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InvalidOperationException during INatsObjStore.PutAsync #672

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uhfath opened this issue Nov 9, 2024 · 2 comments · Fixed by #675
Closed

InvalidOperationException during INatsObjStore.PutAsync #672

uhfath opened this issue Nov 9, 2024 · 2 comments · Fixed by #675

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@uhfath
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uhfath commented Nov 9, 2024 •
edited
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Observed behavior

In our main project we get aforementioned exception during upload a binary object (about 23 Mb.). The exception occurs on subsequent uploads (after first one succeeds). Each upload creates a new INatsObjContext using a previous INatsConnection (it's a singleton). The code is as simple as:

var objectStore = await _natsObjContext.GetObjectStoreAsync(_blobsCacheOptions.ObjectBucket, cancellationToken);
var objectData = await objectStore.PutAsync(blobMeta, stream, true, cancellationToken);

The exception we get is:

System.InvalidOperationException
  HResult=0x80131509
  Message=The response headers cannot be modified because the response has already started.
  Source=NATS.Client.Core
  StackTrace:
>	NATS.Client.Core.dll!NATS.Client.Core.NatsHeaders.ThrowIfReadOnly() Line 414	C#
 	NATS.Client.Core.dll!NATS.Client.Core.NatsHeaders.this[string].set(string key, Microsoft.Extensions.Primitives.StringValues value) Line 140	C#
 	NATS.Client.Core.dll!NATS.Client.Core.Internal.Telemetry.AddTraceContextHeaders.AnonymousMethod__5_0(object carrier, string fieldName, string fieldValue) Line 90	C#
 	System.Diagnostics.DiagnosticSource.dll!System.Diagnostics.LegacyPropagator.Inject(System.Diagnostics.Activity activity, object carrier, System.Diagnostics.DistributedContextPropagator.PropagatorSetterCallback setter) Line 31	C#
 	NATS.Client.Core.dll!NATS.Client.Core.Internal.Telemetry.AddTraceContextHeaders(System.Diagnostics.Activity activity, ref NATS.Client.Core.NatsHeaders headers) Line 79	C#
 	NATS.Client.Core.dll!NATS.Client.Core.NatsConnection.PublishAsync<NATS.Client.ObjectStore.Models.ObjectMetadata>(string subject, NATS.Client.ObjectStore.Models.ObjectMetadata data, NATS.Client.Core.NatsHeaders headers, string replyTo, NATS.Client.Core.INatsSerialize<NATS.Client.ObjectStore.Models.ObjectMetadata> serializer, NATS.Client.Core.NatsPubOpts opts, System.Threading.CancellationToken cancellationToken) Line 40	C#
 	NATS.Client.Core.dll!NATS.Client.Core.NatsConnection.CreateRequestSubAsync<NATS.Client.ObjectStore.Models.ObjectMetadata, NATS.Client.JetStream.Models.PubAckResponse>(string subject, NATS.Client.ObjectStore.Models.ObjectMetadata data, NATS.Client.Core.NatsHeaders headers, NATS.Client.Core.INatsSerialize<NATS.Client.ObjectStore.Models.ObjectMetadata> requestSerializer, NATS.Client.Core.INatsDeserialize<NATS.Client.JetStream.Models.PubAckResponse> replySerializer, NATS.Client.Core.NatsPubOpts requestOpts, NATS.Client.Core.NatsSubOpts replyOpts, System.Threading.CancellationToken cancellationToken) Line 23	C#
 	NATS.Client.JetStream.dll!NATS.Client.JetStream.NatsJSContext.PublishAsync<NATS.Client.ObjectStore.Models.ObjectMetadata>(string subject, NATS.Client.ObjectStore.Models.ObjectMetadata data, NATS.Client.Core.INatsSerialize<NATS.Client.ObjectStore.Models.ObjectMetadata> serializer, NATS.Client.JetStream.NatsJSPubOpts opts, NATS.Client.Core.NatsHeaders headers, System.Threading.CancellationToken cancellationToken) Line 123	C#
 	NATS.Client.ObjectStore.dll!NATS.Client.ObjectStore.NatsObjStore.PublishMeta(NATS.Client.ObjectStore.Models.ObjectMetadata meta, System.Threading.CancellationToken cancellationToken) Line 606	C#
 	NATS.Client.ObjectStore.dll!NATS.Client.ObjectStore.NatsObjStore.PutAsync(NATS.Client.ObjectStore.Models.ObjectMetadata meta, System.IO.Stream stream, bool leaveOpen, System.Threading.CancellationToken cancellationToken) Line 279	C#

The main problem is that we can't reproduce this case in a separate simple project.
I understand it's hard to diagnose in this case so I wanted to ask if there is something specific I should be looking for to create a repro?

