http://dragsort.codeplex.com/
When you move one of the boxes to another location (click and drag) the ajax post occurs.
In order to display the error I had to add the error ajax property to the jQuery ajax call.
function saveOrder() {
var data = $("#gallery li").map(function() { return $(this).attr("itemID"); }).get();
$.ajax({
url: "example.aspx/SaveListOrder",
data: '{ids:["' + data.join('","') + '"]}',
dataType: "json",
type: "POST",
contentType: "application/json; charset=utf-8",
error: function(data, status, jqXHR) { alert(jqXHR); }
});
};
Code behind Method
[WebMethod]
public static void SaveListOrder(int[] ids)
{
for (int i = 0; i < ids.Length; i++)
{
int id = ids[i];
int ordinal = i;
//...
}
}
Any ideas on what the issue is? Thanks in advance.
EDIT/ANSWER:
The problem is in the web.config. I added the following httpModule in the web.config
<configuration>
<system.web>
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules>
</system.web>
</configuration>
If anyone would like to elaborate on why this is needed that would be great. I'll create a post as the answer once i'm allowed to do so.
Thanks!
Object keys must be double-quoted strings. In fact, all strings in JSON must be envlosed in double quotes. In your code, the ids isn't double-quoted. You should surround it with double-quotes like this.
data: '{"ids":["' + data.join('","') + '"]}',
You can use JSONLint to easily validate JSON.
It may have to do with the response you are returning. I think IE requires that the application also respond with a json content type.
Try adding traditional: true to your AJAX call. I believe you have to set that to get an array to pass correctly. Like this
$.ajax({
url: "example.aspx/SaveListOrder",
traditional: true,
data: '{ids:["' + data.join('","') + '"]}',
dataType: "json",
type: "POST",
contentType: "application/json; charset=utf-8",
error: function(data, status, jqXHR) { alert(jqXHR); }
});
The problem is in the web.config. I added the following httpModule in the web.config
<configuration>
<system.web>
<httpModules>
<add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
</httpModules>
</system.web>
</configuration>
If anyone would like to elaborate on why this is needed that would be great. I'll create a post as the answer once i'm allowed to do so.
Thanks!
Here's an interesting problem:
I have some jQuery that looks like this:
$(document).ready(function() {
$.ajax({
type: "POST",
url: "http://localhost:63056/Service1.asmx/PrintOrderRecieptXml",
data: {
"CouponCode": "TESTCODE",
"Subtotal": 14.2600,
"ShippingTotal": 7.5000,
"TaxTotal": 0.0000,
"GrandTotal": 21.7600,
"OrderItemCollection": [{
"Total": 14.2600,
"Qty": 250
}]
},
dataType: "json",
contentType: "application/json",
error: function(xhr, msg) {
alert(xhr.statusText);
}
});
});
Now, the problem I'm having is that it's sending the request, but the web service isn't processing it correctly. In IE, I get an alert box with "Internal Server Error" and with FireFox I get an alert box with nothing in it.
The strange thing is that when I use IE, I do not get an error event in my event log, but with firefox I get (bonus points for figuring out why this is):
"Exception message: Request format is unrecognized for URL unexpectedly ending in '/PrintOrderRecieptXml"
I poked around some and found out that sometimes you have to add:
<webServices>
<protocols>
<add name="HttpGet"/>
<add name="HttpPost" />
<add name="HttpPostLocalhost"/>
</protocols>
</webServices>
To your Web.Config, which I did but it did not help. The interesting thing is that the web service works fine with SOAP or sending a query string, but not with JSON.
Any ideas?
You need to give your input to the data property as a JSON string, not as an object:
$(document).ready(function() {
$.ajax({
type: "POST",
url: "http://localhost:63056/Service1.asmx/PrintOrderRecieptXml",
data: '{"CouponCode":"TESTCODE","Subtotal":14.2600,"ShippingTotal":7.5000,"TaxTotal":0.0000,"GrandTotal":21.7600,"OrderItemCollection":[{"Total":14.2600,"Qty":250}]}',
dataType: "json",
contentType: "application/json",
error: function(xhr, msg) {
alert(xhr.statusText);
}
});
});
Using jQuery to Consume ASP.NET JSON Web Services has a good explanation of the requirements when talking to ASP.Net Web Services.
Douglas is correct - you need to format the data as a string. Be sure to read all of the posts on the blog that he linked you to. Encosia is a great resource for Ajax and Asp.Net.
asp.net webservices don't return json normally. take a look here:
JSON WebService in ASP.NET
When consuming a WebService, I got the following error:
Request format is unrecognized for URL unexpectedly ending in /myMethodName
How can this be solved?
Found a solution on this website
All you need is to add the following to your web.config
<configuration>
<system.web>
<webServices>
<protocols>
<add name="HttpGet"/>
<add name="HttpPost"/>
</protocols>
</webServices>
</system.web>
</configuration>
More info from Microsoft
Despite 90% of all the information I found (while trying to find a solution to this error) telling me to add the HttpGet and HttpPost to the configuration, that did not work for me... and didn't make sense to me anyway.
My application is running on lots of servers (30+) and I've never had to add this configuration for any of them. Either the version of the application running under .NET 2.0 or .NET 4.0.
The solution for me was to re-register ASP.NET against IIS.
I used the following command line to achieve this...
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe -i
Make sure you're using right method: Post/Get, right content type and right parameters (data).
$.ajax({
type: "POST",
url: "/ajax.asmx/GetNews",
data: "{Lang:'tr'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (msg) { generateNews(msg); }
})
Superb.
