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MalformedContinuationTokenException starting with SDK v3.7

See original GitHub issue

We are continuously addressing and improving the SDK, if possible, make sure the problem persist in the latest SDK version.

Describe the bug We are seeing consistent MalformedContinuationTokenException exceptions starting with SDK v3.7 that did not occur with the same query in SDK v3.6. The same issue happens with SDK v3.8 as well.

To Reproduce This is a cross-partition query over Gateway mode and as we continue to drain more results from the FeedIterator the exception will be thrown on a call to await feed.ReadNextAsync(). It looks like it may work for the first set of results from every physical partition then throws as it goes back to get a second set of results from a physical partition (my guess). Looking at Fiddler there is no error coming back over the wire, it appears to be purely inside the SDK.

Expected behavior The query to continue to return results as it did with SDK v3.6

Actual behavior A MalformedContinuationTokenException is thrown with a reason “CompositeContinuationToken is missing field”.

Environment summary SDK Version: v3.7 and v3.8 OS Version: Windows

Additional context Activity ID examples: b0e3b405-f7e3-4c22-bf11-0a86fcd2782c eed47b7d-f177-475b-849b-d0a5a67f4e77

Error message:

Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (Response status code does not indicate success: BadRequest (400); Substatus: 0; ActivityId: ; Reason: (CompositeContinuationToken is missing field: 'token': {"range":{"min":"05C189CD6732","max":"05C18F5D153C"}});););););););); CompositeContinuationToken is missing field: 'token': {"range":{"min":"05C189CD6732","max":"05C18F5D153C"}}

Call stack:

   at Microsoft.Azure.Cosmos.Query.Core.Monads.TryCatch`1.Try[T](Func`2 onSuccess)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.PipelinedDocumentQueryExecutionContext.TryCreateAsync(ExecutionEnvironment executionEnvironment, CosmosQueryContext queryContext, CrossPartitionInitParams initParams, CosmosElement requestContinuationToken, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.PipelinedDocumentQueryExecutionContext.TryCreateAsync(ExecutionEnvironment executionEnvironment, CosmosQueryContext queryContext, CrossPartitionInitParams initParams, CosmosElement requestContinuationToken, CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateSpecializedDocumentQueryExecutionContextAsync(CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List`1 targetRanges, String collectionRid, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateSpecializedDocumentQueryExecutionContextAsync(CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, List`1 targetRanges, String collectionRid, CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateFromPartitionedQuerExecutionInfoAsync(PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, ContainerQueryProperties containerQueryProperties, CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateFromPartitionedQuerExecutionInfoAsync(PartitionedQueryExecutionInfo partitionedQueryExecutionInfo, ContainerQueryProperties containerQueryProperties, CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateCoreContextAsync(CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.TryCreateCoreContextAsync(CosmosQueryContext cosmosQueryContext, InputParameters inputParameters, CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextFactory.<>c__DisplayClass2_0.<Create>b__1(CancellationToken innerCancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.AsyncLazy`1.GetValueAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.AsyncLazy`1.GetValueAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.LazyCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.LazyCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextWithNameCacheStaleRetry.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextWithNameCacheStaleRetry.ExecuteNextAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CatchAllCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CatchAllCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.Query.QueryIterator.ReadNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.Query.QueryIterator.ReadNextAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.FeedIteratorCore`1.ReadNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[TStateMachine](TStateMachine& stateMachine)
   at Microsoft.Azure.Cosmos.FeedIteratorCore`1.ReadNextAsync(CancellationToken cancellationToken)
   at Microsoft.Azure.Cosmos.FeedIteratorInlineCore`1.<>c__DisplayClass5_0.<ReadNextAsync>b__0()
   at Microsoft.Azure.Cosmos.TaskHelper.RunInlineIfNeededAsync[TResult](Func`1 task)
   at Microsoft.Azure.Cosmos.FeedIteratorInlineCore`1.ReadNextAsync(CancellationToken cancellationToken)
   at ViralLaunch.Core.Services.AzureCosmosDBService.PerformFeedRetrieve[TOut](Func`3 feedBuilder, String queryText, Nullable`1 maxItemCount, String continuationTokenIn, Boolean trackMetrics)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.FeedIteratorCore`1.ReadNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.QueryIterator.ReadNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CatchAllCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.CosmosQueryExecutionContextWithNameCacheStaleRetry.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.LazyCosmosQueryExecutionContext.ExecuteNextAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.PipelinedDocumentQueryExecutionContext.ExecuteNextAsync(CancellationToken token)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionComponent.SkipTake.TakeDocumentQueryExecutionComponent.ClientTakeDocumentQueryExecutionComponent.DrainAsync(Int32 maxElements, CancellationToken token)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.Parallel.CosmosParallelItemQueryExecutionContext.DrainAsync(Int32 maxElements, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetExistingTaskResult(TResult result)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.SetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.ItemProducers.ItemProducerTree.TryMoveNextPageAsync(CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.RunOrScheduleAction(Action action, Boolean allowInlining)
   at System.Threading.Tasks.Task.RunContinuations(Object continuationObject)
   at System.Threading.Tasks.Task`1.TrySetResult(TResult result)
   at Microsoft.Azure.Cosmos.Query.Core.ExecutionContext.ItemProducers.ItemProducerTree.ExecuteWithSplitProofingAsync(Func`2 function, Boolean functionNeedsBeReexecuted, CancellationToken cancellationToken)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.ExecutionContextCallback(Object s)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext(Thread threadPoolThread)
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1.MoveNext()
   at System.Runtime.CompilerServices.TaskAwaiter.<>c.<OutputWaitEtwEvents>b__12_0(Action innerContinuation, Task innerTask)
   at System.Threading.Tasks.AwaitTaskContinuation.System.Threading.IThreadPoolWorkItem.Execute()
   at System.Threading.ThreadPoolWorkQueue.Dispatch()
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback()