Expected behavior

Uploading should end without exceptions.

Server and client version

Client: 2.5.3
Server: 2.10.20

Here are some logs (removed most irrelevant parts):

[
    {
        "@t": "2024-11-09T08:52:00.4003363Z",
        "@mt": "Caching a blob.",
        "@i": "e81ceeb3",
        "@l": "Debug",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "45ad88708c80ffbc",
        "@st": "2024-11-09T08:52:00.3518087Z",
        "@ps": "597f1ea1abb4908c",
        "@sk": "Internal",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "Operation": "Handle",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "ITC.AppStore.Logic.Services.BlobsCache.BlobsCacheService",
        "UserId": null,
        "UserName": null
    },
    {
        "@t": "2024-11-09T08:52:00.4046471Z",
        "@mt": "PUB {Subject} {ReplyTo}",
        "@i": "9d2be71e",
        "@l": "Verbose",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "27050fc7ad59b624",
        "@st": "2024-11-09T08:52:00.4046372Z",
        "@ps": "45ad88708c80ffbc",
        "@sk": "Producer",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "EventId": {
            "Id": 1005,
            "Name": "Protocol"
        },
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "Operation": "$JS.API publish",
        "ReplyTo": "_INBOX.LRPdxhtE7gn57Y842RjYDS.2enPB8kn0BIUVfMuWHDbQH",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "NATS.Client.Core.Commands.CommandWriter",
        "Subject": "$JS.API.STREAM.INFO.OBJ_APP-STORE-ASSETS",
        "UserId": null,
        "UserName": null,
        "messaging.client_id": "14141",
        "messaging.destination.name": "$JS.API.STREAM.INFO.OBJ_APP-STORE-ASSETS",
        "messaging.nats.message.reply_to": "_INBOX.LRPdxhtE7gn57Y842RjYDS.2enPB8kn0BIUVfMuWHDbQH",
        "messaging.operation": "publish",
        "messaging.system": "nats",
        "network.local.address": "192.168.1.3",
        "network.peer.address": "0.0.0.0",
        "network.peer.port": "4222",
        "network.protocol.name": "nats",
        "network.protocol.version": "1",
        "server.address": "0.0.0.0",
        "server.port": "4222"
    },
    {
        "@t": "2024-11-09T08:52:00.4415332Z",
        "@mt": "Uploading blob binary.",
        "@i": "3510e6e1",
        "@l": "Debug",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "45ad88708c80ffbc",
        "@st": "2024-11-09T08:52:00.3518087Z",
        "@ps": "597f1ea1abb4908c",
        "@sk": "Internal",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "NATSClientId": 14141,
        "Operation": "Handle",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "ITC.AppStore.Logic.Services.BlobsCache.BlobsCacheService",
        "UserId": null,
        "UserName": null
    },
    {
        "@t": "2024-11-09T08:52:00.4418472Z",
        "@mt": "PUB {Subject} {ReplyTo}", // removed alot of these
        "@i": "9d2be71e",
        "@l": "Verbose",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "98624746ed9eaf4e",
        "@st": "2024-11-09T08:52:00.4418407Z",
        "@ps": "45ad88708c80ffbc",
        "@sk": "Producer",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "EventId": {
            "Id": 1005,
            "Name": "Protocol"
        },
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "NATSClientId": 14141,
        "Operation": "$JS.API publish",
        "ReplyTo": "_INBOX.LRPdxhtE7gn57Y842RjYDS.XAuHLgcXANy11xlNUSXVIj",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "NATS.Client.Core.Commands.CommandWriter",
        "Subject": "$JS.API.STREAM.MSG.GET.OBJ_APP-STORE-ASSETS",
        "UserId": null,
        "UserName": null,
        "messaging.client_id": "14141",
        "messaging.destination.name": "$JS.API.STREAM.MSG.GET.OBJ_APP-STORE-ASSETS",
        "messaging.nats.message.reply_to": "_INBOX.LRPdxhtE7gn57Y842RjYDS.XAuHLgcXANy11xlNUSXVIj",
        "messaging.operation": "publish",
        "messaging.system": "nats",
        "network.local.address": "192.168.1.3",
        "network.peer.address": "0.0.0.0",
        "network.peer.port": "4222",
        "network.protocol.name": "nats",
        "network.protocol.version": "1",
        "server.address": "0.0.0.0",
        "server.port": "4222"
    },
    {
        "@t": "2024-11-09T08:52:05.2736371Z",
        "@mt": "PUB {Subject} {ReplyTo}",
        "@i": "9d2be71e",
        "@l": "Verbose",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "64de4bd8a955e184",
        "@st": "2024-11-09T08:52:05.2736243Z",
        "@ps": "45ad88708c80ffbc",
        "@sk": "Producer",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "EventId": {
            "Id": 1005,
            "Name": "Protocol"
        },
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "NATSClientId": 14141,
        "Operation": "$O.APP-STORE-ASSETS publish",
        "ReplyTo": "_INBOX.LRPdxhtE7gn57Y842RjYDS.cEXqY7hPYptxqTehJ2ucMF",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "NATS.Client.Core.Commands.CommandWriter",
        "Subject": "$O.APP-STORE-ASSETS.C.LRPdxhtE7gn57Y842RjahQ",
        "UserId": null,
        "UserName": null,
        "messaging.client_id": "14141",
        "messaging.destination.name": "$O.APP-STORE-ASSETS.C.LRPdxhtE7gn57Y842RjahQ",
        "messaging.nats.message.reply_to": "_INBOX.LRPdxhtE7gn57Y842RjYDS.cEXqY7hPYptxqTehJ2ucMF",
        "messaging.operation": "publish",
        "messaging.system": "nats",
