Yeah, on attempting activation, I see the logs reporting activation failure.
Unreleased index found?
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Warning",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Unreleased index found.",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "schemaId": "6d262110-2306-449b-a683-7a6d62e55823",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Error",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Lifecycle start canceled due to errors at stage 2000: System.NullReferenceException: Object reference not set to an instance of an object.\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.CommitInternalAsync(IIndex index, Boolean dispose) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 118\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.AcquireAsync(Guid schemaId) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 73\n at Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain.OnActivateAsync(Guid key) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/TextIndexerGrain.cs:line 57\n at Squidex.Infrastructure.Orleans.GrainOfGuid.ActivateAsync(Guid key) in /src/src/Squidex.Infrastructure/Orleans/GrainOfGuid.cs:line 40\n at Orleans.LifecycleSubject.\u003COnStart\u003Eg__CallOnStart|7_0(Int32 stage, OrderedObserver observer, CancellationToken cancellationToken)\n at Orleans.LifecycleSubject.OnStart(CancellationToken ct)",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventId": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "id": 100450
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "stage": "2000",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "exception": "System.NullReferenceException: Object reference not set to an instance of an object.\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.CommitInternalAsync(IIndex index, Boolean dispose) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 118\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.AcquireAsync(Guid schemaId) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 73\n at Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain.OnActivateAsync(Guid key) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/TextIndexerGrain.cs:line 57\n at Squidex.Infrastructure.Orleans.GrainOfGuid.ActivateAsync(Guid key) in /src/src/Squidex.Infrastructure/Orleans/GrainOfGuid.cs:line 40\n at Orleans.LifecycleSubject.\u003COnStart\u003Eg__CallOnStart|7_0(Int32 stage, OrderedObserver observer, CancellationToken cancellationToken)\n at Orleans.LifecycleSubject.OnStart(CancellationToken ct)",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "category": "Orleans.LifecycleSubject"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Error",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Error calling grain\u0027s OnActivateAsync() method - Grain type = Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain Activation = [Activation: S127.0.0.1:11111:329059910*grn/9CEA1225/6d7a83a6@fee4c0bf #GrainType=Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain Placement=RandomPlacement State=Activating]",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventId": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "id": 100513
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "exception": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "type": "System.NullReferenceException",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Object reference not set to an instance of an object.",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "stackTrace": " at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.CommitInternalAsync(IIndex index, Boolean dispose) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 118\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.AcquireAsync(Guid schemaId) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 73\n at Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain.OnActivateAsync(Guid key) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/TextIndexerGrain.cs:line 57\n at Squidex.Infrastructure.Orleans.GrainOfGuid.ActivateAsync(Guid key) in /src/src/Squidex.Infrastructure/Orleans/GrainOfGuid.cs:line 40\n at Orleans.LifecycleSubject.\u003COnStart\u003Eg__CallOnStart|7_0(Int32 stage, OrderedObserver observer, CancellationToken cancellationToken)\n at Orleans.LifecycleSubject.OnStart(CancellationToken ct)\n at Orleans.Runtime.Catalog.CallGrainActivate(ActivationData activation, Dictionary\u00602 requestContextData)"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "category": "Orleans.Runtime.Catalog"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Warning",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Failed to InvokeActivate for [Activation: S127.0.0.1:11111:329059910*grn/9CEA1225/6d7a83a6@fee4c0bf #GrainType=Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain Placement=RandomPlacement State=FailedToActivate].",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventId": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "id": 100534
