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Won't Fix

Votes

10

Found in

2018.2.5f1

Issue ID

1075706

Regression

No

[IL2CPP] NotSupportedExceptions exception is thrown in build with Newtonsoft.Json plugin

IL2CPP

-

Steps to reproduce:
1. Download attached project
2. Build standalone project on IL2CPP backend
3. Launch build project
4. Notice exception in development console

Expected results: No exception is thrown
Actual results: Editors throws out an exception

Reproduced with: 2018.3.0a11, 2018.2.6f1, 2018.1.9f1, 2017.4.10f1

Exception:
NullReferenceException: Object reference not set to an instance of an object.
at System.Linq.Expressions.Interpreter.LightLambda.MakeRunDelegateCtor (System.Type delegateType) [0x00000] in <00000000000000000000000000000000>:0
at System.Linq.Expressions.Interpreter.LightLambda.GetRunDelegateCtor (System.Type delegateType) [0x00000] in <00000000000000000000000000000000>:0
at System.Linq.Expressions.Interpreter.LightDelegateCreator.CreateDelegate () [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Utilities.ExpressionReflectionDelegateFactory.CreateSet[T] (System.Reflection.PropertyInfo propertyInfo) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Utilities.ReflectionDelegateFactory.CreateSet[T] (System.Reflection.MemberInfo memberInfo) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.ExpressionValueProvider.SetValue (System.Object target, System.Object value) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue (Newtonsoft.Json.Serialization.JsonProperty property, Newtonsoft.Json.JsonConverter propertyConverter, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty, Newtonsoft.Json.JsonReader reader, System.Object target) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject (System.Object newObject, Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, System.String id) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize (Newtonsoft.Json.JsonReader reader, System.Type objectType, System.Boolean checkAdditionalContent) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonSerializer.DeserializeInternal (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonConvert.DeserializeObject (System.String value, System.Type type, Newtonsoft.Json.JsonSerializerSettings settings) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonConvert.DeserializeObject[T] (System.String value, Newtonsoft.Json.JsonSerializerSettings settings) [0x00000] in <00000000000000000000000000000000>:0
at NewBehaviourScript.Start () [0x00000] in <00000000000000000000000000000000>:0
Rethrow as JsonSerializationException: Error setting value to 'Name' on 'Enemy'.
at Newtonsoft.Json.Serialization.ExpressionValueProvider.SetValue (System.Object target, System.Object value) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue (Newtonsoft.Json.Serialization.JsonProperty property, Newtonsoft.Json.JsonConverter propertyConverter, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerProperty, Newtonsoft.Json.JsonReader reader, System.Object target) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject (System.Object newObject, Newtonsoft.Json.JsonReader reader, Newtonsoft.Json.Serialization.JsonObjectContract contract, Newtonsoft.Json.Serialization.JsonProperty member, System.String id) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal (Newtonsoft.Json.JsonReader reader, System.Type objectType, Newtonsoft.Json.Serialization.JsonContract contract, Newtonsoft.Json.Serialization.JsonProperty member, Newtonsoft.Json.Serialization.JsonContainerContract containerContract, Newtonsoft.Json.Serialization.JsonProperty containerMember, System.Object existingValue) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize (Newtonsoft.Json.JsonReader reader, System.Type objectType, System.Boolean checkAdditionalContent) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonSerializer.DeserializeInternal (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonConvert.DeserializeObject (System.String value, System.Type type, Newtonsoft.Json.JsonSerializerSettings settings) [0x00000] in <00000000000000000000000000000000>:0
at Newtonsoft.Json.JsonConvert.DeserializeObject[T] (System.String value, Newtonsoft.Json.JsonSerializerSettings settings) [0x00000] in <00000000000000000000000000000000>:0

  1. Response avatar

    Resolution Note:

    For the time bring there is a work around for this issue. Include the following link.xml file in the project:

    <linker>
    <assembly fullname="System.Core">
    <type fullname="System.Linq.Expressions.Interpreter.LightLambda" preserve="all" />
    </assembly>
    </linker>

    Once the class libraries Unity uses from Mono are updated, this work around will no longer be necessary.

Comments (20)

  1. B0cfeefa79658a5c1ca1bd231bd7e7c9?d=mm

    erlioniel

    Oct 10, 2021 21:07

    Don't sure about this particular library, but actually the fix helped with WebGL build and similar issue

  2. 9d732c57b8a65d1e56ab097be0ffed94?d=mm

    RendergonPolygons

    May 17, 2020 07:27

    doesn't work for macos, Unity 2019.3.13. Why not fix?

  3. 68bdf122af6c3c42def0fc1ccacdd614?d=mm

    as87dgs6asg0a

    May 16, 2020 21:48

    Your link.xml solution, not only doesn't work as it makes the app crash instead of just showing the error.

  4. 68bdf122af6c3c42def0fc1ccacdd614?d=mm

    as87dgs6asg0a

    May 16, 2020 21:33

    Same issue here. The workaround wont work and this is preventing me from posting my game on the Play Store.

  5. 7ecf0b74616ba7171aa2c3098d8867c3?d=mm

    DearUnityPleaseAddSerializableDictionaries

    May 02, 2020 19:25

    The link.xml workaround does not work.

    Please can this bug be re-opened? This has negatively impacted user experience and has not been fixed for years. This bug should be prioritised.

  6. 7ecf0b74616ba7171aa2c3098d8867c3?d=mm

    DearUnityPleaseAddSerializableDictionaries

    May 02, 2020 19:19

    Why is this marked as Won't Fix?!

    This should be fixed, it has severely negatively impacted my experience in using Unity Pro.

  7. 2b8b00f72ae359f35f1a7854e75bef44?d=mm

    ManuelSalvadori

    Apr 30, 2020 14:08

    I had the same issue on Android. The problem was not newtonsoft, but the fact that i was using the "dynamic" data type. Changing the type from dynamic to object solved the issue.

  8. 5b5c119fd668fbe37b3bb05947d8f6ca?d=mm

    Star_Digital_Works

    Mar 18, 2020 10:47

    After struggling with this same issue for a while I successfully migrated my project to a new JSON plugin and I can now compile using IL2CPP on Android and my JSON is working properly.

    https://github.com/jilleJr/Newtonsoft.Json-for-Unity.

  9. 7db0284c498df41a9acaf07736bf13f9?d=mm

    Qmaks2

    Feb 03, 2020 14:04

    Solution with link.xml does not help

  10. 189b8251c1b3de317e0a96d7cc47332c?d=mm

    hertz-rat

    Jan 31, 2020 06:40

    I'm still getting this in 2019.3, and the link.xml fix isn't working.

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