        "network.local.address": "192.168.1.3",
        "network.peer.address": "0.0.0.0",
        "network.peer.port": "4222",
        "network.protocol.name": "nats",
        "network.protocol.version": "1",
        "server.address": "0.0.0.0",
        "server.port": "4222"
    },
    {
        "@t": "2024-11-09T08:52:29.6965943Z",
        "@mt": "End subscription {Reason}",
        "@i": "73e4dfcb",
        "@l": "Debug",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "45ad88708c80ffbc",
        "@st": "2024-11-09T08:52:00.3518087Z",
        "@ps": "597f1ea1abb4908c",
        "@sk": "Internal",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "EventId": {
            "Id": 1002,
            "Name": "Subscription"
        },
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "NATSClientId": 14141,
        "Operation": "Handle",
        "Reason": "Timeout",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "NATS.Client.Core.NatsSubBase",
        "UserId": null,
        "UserName": null
    },
    {
        "@t": "2024-11-09T08:52:41.5540831Z",
        "@mt": "An unhandled exception has occurred while executing the request.",
        "@i": "bd577466",
        "@l": "Error",
        "@x": "System.InvalidOperationException: The response headers cannot be modified because the response has already started.\r\n   at NATS.Client.Core.NatsHeaders.ThrowIfReadOnly() in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\NatsHeaders.cs:line 414\r\n   at NATS.Client.Core.NatsHeaders.set_Item(String key, StringValues value) in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\NatsHeaders.cs:line 140\r\n   at NATS.Client.Core.Internal.Telemetry.<>c.<AddTraceContextHeaders>b__5_0(Object carrier, String fieldName, String fieldValue) in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\Internal\\Telemetry.cs:line 90\r\n   at System.Diagnostics.LegacyPropagator.Inject(Activity activity, Object carrier, PropagatorSetterCallback setter)\r\n   at NATS.Client.Core.Internal.Telemetry.AddTraceContextHeaders(Activity activity, NatsHeaders& headers) in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\Internal\\Telemetry.cs:line 79\r\n   at NATS.Client.Core.NatsConnection.PublishAsync[T](String subject, T data, NatsHeaders headers, String replyTo, INatsSerialize`1 serializer, NatsPubOpts opts, CancellationToken cancellationToken) in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\NatsConnection.Publish.cs:line 40\r\n   at NATS.Client.Core.NatsConnection.CreateRequestSubAsync[TRequest,TReply](String subject, TRequest data, NatsHeaders headers, INatsSerialize`1 requestSerializer, INatsDeserialize`1 replySerializer, NatsPubOpts requestOpts, NatsSubOpts replyOpts, CancellationToken cancellationToken) in H:\\Projects\\nats.net\\src\\NATS.Client.Core\\NatsConnection.RequestSub.cs:line 23\r\n   at NATS.Client.JetStream.NatsJSContext.PublishAsync[T](String subject, T data, INatsSerialize`1 serializer, NatsJSPubOpts opts, NatsHeaders headers, CancellationToken cancellationToken) in H:\\Projects\\nats.net\\src\\NATS.Client.JetStream\\NatsJSContext.cs:line 123\r\n   at NATS.Client.ObjectStore.NatsObjStore.PublishMeta(ObjectMetadata meta, CancellationToken cancellationToken) in H:\\Projects\\nats.net\\src\\NATS.Client.ObjectStore\\NatsObjStore.cs:line 606\r\n   at NATS.Client.ObjectStore.NatsObjStore.PutAsync(ObjectMetadata meta, Stream stream, Boolean leaveOpen, CancellationToken cancellationToken) in H:\\Projects\\nats.net\\src\\NATS.Client.ObjectStore\\NatsObjStore.cs:line 279\r\n   at ITC.AppStore.Logic.Services.BlobsCache.BlobsCacheService.CacheBlobAsync(Guid blobId, CancellationToken cancellationToken) in H:\\Projects\\ITC\\ITC.AppStore\\applications\\ITC.AppStore.Logic\\Services\\BlobsCache\\BlobsCacheService.cs:line 85",
        "@tr": "e17438ca9e786d3209b9c2f4750313c7",
        "@sp": "597f1ea1abb4908c",
        "@st": "2024-11-09T08:52:00.3442235Z",
        "@sk": "Server",
        "AgentId": null,
        "Application": "ITC.AppStore.API",
        "Assembly": "ITC.AppStore",
        "AssemblyVersion": "2024.4.0.0",
        "BlobExternalId": "HN48N94H90WMNlq4g1wIw",
        "BlobId": "ab68e4f3-35f2-4f92-b126-d6715ea4b0e1",
        "CachedBlobId": "0ef96986-7fba-464f-8759-5394e9fe5aaa",
        "CollectionExternalId": "a3abf43b-2cf6-4afd-aa20-8b4f1c30e21c",
        "ConnectionId": "0HN80JEI5D3PS",
        "ConnectionRemoteIp": "::1",
        "Environment": "Development",
        "EventId": {
            "Id": 1,
            "Name": "UnhandledException"
        },
        "ExceptionDetail": {
            "HResult": -2146233079,
            "Message": "The response headers cannot be modified because the response has already started.",
            "Source": "NATS.Client.Core",
            "TargetSite": "Void ThrowIfReadOnly()",
            "Type": "System.InvalidOperationException"
        },
        "HostExternalId": null,
        "HostName": null,
        "LogicRequest": "ITC.AppStore.Logic.Features.UserTasks.Commands.CreateUserTaskCommand",
        "NATSClientId": 14141,
        "Operation": "Microsoft.AspNetCore.Hosting.HttpRequestIn",
        "RequestId": "0HN80JEI5D3PS:00000002",
        "RequestPath": "/userTasks",
        "SourceContext": "Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware",
        "UserId": null,
        "UserName": null
    },
]

