hangfire enqueued jobs not processing

Hangfire supports all the major logging frameworks and will log the complete job execution information to the logging destination configured for the application. C# .NET Hangfire uses workers to handle the tasks, you define the number of workers you want and they share the queue, running the tasks on a first come first serve basis. I quite like Hangfire and don't want to replace it, but having to restart the whole stack just for that won't be feasible in the long-term. Finally, I have modified the code in the SendMail action method in EmailController as shown below to demonstrate the execution pattern for each type of background job available in Hangfire in ASP.NET Core. app.UseHangfireServer(new BackgroundJobServerOptions() { Queues = new[] { "emails_queue" }, WorkerCount = 20 }); I'm closing and locking this issue now, because almost any kind of problem in background processing will lead to the symptom "Jobs are enqueued but not processing", and more specified details required. Now that all the required NuGet packages for Hangfire has been installed we will not configure Hangfire in Startup.cs file. Now that we have integrated Hangfire in ASP.NET Core application lets run the application & check the dashboard for Hangfire. Christian Science Monitor: a socially acceptable source among conservative Christians? Another great thing that Hangfire provides is a Dashboard where you can monitor the whole activity in the Hangfire Server, such as, Enqueued Jobs, Processing Jobs, Retries, etc. Christian Science Monitor: a socially acceptable source among conservative Christians? ---> MySqlConnector.MySqlException (0x80004005): The Command Timeout expired before the operation completed.\n at MySqlConnector.Protocol.Serialization.BufferedByteReader.ReadBytesAsync(IByteHandler byteHandler, ArraySegment1 buffer, Int32 totalBytesToRead, IOBehavior ioBehavior) in //src/MySqlConnector/Protocol/Serialization/BufferedByteReader.cs:line 36\n at MySqlConnector.Protocol.Serialization.ProtocolUtility.ReadPacketAsync(BufferedByteReader bufferedByteReader, IByteHandler byteHandler, Func1 getNextSequenceNumber, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in /_/src/MySqlConnector/Protocol/Serialization/ProtocolUtility.cs:line 408\n at MySqlConnector.Protocol.Serialization.ProtocolUtility.DoReadPayloadAsync(BufferedByteReader bufferedByteReader, IByteHandler byteHandler, Func1 getNextSequenceNumber, ArraySegmentHolder1 previousPayloads, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in /_/src/MySqlConnector/Protocol/Serialization/ProtocolUtility.cs:line 466\n at MySqlConnector.Protocol.Serialization.StandardPayloadHandler.ReadPayloadAsync(ArraySegmentHolder1 cache, ProtocolErrorBehavior protocolErrorBehavior, IOBehavior ioBehavior) in //src/MySqlConnector/Protocol/Serialization/StandardPayloadHandler.cs:line 42\n at MySqlConnector.Core.ServerSession.ReceiveReplyAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in //src/MySqlConnector/Core/ServerSession.cs:line 765\n--- End of stack trace from previous location where exception was thrown ---\n at MySqlConnector.Core.ServerSession.ReceiveReplyAsyncAwaited(ValueTask1 task) in /_/src/MySqlConnector/Core/ServerSession.cs:line 793\n at MySqlConnector.Core.ResultSet.ReadResultSetHeaderAsync(IOBehavior ioBehavior) in /_/src/MySqlConnector/Core/ResultSet.cs:line 49\n at MySqlConnector.MySqlDataReader.ActivateResultSet() in /_/src/MySqlConnector/MySqlDataReader.cs:line 115\n at MySqlConnector.MySqlDataReader.CreateAsync(CommandListPosition commandListPosition, ICommandPayloadCreator payloadCreator, IDictionary2 cachedProcedures, IMySqlCommand command, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in //src/MySqlConnector/MySqlDataReader.cs:line 422\n at MySqlConnector.Core.CommandExecutor.ExecuteReaderAsync(IReadOnlyList1 commands, ICommandPayloadCreator payloadCreator, CommandBehavior behavior, IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/Core/CommandExecutor.cs:line 61\n at MySqlConnector.MySqlCommand.ExecuteNonQueryAsync(IOBehavior ioBehavior, CancellationToken cancellationToken) in /_/src/MySqlConnector/MySqlCommand.cs:line 263\n at MySqlConnector.MySqlCommand.ExecuteNonQuery() in /_/src/MySqlConnector/MySqlCommand.cs:line 100\n at Dapper.SqlMapper.ExecuteCommand(IDbConnection cnn, CommandDefinition& command, Action2 paramReader) in C:\projects\dapper\Dapper\SqlMapper.cs:line 2827\n at Dapper.SqlMapper.ExecuteImpl(IDbConnection cnn, CommandDefinition& command) in C:\projects\dapper\Dapper\SqlMapper.cs:line 570\n at Hangfire.MySql.JobQueue.MySqlJobQueue.Dequeue(String[] queues, CancellationToken cancellationToken)\n at Hangfire.MySql.MySqlStorageConnection.FetchNextJob(String[] queues, CancellationToken cancellationToken)\n at Hangfire.Server.Worker.Execute(BackgroundProcessContext context)\n at Hangfire.Server.AutomaticRetryProcess.Execute(BackgroundProcessContext context)", The Server does not depend on ASP.NET and can be started anywhere, from a console application to Microsoft Azure Worker Role. You can also use MSSQL, PostgreSQL, MySQL and other database engines and host it in a console app. @meriturva there are a lot of problems with the package