Hello Nic, It looks identical to bug #3676. You should add yourself on c.c. to the bug report.
Sebastien [1] https://bugzilla.xamarin.com/show_bug.cgi?id=3676 On Sat, Mar 10, 2012 at 6:21 AM, Nic Wise <n...@fastchicken.co.nz> wrote: > I'm still not sure whats causing it, but I was deserializing a basic > json object within a thread, and today - and ONLY today - I've been > getting the stack dump below. If I do it outside of a thread, it works > _fine_. > > Anyone else seeing this? > > XC 4.3.1 > iOS 5.1 > MT latest beta (installed this morning) > > I tried going back to an old MT (5.2.5) with the same result. Once I > get this, if I restart my app, I get seg faults in all the codes.... > mostly sqlite. > > Very odd. > > > -------------------------------- > > 20120310/101453: Exception: System.NullReferenceException: Object > reference not set to an instance of an object > at System.Array.Copy (System.Array sourceArray, Int32 sourceIndex, > System.Array destinationArray, Int32 destinationIndex, Int32 length) > [0x00104] in /Developer/MonoTouch/Source/mono/mcs/cla > ss/corlib/System/Array.cs:979 > at System.Collections.ArrayList.CopyTo (Int32 index, System.Array > array, Int32 arrayIndex, Int32 count) [0x0002d] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Collections/Arr > ayList.cs:3064 > at System.Collections.ArrayList.CopyTo (System.Array array, Int32 > arrayIndex) [0x00000] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Collections/ArrayList.cs:3046 > at System.MonoCustomAttrs.GetCustomAttributes > (ICustomAttributeProvider obj, System.Type attributeType, Boolean > inherit) [0x0026c] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/Syste > m/MonoCustomAttrs.cs:259 > at System.MonoType.GetCustomAttributes (System.Type attributeType, > Boolean inherit) [0x00011] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System/MonoType.cs:582 > at System.Attribute.GetCustomAttributes > (System.Reflection.MemberInfo element, System.Type type, Boolean > inherit) [0x00024] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System/Attri > bute.cs:229 > at > Newtonsoft.Json.Utilities.ReflectionUtils.GetAttributes[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider, Boolean inherit) > [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ReflectionUtils.GetAttribute[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider, Boolean inherit) > [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Serialization.JsonTypeReflector.GetAttribute[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider) [0x00000] in <filename > unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Reflection.ICustomAttributeProvider,Newtonsoft.Json.JsonContainerAttribute].AddValue > (ICustomAttributeProvider key) [0x00000] in <filen > ame unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Reflection.ICustomAttributeProvider,Newtonsoft.Json.JsonContainerAttribute].Get > (ICustomAttributeProvider key) [0x00000] in <filename u > nknown>:0 > at > Newtonsoft.Json.Serialization.CachedAttributeGetter`1[Newtonsoft.Json.JsonContainerAttribute].GetAttribute > (ICustomAttributeProvider type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonTypeReflector.GetJsonContainerAttribute > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonTypeReflector.GetJsonObjectAttribute > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateContract > (System.Type objectType) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Type,Newtonsoft.Json.Serialization.JsonContract].AddValue > (System.Type key) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Type,Newtonsoft.Json.Serialization.JsonContract].Get > (System.Type key) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.DefaultContractResolver.ResolveContract > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.GetContractSafe > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType > (Newtonsoft.Json.JsonReader reader, System.Type t, > Newtonsoft.Json.JsonConverter propertyConverter) [0x00000] in <f > ilename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonSerializer.DeserializeInternal > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonSerializer.Deserialize > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject (System.String > value, System.Type type, Newtonsoft.Json.JsonSerializerSettings > settings) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject[Settings] > (System.String value, Newtonsoft.Json.JsonSerializerSettings settings) > [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject[Settings] > (System.String value) [0x00000] in <filename unknown>:0 > at MicroAgent.Library.Models.Settings.get_Current () [0x00036] in > /Users/nic/code/git/MicroAgent/MicroAgentLibrary/Models/Settings.cs:118 > at MicroAgent.Library.OverviewDialogViewController.LoadView () > [0x000b6] in > /Users/nic/code/git/MicroAgent/MicroAgentLibrary/Controllers/OverviewDialogViewController.cs:75 > at (wrapper managed-to-native) > MonoTouch.ObjCRuntime.Messaging:void_objc_msgSend (intptr,intptr) > at MonoTouch.UIKit.UIWindow.MakeKeyAndVisible () [0x0000b] in > /Developer/MonoTouch/Source/monotouch/src/UIKit/UIWindow.g.cs:105 > at MicroAgent.AppDelegate.FinishedLaunching > (MonoTouch.UIKit.UIApplication app, MonoTouch.Foundation.NSDictionary > options) [0x0020b] in > /Users/nic/code/git/MicroAgent/MicroAgent/AppDelegate > .cs:140 > at (wrapper managed-to-native) > MonoTouch.UIKit.UIApplication:UIApplicationMain > (int,string[],intptr,intptr) > at MonoTouch.UIKit.UIApplication.Main (System.String[] args, > System.String principalClassName, System.String delegateClassName) > [0x00042] in /Developer/MonoTouch/Source/monotouch/src/UIKit/ > UIApplication.cs:29 > at MicroAgent.Application.Main (System.String[] args) [0x0000b] in > /Users/nic/code/git/MicroAgent/MicroAgent/Main.cs:22 > > --------------- AND ---------------------- > > 20120310/101453: