What can I do to fix this? If it matters, I am using C#. I can't do this because I need the line to the malformed lined to change the max length. However, whenever I try to run the website I get HTTP Error 500.19 with error code 0x800700b7. I ran across the max length error and used the solution found here. Exchange applies its default limitation of. Return new DictionaryValueProvider(dictionary, CultureInfo.I am trying to have a basic feature for uploading audio files to my website. because you dont want there to be a limitation on their attachment sizes is enough wont work. IDictionary dictionary = value as IDictionary įoreach (KeyValuePair current in dictionary)ĪddToBackingStore(backingStore, MakePropertyKey(prefix, current.Key), current.Value) įor (int i = 0 i dictionary = new Dictionary(StringComparer.OrdinalIgnoreCase) ĮntryLimitedDictionary backingStore = new EntryLimitedDictionary(dictionary) ĪddToBackingStore(backingStore, string.Empty, deserializedObject) Private static void AddToBackingStore(EntryLimitedDictionary backingStore, string prefix, object value) If (values != null & values.Length > 0 & int.TryParse(values, out result)) String values = appSettings.GetValues("aspnet:MaxJsonDeserializerMembers") I feel to add some details about executionTimeout as well which is other httpRuntime attribute. Edit based on comments The OP does not ask about executionTimeout but barnes did in comments below.NameValueCollection appSettings = ConfigurationManager.AppSettings MSDN For 50 MB you will need to set it to 51200. Throw new InvalidOperationException("itemCount is over maximumDepth") throw new InvalidOperationException(MvcResources.JsonValueProviderFactory_RequestTooLarge) Public void Add(string key, object value) Public EntryLimitedDictionary(IDictionary innerDictionary) Private readonly IDictionary _innerDictionary Private static int _maximumDepth = GetMaximumDepth() Public sealed class MyJsonValueProviderFactory : ValueProviderFactory You can rewrite the JsonValueProviderFactory class and set javaScriptSerializer.MaxJsonLength and then replace this class in Application_Start() methods in Global.asax like this: (().FirstOrDefault()) Return javaScriptSerializer.DeserializeObject(text) For more information, see Configure client-specific message size limits. JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer() Maximum size for a message sent by Outlook on the web clients: 35 MB: Not available: You configure this value in web.config XML application configuration files on the Mailbox server. javaScriptSerializer.MaxJsonLength The default value is 2097152 bytes, that is 2. StreamReader streamReader = new StreamReader() If (!.StartsWith("application/json", StringComparison.OrdinalIgnoreCase)) Actually if you decompile and find the JsonValueProviderFactory class you will see that in GetDeserializedObject methods it has used JavaScriptSerializer without setting any value for MaxJsonLength: private static object GetDeserializedObject(ControllerContext controllerContext) The problem is in JsonValueProviderFactory class in namespace. How can I increase the Max JSON Length for the MVC Controller so that my request can successfully reach the method? Public JsonResult MyMethod (string data = "") Here is the method that I am wanting to POST against: When I debug on a different method within the same controller, I get the default JSON Max Length with the following: Console.WriteLine(new ScriptingJsonSerializationSection().MaxJsonLength) I have tried placing the above in either the root or the Area's Web.Config individually, but neither are working. Now, I have a FileUpload control that the user could potentially use to cause a request that is too large. This is fine, I don't mind preventing requests of this size. Now, the controller that I am communicating with is in its own Area, with its own Web.Config. I have a webforms application configured with maxRequestLength'4096'. To remedy this, I have tried a number of Web.Config solutions. The value set on the maxJsonLength property. I am sending a POST request to an MVC controller with a large amount of JSON data in the body and it is throwing the following:ĪrgumentException: Error during serialization or deserialization using
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