you are using too, instead of downgrading try switching to the new Hangfire.InMemory package instead, it's already on NuGet. I have a simple MVC5 application + Hangfire 1.2.0. Implementation Implementing Hangfire proved to be easy. Hangfire database is used to for storing jobs information. Sign in Hangfire.SqlServer 1.7.7, The problem is only when I deploy it on azure app service linux, not on my local machine. Microservices Architecture ASP.NET Core 5 https://github.com/HangfireIO/Hangfire/blob/master/CONTRIBUTING.md. Microsoft Identity By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Has natural gas "reduced carbon emissions from power generation by 38%" in Ohio? An easy way to perform background processing in .NET and .NET Core applications. Already on GitHub? Hangfire in ASP.NET Core application can be simple or distributed i.e. The text was updated successfully, but these errors were encountered: Same here after update to hangfire version 1.7.17. The fix for this will be in our nightly build tonight. Hangfire provides reliability of background jobs by ensuring that jobs are executed at least once based on their scheduling criteria Jobs got enqueued but never picked up to be processed. services.AddHangfire(config => { config.UseStorage( new MySqlStorage("***connection string***", new MySqlStorageOptions { PrepareSchemaIfNecessary = false })); }); app.UseHangfireServer( new BackgroundJobServerOptions { WorkerCount = 1 }); { "@t": "2021-03-29T12:56:43.0892847Z", "@mt": "{State:l}", "@r": [ "Error occurred during execution of 'Worker #8a90b7c0' process. Restarting server helps, but after some time jobs get stuck again. Continuations are executed when its parent job has been finished. Job filters allow you to add custom features to the background processing in a way similar to ASP.NET MVC action filters. Just an update, we migrated our code base over to core 3.1 as well as the app service runtime and this issue has not occurred since. Haven't had to restart the server in a week. Hangfire.BackgroundJob.Schedule is used to create the Delayed background task. Background checks for UK/US government research jobs, and mental health difficulties. What does "you better" mean in this context of conversation? File Upload If its production environment and clients are waiting for enqueued job, you can try restart server and it might start processing the jobs but issue still has to be fixed. There might be some web requests which take lots of time for execution like generating a report on successful insertion or sending email/SMS as acknowledgment for the transaction completion. To begin processing multiple queues, you need to update your BackgroundJobServer configuration. 2.Renamed the Hangfire schema from "REPORT-Hangfire" to "ReportHangfire" to remove hyphen as there's a bug when schema names include hyphens. But when I switch to Local IIS the queued jobs never get processed (executed) and stay stuck in the queue. Jobs All the jobs stored in the database will be visible here under different status as Scheduled, Enqueued, Processing, Succeeded, Failed, Deleted & Awaiting. Most jobs are stuck in the enqueued state or fail to transition to successful state upon work completion. AddHangfire This adds Hangfire in ASP.NET Core to the dependency injection container and takes an Action delegate using which we have set the connection string for SQL Server database to use SQL Server database as the storage for Hangfire Implementation. Hangfire.Throttling provides the following primitives, all of them are implemented as regular state changing filters that run when a worker is starting or completing a background job. Powered by Discourse, best viewed with JavaScript enabled. ], "@l": "Error", "@x": "MySqlConnector.MySqlException (0x80004005): The Command Timeout expired before the operation completed. Recurring Jobs List of all the jobs which have been scheduled as recurring jobs can be seen. you can configure multiple (parent-continuation job) background jobs that can be linked together based on completion of a parent job. Hangfire An easy way to perform background processing in .NET and .NET Core applications. To learn more, see our tips on writing great answers. Using Hangfire.AspNetCore 1.7.10 and Hangfire.SqlServer 1.7.10. Poisson regression with constraint on the coefficients of two variables be the same, Comprehensive Functional-Group-Priority Table for IUPAC Nomenclature. No error on logs, just stop executing enqueue jobs (also recurring jobs) two times in 10 days. Background jobs are regular static or instance .NET methods with regular arguments no base class or interface implementation required. More than one background job can be linked together to form batch jobs together so that they all are executed together at the same time. Hangfire.Dashboard.Authorization 2.0.0 Security It happens randomly. Concurrency Limiters Mutexes - allow only a single background job to be running concurrently. Storing the information of the jobs ensures that jobs are executed as per defined types & also jobs are retried if any exception occurs during the execution of the job. Why or When to Schedule background jobs in .NET Core? You are free to throw unhandled exceptions