StackTrace: at System.Array.Copy (System.Array > sourceArray, Int32 sourceIndex, System.Array destinationArray, Int32 > destinationIndex, Int32 length) [0x00104] in /Developer/ > MonoTouch/Source/mono/mcs/class/corlib/System/Array.cs:979 > at System.Collections.ArrayList.CopyTo (Int32 index, System.Array > array, Int32 arrayIndex, Int32 count) [0x0002d] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Collections/Arr > ayList.cs:3064 > at System.Collections.ArrayList.CopyTo (System.Array array, Int32 > arrayIndex) [0x00000] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System.Collections/ArrayList.cs:3046 > at System.MonoCustomAttrs.GetCustomAttributes > (ICustomAttributeProvider obj, System.Type attributeType, Boolean > inherit) [0x0026c] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/Syste > m/MonoCustomAttrs.cs:259 > at System.MonoType.GetCustomAttributes (System.Type attributeType, > Boolean inherit) [0x00011] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System/MonoType.cs:582 > at System.Attribute.GetCustomAttributes > (System.Reflection.MemberInfo element, System.Type type, Boolean > inherit) [0x00024] in > /Developer/MonoTouch/Source/mono/mcs/class/corlib/System/Attri > bute.cs:229 > at > Newtonsoft.Json.Utilities.ReflectionUtils.GetAttributes[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider, Boolean inherit) > [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ReflectionUtils.GetAttribute[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider, Boolean inherit) > [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Serialization.JsonTypeReflector.GetAttribute[JsonContainerAttribute] > (ICustomAttributeProvider attributeProvider) [0x00000] in <filename > unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Reflection.ICustomAttributeProvider,Newtonsoft.Json.JsonContainerAttribute].AddValue > (ICustomAttributeProvider key) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Reflection.ICustomAttributeProvider,Newtonsoft.Json.JsonContainerAttribute].Get > (ICustomAttributeProvider key) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Serialization.CachedAttributeGetter`1[Newtonsoft.Json.JsonContainerAttribute].GetAttribute > (ICustomAttributeProvider type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonTypeReflector.GetJsonContainerAttribute > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonTypeReflector.GetJsonObjectAttribute > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateContract > (System.Type objectType) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Type,Newtonsoft.Json.Serialization.JsonContract].AddValue > (System.Type key) [0x00000] in <filename unknown>:0 > at > Newtonsoft.Json.Utilities.ThreadSafeStore`2[System.Type,Newtonsoft.Json.Serialization.JsonContract].Get > (System.Type key) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.DefaultContractResolver.ResolveContract > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.GetContractSafe > (System.Type type) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.ReadForType > (Newtonsoft.Json.JsonReader reader, System.Type t, > Newtonsoft.Json.JsonConverter propertyConverter) [0x00000] in > <filename unknown>:0 > at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonSerializer.DeserializeInternal > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonSerializer.Deserialize > (Newtonsoft.Json.JsonReader reader, System.Type objectType) [0x00000] > in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject (System.String > value, System.Type type, Newtonsoft.Json.JsonSerializerSettings > settings) [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject[Settings] > (System.String value, Newtonsoft.Json.JsonSerializerSettings settings) > [0x00000] in <filename unknown>:0 > at Newtonsoft.Json.JsonConvert.DeserializeObject[Settings] > (System.String value) [0x00000] in <filename unknown>:0 > at MicroAgent.Library.Models.Settings.get_Current () [0x00036] in > /Users/nic/code/git/MicroAgent/MicroAgentLibrary/Models/Settings.cs:118 > at MicroAgent.Library.OverviewDialogViewController.LoadView () > [0x000b6] in > /Users/nic/code/git/MicroAgent/MicroAgentLibrary/Controllers/OverviewDialogViewController.cs:75 > at (wrapper managed-to-native) > MonoTouch.ObjCRuntime.Messaging:void_objc_msgSend (intptr,intptr) > at MonoTouch.UIKit.UIWindow.MakeKeyAndVisible () [0x0000b] in > /Developer/MonoTouch/Source/monotouch/src/UIKit/UIWindow.g.cs:105 > at MicroAgent.AppDelegate.FinishedLaunching > (MonoTouch.UIKit.UIApplication app, MonoTouch.Foundation.NSDictionary > options) [0x0020b] in > /Users/nic/code/git/MicroAgent/MicroAgent/AppDelegate.cs:140 > at (wrapper managed-to-native) > MonoTouch.UIKit.UIApplication:UIApplicationMain > (int,string[],intptr,intptr) > at MonoTouch.UIKit.UIApplication.Main (System.String[] args, > System.String principalClassName, System.String delegateClassName) > [0x00042] in > /Developer/MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:29 > at MicroAgent.Application.Main (System.String[] args) [0x0000b] in > /Users/nic/code/git/MicroAgent/MicroAgent/Main.cs:22 > > -- > Nic Wise > t. +44 7788 592 806 | @fastchicken | http://www.linkedin.com/in/nicwise > b. http://www.fastchicken.co.nz/ > > Nearest Bus: find when the next bus is coming to your stop. > http://goo.gl/Vcz1p > mobileAgent (for FreeAgent): get your accounts in your pocket. > http://goo.gl/IuBU > Trip Wallet: Keep track of your budget on the go: http://goo.gl/ePhKa > London Bike App: Find the nearest Boris Bike, and get riding! > http://goo.gl/Icp2 > _______________________________________________ > MonoTouch mailing list > MonoTouch@lists.ximian.com > http://lists.ximian.com/mailman/listinfo/monotouch _______________________________________________ MonoTouch mailing list MonoTouch@lists.ximian.com http://lists.ximian.com/mailman/listinfo/monotouch