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "exception": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "type": "System.NullReferenceException",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Object reference not set to an instance of an object.",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "stackTrace": " at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.CommitInternalAsync(IIndex index, Boolean dispose) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 118\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.AcquireAsync(Guid schemaId) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 73\n at Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain.OnActivateAsync(Guid key) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/TextIndexerGrain.cs:line 57\n at Squidex.Infrastructure.Orleans.GrainOfGuid.ActivateAsync(Guid key) in /src/src/Squidex.Infrastructure/Orleans/GrainOfGuid.cs:line 40\n at Orleans.LifecycleSubject.\u003COnStart\u003Eg__CallOnStart|7_0(Int32 stage, OrderedObserver observer, CancellationToken cancellationToken)\n at Orleans.LifecycleSubject.OnStart(CancellationToken ct)\n at Orleans.Runtime.Catalog.CallGrainActivate(ActivationData activation, Dictionary\u00602 requestContextData)\n at Orleans.Runtime.Scheduler.AsyncClosureWorkItem.Execute()\n at Orleans.Runtime.Catalog.InitActivation(ActivationData activation, String grainType, String genericArguments, Dictionary\u00602 requestContextData)"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "category": "Orleans.Runtime.Catalog"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Information",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "action": "HandleEvent",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "actionId": "6827d591-67a2-4828-a227-19d0cd7b5c45",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "status": "Completed",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventId": "6827d591-67a2-4828-a227-19d0cd7b5c45",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventType": "ContentCreated",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventConsumer": "TextIndexer2",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "elapsedMs": 4,
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "logLevel": "Fatal",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "action": "OnEventAsync",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "status": "Failed",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "eventConsumer": "TextIndexer2",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "exception": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "type": "System.NullReferenceException",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "message": "Object reference not set to an instance of an object.",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "stackTrace": " at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.CommitInternalAsync(IIndex index, Boolean dispose) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 118\n at Squidex.Domain.Apps.Entities.Contents.Text.IndexManager.AcquireAsync(Guid schemaId) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/IndexManager.cs:line 73\n at Squidex.Domain.Apps.Entities.Contents.Text.TextIndexerGrain.OnActivateAsync(Guid key) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/TextIndexerGrain.cs:line 57\n at Squidex.Infrastructure.Orleans.GrainOfGuid.ActivateAsync(Guid key) in /src/src/Squidex.Infrastructure/Orleans/GrainOfGuid.cs:line 40\n at Orleans.LifecycleSubject.\u003COnStart\u003Eg__CallOnStart|7_0(Int32 stage, OrderedObserver observer, CancellationToken cancellationToken)\n at Orleans.LifecycleSubject.OnStart(CancellationToken ct)\n at Orleans.Runtime.Catalog.CallGrainActivate(ActivationData activation, Dictionary\u00602 requestContextData)\n at Orleans.Runtime.Scheduler.AsyncClosureWorkItem.Execute()\n at Orleans.Runtime.Catalog.InitActivation(ActivationData activation, String grainType, String genericArguments, Dictionary\u00602 requestContextData)\n at Orleans.Runtime.Catalog.InitActivation(ActivationData activation, String grainType, String genericArguments, Dictionary\u00602 requestContextData)\n at Orleans.Internal.OrleansTaskExtentions.\u003CToTypedTask\u003Eg__ConvertAsync|4_0[T](Task\u00601 asyncTask)\n at Squidex.Domain.Apps.Entities.Contents.Text.GrainTextIndexer.On(Envelope\u00601 event) in /src/src/Squidex.Domain.Apps.Entities/Contents/Text/GrainTextIndexer.cs:line 86\n at Squidex.Infrastructure.EventSourcing.Grains.EventConsumerGrain.DispatchConsumerAsync(Envelope\u00601 event) in /src/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs:line 247\n at Squidex.Infrastructure.EventSourcing.Grains.EventConsumerGrain.\u003C\u003Ec__DisplayClass12_0.\u003C\u003COnEventAsync\u003Eb__0\u003Ed.MoveNext() in /src/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs:line 91\n--- End of stack trace from previous location where exception was thrown ---\n at Squidex.Infrastructure.EventSourcing.Grains.EventConsumerGrain.DoAndUpdateStateAsync(Func\u00601 action, String caller) in /src/src/Squidex.Infrastructure/EventSourcing/Grains/EventConsumerGrain.cs:line 200"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "app": {
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "name": "Squidex",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "version": "4.1.0.0",
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "sessionId": "f838b25a-fe66-4a23-907c-c1493a86e52f"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT },
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT "timestamp": "2020-06-09T06:56:34Z"
2020-06-09T07:56:34.29+0100 [APP/PROC/WEB/0] OUT }