or terminate your application background jobs will be re-tried automatically. EmailController into which we will inject IEmailService to call method SendEmail from service in controller action method SendEmail. After some digging in the official doc, I saw there were multiple MySql connectors. Hangfire.AspNetCore v1.6.29 After running the application navigate to URL /Email this should call SendEmail to get action method in EmailController and the below screen should be displayed. They simply sit in the queued jobs tab. You can safely restart your application and use Hangfire with ASP.NET without worrying about application pool recycles. Fire-and-Forget Jobs Fire-and-forget jobs are executed only once and almost immediately after creation. ASP.NET Errors Dropbox is a free service that lets you bring your photos, docs, and videos anywhere and share them easily. Hangfire Quick Start BackgroundJob.Enqueue ( () => Console.WriteLine ("Fire-and-forget")); Hangfire HostingEnvironment.QueueBackgroundWorkItem ( here) void C# After that enter name for the project\solution as ProCodeGuide.Samples.Hangfire, provide a path of the project where it will be saved on the local disk & click on create button as shown below, 5. Backed by persistent storage. I think its relates to azure servicebus. ASP.NET Core 6 Hangfire jobs get stuck in Queues and never get processed when deployed in Local IIS Ask Question Asked 8 years, 1 month ago Modified 9 months ago Viewed 5k times 0 I am having a weird issue here. Though the user has been unblocked before the completion of long-running activities completion of these activities is also important as those are part of request business logic. App has been upgraded to core 3.1. Which Hangfire Version are you using? Hangfire documentation is licensed under the. Server is not executing jobs after 3 days and restart server fix problem. No log error at all! This allows you to execute background jobs concurrently. Granting the following to the database user the web application was connecting with addressed the issue: Found an answerI posted to the same topic I created in Hangfire forum: http://discuss.hangfire.io/t/hangfire-does-not-process-jobs-when-deployed-in-iis-7-5/386/2. Hangfire is open source software and is completely free for commercial use. For example, when we are using Hangfire.SqlServer the order is defined by alphanumeric order and array index is ignored. Built-in web interface allow you to see the whole picture of your background processing, as well as observe the state of each background job. What strikes me is that there is an awful lot going on in this method and it could be made significantly simpler if: If you were to perform this refactoring I would bet a not insignificant number of kittens that this problem would go away. My guess is that is has something to do with either. .NET Framework msmq, queues marcselman June 8, 2015, 9:33pm #1 Hi, I just setup MSMQ using a private queue (private$\hangfire-default). SELECT, INSERT, UPDATE, DELETE on the Hangfire schema in the application database. I don't see any worker threads, and without the logs it's hard to say what happened. Sign in Your email address will not be published. Actually, we are on memory storage. I had saved the logs back then, when I knew for sure that the process had stalled in the same hour. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Hangfire is a simple to use an open-source library that makes the implementation of background job easy in .NET Core & .NET Applications. Is it realistic for an actor to act in four movies in six months? Then all of a sudden jobs are en-queued and not picked up for processing. I checked the client that enqueues the jobs now and figured it out where the problem is: , . Any help would be greatly appreciated @odinserj, See simple diagram https://app.lucidchart.com/invitations/accept/0d6b7469-6243-4fa5-9174-f573cb6ae3e9. Can a county without an HOA or Covenants stop people from storing campers or building sheds? The problem still exist. Here how I configured the smtp service: If I run the hangfire dashboard I see the jobs enqued. Strange fan/light switch wiring - what in the world am I looking at. Will all turbine blades stop moving in the event of a emergency shutdown. Asking for help, clarification, or responding to other answers. @odinserj safe yourself some time reading all this :). Please also send me your configuration code related to Hangfire and the output of the INFO command issued to Redis to also understand your Redis configuration. Everything works perfectly all other times. Hangfire simplifies tasks to handle background jobs in ASP.NET Core. "State": "Error occurred during execution of 'Worker #8a90b7c0' process. I think I cannot debug it because is a background job or similar, @TomRedfern, yes, it works correctly outside hangfire. Hangfire Ace is a set of extension packages that bring advanced features for background job processing in business applications. Problem After 10 days of leaving our webserver running (no restarts), enqueued jobs no longer process. .NET Core 6 I wonder if anyone else has found a better workaround, or even a fix?
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