Not sure if it's relevant but in my case server is accessed through a slow VPN connection. Uploading takes about 40 sec. or so.
@uhfath
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uhfath commented Nov 9, 2024 •
edited
Loading

I believe the issue is in this method:

nats.net/src/NATS.Client.ObjectStore/NatsObjStore.cs

Line 604 in 04b2dc1

private async ValueTask PublishMeta(ObjectMetadata meta, CancellationToken cancellationToken)

Specifically:

nats.net/src/NATS.Client.ObjectStore/NatsObjStore.cs

Line 606 in 04b2dc1

var ack = await JetStreamContext.PublishAsync(GetMetaSubject(meta.Name), meta, serializer: NatsObjJsonSerializer<ObjectMetadata>.Default, headers: NatsRollupHeaders, cancellationToken: cancellationToken);

It uses a statically defined NatsRollupHeaders:

nats.net/src/NATS.Client.ObjectStore/NatsObjStore.cs

Line 28 in 04b2dc1

private static readonly NatsHeaders NatsRollupHeaders = new() { { NatsRollup, RollupSubject } };

Which is when passed to NatsConnection.PublishAsync through series of calls, starting with:

nats.net/src/NATS.Client.ObjectStore/NatsObjStore.cs

Line 604 in 04b2dc1

private async ValueTask PublishMeta(ObjectMetadata meta, CancellationToken cancellationToken)

Is marked as read only here:

nats.net/src/NATS.Client.Core/NatsConnection.Publish.cs

Line 44 in 04b2dc1

headers?.SetReadOnly();

And on subsequent calls it is reused again but already as read only. Thus we get an exception here:

nats.net/src/NATS.Client.Core/NatsHeaders.cs

Line 410 in 04b2dc1

private void ThrowIfReadOnly()

Am I correct in my assumptions?
If so a simple fix could be just removing static from NatsRollupHeaders definition since it is not used anywhere else.

@uhfath
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uhfath commented Nov 9, 2024

Here is a repro project.
https://github.com/uhfath/TestNATSObjectStore

@uhfath uhfath mentioned this issue Nov 11, 2024
Merged
@mtmk mtmk closed this as completed in #675 Nov 13, 2024
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@uhfath