Case 2 - where the same issue can arrise) in my case the problem was due to the following line:
<webServices>
<protocols>
<remove name="Documentation"/>
</protocols>
</webServices>
It works well in server as calls are made directly to the webservice function - however will fail if you run the service directly from .Net in the debug environment and want to test running the function manually.
For the record I was getting this error when I moved an old app from one server to another. I added the <add name="HttpGet"/> <add name="HttpPost"/> elements to the web.config, which changed the error to:
System.IndexOutOfRangeException: Index was outside the bounds of the array.
at BitMeter2.DataBuffer.incrementCurrent(Int64 val)
at BitMeter2.DataBuffer.WindOn(Int64 count, Int64 amount)
at BitMeter2.DataHistory.windOnBuffer(DataBuffer buffer, Int64 totalAmount, Int32 increments)
at BitMeter2.DataHistory.NewData(Int64 downloadValue, Int64 uploadValue)
at BitMeter2.frmMain.tickProcessing(Boolean fromTimerEvent)
In order to fix this error I had to add the ScriptHandlerFactory lines to web.config:
<system.webServer>
<handlers>
<remove name="ScriptHandlerFactory" />
<add name="ScriptHandlerFactory" verb="*" path="*.asmx" preCondition="integratedMode" type="System.Web.Script.Services.ScriptHandlerFactory, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />
</handlers>
</system.webServer>
Why it worked without these lines on one web server and not the other I don't know.
In my case the error happened when i move from my local PC Windows 10 to a dedicated server with Windows 2012.
The solution for was to add to the web.config the following lines
<webServices>
<protocols>
<add name="Documentation"/>
</protocols>
</webServices>
I use following line of code to fix this problem. Write the following code in web.config file
<configuration>
<system.web.extensions>
<scripting>
<webServices>
<jsonSerialization maxJsonLength="50000000"/>
</webServices>
</scripting>
</system.web.extensions>
</configuration>
I did not have the issue when developing in localhost. However, once I published to a web server, the webservice was returning an empty (blank) result and I was seeing the error in my logs.
I fixed it by setting my ajax contentType to :
"application/json; charset=utf-8"
and using :
JSON.stringify()
on the object I was posting.
var postData = {data: myData};
$.ajax({
type: "POST",
url: "../MyService.asmx/MyMethod",
data: JSON.stringify(postData),
contentType: "application/json; charset=utf-8",
success: function (data) {
console.log(data);
},
dataType: "json"
});
I also got this error with apache mod-mono. It looks like the documentation page for webservice is not implemented yet in linux. But the webservice is working despite this error. You should see it by adding ?WSDL at the end of url, i.e http://localhost/WebService1.asmx?WSDL
In html you have to enclose the call in a a form with a GET with something like
label
You can also use a POST with the action being the location of the web service and input the parameter via an input tag.
There are also SOAP and proxy classes.
In my case i had an overload of function that was causing this Exception, once i changed the name of my second function it ran ok, guess web server doesnot support function overloading
a WebMethod which requires a ContextKey,
[WebMethod]
public string[] GetValues(string prefixText, int count, string contextKey)
when this key is not set, got the exception.
Fixing it by assigning AutoCompleteExtender's key.
ac.ContextKey = "myKey";
In our case the problem was caused by the web service being called using the OPTIONS request method (instead of GET or POST).
We still don't know why the problem suddenly appeared. The web service had been running for 5 years perfectly well over both HTTP and HTTPS. We are the only ones that consume the web service and it is always using POST.
Recently we decided to make the site that host the web service SSL only. We added rewrite rules to the Web.config to convert anything HTTP into HTTPS, deployed, and immediately started getting, on top of the regular GET and POST requests, OPTIONS requests. The OPTIONS requests caused the error discussed on this post.
The rest of the application worked perfectly well. But we kept getting hundreds of error reports due to this problem.
There are several posts (e.g. this one) discussing how to handle the OPTIONS method. We went for handling the OPTIONS request directly in the Global.asax. This made the problem dissapear.
protected void Application_BeginRequest(object sender, EventArgs e)
{
var req = HttpContext.Current.Request;
var resp = HttpContext.Current.Response;
if (req.HttpMethod == "OPTIONS")
{
//These headers are handling the "pre-flight" OPTIONS call sent by the browser
resp.AddHeader("Access-Control-Allow-Methods", "GET, POST");
resp.AddHeader("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, SOAPAction");
resp.AddHeader("Access-Control-Max-Age", "1728000");
resp.End();
}
}
I was getting this error until I added (as shown in the code below) $.holdReady(true) at the beginning of my web service call and $.holdReady(false) after it ends. This is jQuery thing to suspend the ready state of the page so any script within document.ready function would be waiting for this (among other possible but unknown to me things).
<span class="AjaxPlaceHolder"></span>
<script type="text/javascript">
$.holdReady(true);
function GetHTML(source, section){
var divToBeWorkedOn = ".AjaxPlaceHolder";
var webMethod = "../MyService.asmx/MyMethod";
var parameters = "{'source':'" + source + "','section':'" + section + "'}";
$.ajax({
type: "POST",
url: webMethod,
data: parameters,
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
xhrFields: {
withCredentials: false
},
crossDomain: true,
success: function(data) {
$.holdReady(false);
var myData = data.d;
if (myData != null) {
$(divToBeWorkedOn).prepend(myData.html);
}
},
error: function(e){
$.holdReady(false);
$(divToBeWorkedOn).html("Unavailable");
}
});
}
GetHTML("external", "Staff Directory");
</script>
Make sure you disable custom errors. This can mask the original problem in your code:
change
<customErrors defaultRedirect="~/Error" mode="On">
to
<customErrors defaultRedirect="~/Error" mode="Off">