Issue Analytics

  • State:closed
  • Created 3 years ago
  • Comments:22 (10 by maintainers)

github_iconTop GitHub Comments

2reactions
vsadamscommented, Jul 23, 2020

@ealsur I pulled the cosmos code and debugged it. This is what I am seeing. This line here https://github.com/Azure/azure-cosmos-dotnet-v3/blob/f72a33dafcaec202c56da216172d99f2b98c7983/Microsoft.Azure.Cosmos/src/Query/Core/ExecutionContext/Parallel/CosmosParallelItemQueryExecutionContext.ContinuationToken.cs#L44 is attempting to use a default serializer settings. However, due to the func handle attached to JsonConvert.DefaultSettings, the default settings are overriden.

In order to do a simple test to make sure this theory is correct, I removed my work around in my code base and tested it. I did get a malformed token originating there and eventually got the exception. I then modified the code and used a static serializer like


        private static JsonSerializer Serializer = new JsonSerializer();

        protected override string ContinuationToken
        {
            get
            {
                IEnumerable<ItemProducer> activeItemProducers = this.GetActiveItemProducers();
                string continuationToken;
                if (activeItemProducers.Any())
                {
                    IEnumerable<CompositeContinuationToken> compositeContinuationTokens = activeItemProducers.Select((documentProducer) => new CompositeContinuationToken
                    {
                        Token = documentProducer.CurrentContinuationToken,
                        Range = documentProducer.PartitionKeyRange.ToRange()
                    });
                    StringBuilder sb = new StringBuilder();
                    using StringWriter sringWriter = new StringWriter(sb);
                    using JsonWriter jsonTextWriter = new JsonTextWriter(sringWriter);
                    Serializer.Serialize(jsonTextWriter, compositeContinuationTokens);
                    continuationToken = sb.ToString();
                    //continuationToken = JsonConvert.SerializeObject(compositeContinuationTokens);
                }
                else
                {
                    continuationToken = null;
                }

                return continuationToken;
            }
        }

(Not pretty it was just a test)…but this worked.

Hope this is helpful!

1reaction
ealsurcommented, Jul 22, 2020

We agree on the behavior of FeedRangeCompositeContinuation, the string that gets output does not have the “token” property if you alter the global Json settings. But what I’m saying is that it doesn’t affect when FeedRangeCompositveContinuation calls TryParse, it works as expected (the Token property is null) so no errors happen there.

Now, going back to the original issue (the Malformed message), that is not related to FeedRangeCompositeContinuation, as queries do not use this class nor it is involved in the path that returns this error message.

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